CN105880870B - A kind of high-tenacity heat-resistant steel electrode - Google Patents
A kind of high-tenacity heat-resistant steel electrode Download PDFInfo
- Publication number
- CN105880870B CN105880870B CN201610345929.7A CN201610345929A CN105880870B CN 105880870 B CN105880870 B CN 105880870B CN 201610345929 A CN201610345929 A CN 201610345929A CN 105880870 B CN105880870 B CN 105880870B
- Authority
- CN
- China
- Prior art keywords
- dry powder
- resistant steel
- coating
- steel electrode
- iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/3073—Fe as the principal constituent with Mn as next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/365—Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
Abstract
The invention provides a kind of high-tenacity heat-resistant steel electrode, including core wire and the coating on core wire surface is wrapped, coating is mixed by dry powder and bonding agent, and it is as follows to account for dry powder total weight percent for dry powder formulation and content in coating：Marble 40~48%, fluorite 17~25%, quartz 3~6%, natural rutile 2~5%, alundum (Al2O3) 0.3~1.0%, crome metal 3.5~5%, molybdenum-iron 2.5~3.0%, 45# is atomized ferrosilicon 5~8%, electrolytic manganese 2.0~3.5%, magnesium alloy 0.5~1.0%, ferro-aluminum 0.6~1.3%, soda ash 0.5~1.5%, graphite 0.1~0.3%, iron powder 2~10%；The bonding agent addition is the 18~25% of dry powder gross weight.The high-tenacity heat-resistant steel electrode uses CaO CaF2‑SiO2‑Al2O3New slag system, and quartz is substituted with a small amount of rutile, so as to form short slag, usability of electrode energy is improved, arc stability, small, the de- slag that splashes are excellent, can carry out all-position welding；And welding rod provided by the invention has good low-temperature impact toughness (30 DEG C of impact value >=180J), and its low-temperature impact value stabilization.
Description
Technical field
The invention belongs to welding material manufacturing technology field, and in particular to a kind of high-tenacity heat-resistant steel electrode, it is suitable for 1~
1.25%Cr-0.5%Mo Mayaris are used.
Background technology
1~1.25%Cr-0.5%Mo Mayaris have in fields such as station boiler, pressure vessel, petrochemical industries
Wide application market, as above-mentioned industry device develops to maximization, high parameter direction, to heat-resisting steel material and its supporting
Heat resisting steel wlding it is also proposed higher requirement, in addition to being distinctly claimed to room temperature and mechanical behavior under high temperature, increasingly pay attention to
Cryogenic mechanics performance, particularly low-temperature impact toughness, to meet the installation under adverse circumstances and requirement.In the market maturation
Heat resistant steel electrode can not meet that pressure-bearing is set in the prevalence of the problem of low-temperature impact toughness is low or low-temperature impact work fluctuation is serious
Standby more stringent requirement.
At present, the patent of pertinence heat resistant steel electrode is as follows：
(1) ultralow-hydrogen low high tenacity low-carbon adds tungsten heat resistant steel electrode (CN103240542A), and welding rod disclosed in this patent is applicable
In the welding of 12Cr1MoV steel, its performance meets the requirement of heat resisting steel high temperature endurance performance and room temperature impact toughness, but does not relate to
And low-temperature impact toughness.
(2) a kind of overcritical new ferrite heat resistant steel electrode (CN103008917A), the welding rod that this patent is related to are applicable
In the welding of T/P92 heat resisting steel, Resistance of Weld Metal room temperature impact work(is tested, but is not directed to low-temperature impact toughness.
(3) a kind of heat resistant steel electrode and application method (CN101342650A) for being resistant to annealing normalized treatment, this patent are public
The welding rod opened is applied to the welding of the heat-resisting steel materials such as 15CrMo and 14Cr1Mo, and the patent pertains only to the intensity of weld metal
Index, not On Impact Toughness studied.
(4) a kind of low-intensity high-tenacity heat-resistant steel electrode (CN103878506A), the welding rod weld metal that this patent is related to
Although reaching 200J in -20 DEG C of low-temperature impact works, contain about 2% ferrotianium in electrode coating, this will the transition into weld metal
A small amount of Ti elements, the unstability of low-temperature impact toughness is exacerbated, cause the fluctuation of weld metal low-temperature impact toughness serious；This
Outside, 1~3% rare earth ferrosilicon is contained in this electrode coating, seriously adds the production cost of welding rod.Most of all, this welding rod
Weld metal plasticity and toughness are improved by reducing intensity, can not meet to advise more than 550MPa on tensile strength in national standard
With good low-temperature flexibility while determining.
(5) a kind of overcritical heat resistant steel electrode and its production method (CN103737199A), heat resisting steel disclosed in this patent
Welding rod is related to room temperature impact toughness, and under the conditions of 20 DEG C, weld metal ballistic work average value is about 50J, but is not directed to low
Warm ballistic work.
(6) the overcritical ferritic heat-resistant steel welding rod (CN104117788A) of a kind of low hydrogen type, it is related in this patent heat-resisting
Steel electrode improves the room temperature impact toughness of heat resistant steel electrode by adding rare earth element, but is not directed to low-temperature impact toughness.
(7) a kind of high-ductility alloy series heat-resistant steel welding rod (CN104014949A), the welding rod that this patent is related to pass through optimization
The methods of slag system and addition rare earth, improves the room temperature impact toughness of heat resistant steel electrode, but is not directed to low-temperature impact toughness.
(8) a kind of heat resistant steel electrode (CN103264234A) with low-temperature impact toughness, the heat resisting steel that this patent is related to
Welding rod is applied to the welding of 2.25Cr-1Mo heat resisting steel, and welding rod is by the core wire from impurity contents such as low-sulfur, phosphorus and with ferrotianium
Strong deoxidation is carried out, so that weld metal is more than 130J in -30 DEG C of low-temperature impact work, but the addition of ferrotianium increase weld seam is golden
The probability of thick pro-eutectoid ferrite or ferrite net is formed in category, deteriorates heat resistant steel electrode removability of slag energy, aggravation weld seam gold
Belong to the fluctuation of low-temperature impact toughness, cause its cryogenic mechanics performance unstable.
The content of the invention
The purpose of the present invention is to overcome the problem of existing heat resistant steel electrode low-temperature impact work is relatively low and impact value is unstable.
Therefore, the invention provides a kind of high-tenacity heat-resistant steel electrode, including core wire and the coating on core wire surface is wrapped,
The coating is mixed by dry powder and bonding agent, and the composition of dry powder and content account for the percentage of dry powder gross weight in the coating
It is as follows：Marble：40~48%, fluorite：17~25%, quartz：3~6%, natural rutile：2~5%, alundum (Al2O3)：
0.3~1.0%, crome metal：3.5~5%, molybdenum-iron：2.5~3.0%, 45# are atomized ferrosilicon：5~8%, electrolytic manganese：2.0~
3.5%, magnesium alloy：0.5~1.0%, ferro-aluminum：0.6~1.3%, soda ash：0.5~1.5%, graphite：0.1~0.3%, iron
Powder：2~10%；The bonding agent is counted using dry powder gross weight as 100%, and its addition is the 18~25% of dry powder gross weight.
Further, above-mentioned coating quality accounts for the 28%~30% of welding rod gross mass.
Further, above-mentioned bonding agent is the pure sodium silicate of high mould, and the modulus of the high pure sodium silicate of mould is 3.0~3.2.
Further, above-mentioned core wire is low carbon steel welding core H08E, and contained element and each element are in core wire in the core wire
Mass percent is：C≤0.10%, Mn：0.35~0.60%, Si≤0.03%, Cr≤0.20%, Ni≤0.30%, Cu≤
0.20%, S≤0.020%, P≤0.020%, surplus Fe.
Further, Mg and Al mass fraction respectively accounts for 50% in above-mentioned magnesium alloy, Al mass percent in ferro-aluminum
For 50%.
Further, Al gross mass accounts for the 0.7~0.9% of coating dry powder gross mass in above-mentioned ferro-aluminum and magnesium alloy.
A kind of preferable embodiment, the composition of dry powder and content account for the percentage of dry powder gross weight such as in above-mentioned coating
Under：Marble：40%, fluorite：21%, quartz：3%, natural rutile：5%, alundum (Al2O3)：1.0%, crome metal：
3.5%, molybdenum-iron：2.5%, 45# are atomized ferrosilicon：8%, electrolytic manganese：3.5%, magnesium alloy：0.7%, ferro-aluminum：0.7%, soda ash：
0.8%, graphite：0.3%, iron powder：10%.
A kind of preferable embodiment, the composition of dry powder and content account for the percentage of dry powder gross weight such as in above-mentioned coating
Under：Marble：45%, fluorite：17%, quartz：5%, natural rutile：4%, alundum (Al2O3)：0.8%, crome metal：5%,
Molybdenum-iron：2.8%, 45# are atomized ferrosilicon：6%, electrolytic manganese：3.2%, magnesium alloy：1.0%, ferro-aluminum：0.6%, soda ash：1.5%,
Graphite：0.1%, iron powder：8%.
A kind of preferable embodiment, the composition of dry powder and content account for the percentage of dry powder gross weight such as in above-mentioned coating
Under：Marble：48%, fluorite：25%, quartz：6%, natural rutile：2%, alundum (Al2O3)：0.3%, crome metal：
4.2%, molybdenum-iron：3.0%, 45# are atomized ferrosilicon：5%, electrolytic manganese：2.0%, magnesium alloy：0.5%, ferro-aluminum：1.3%, soda ash：
0.5%, graphite：0.2%, iron powder：2%.
The design principle of high-tenacity heat-resistant steel electrode Chinese medicine skin formula of the present invention is as follows：
Marmorean main function is slag making, gas making, desulfurization, dephosphorization, improves slag basicity, increase slag surface tension force and
Viscosity, adjust the fusing point of slag；When marble addition is less than 40%, the slag covering of formation is not complete, and slag fusing point is relatively low,
Welding rod easily glues test plate (panel) and short-circuit current interruption；Coating fusing point is high when its addition is more than 48%, and the coating sleeve of formation is too deep, easily
Blow-out, the increase of molten iron viscosity are poor into deformation.
The main function of fluorite is slag making, shoddye and dehydrogenation effect, can adjust the physicochemical properties such as fusing point and the viscosity of slag,
Activation is played to molten bath；When the addition of fluorite is less than 17%, molten iron viscosity is big, easy slag inclusion, the expansion of deposited metal
Scattered hydrogen content is also higher；When its addition is more than 25%, slag trickling is serious, and electric arc is extremely unstable and easy current interruption.
Quartz is used as slag former, can improve arc voltage, refines molten drop；When quartzy addition is less than 3%, slag flowing
Property be deteriorated and cover incomplete, appearance of weld is deteriorated, and it is difficult to take off slag；When its addition is more than 6%, slag is in glass shelly, takes off slag
It is difficult.
The main function of rutile is slag making, stabilising arc, the physical property for adjusting slag, improves appearance of weld；Rutile adds
When entering amount less than 2%, it is difficult to realize all-position welding；When its addition is more than 5%, easily forms acidic oxide and be mingled with and make
Into weld seam oxygenation, deteriorate mechanical property.
Alundum (Al2O3) can adjust slag fusing point and viscosity as slag former；When alundum (Al2O3) addition is less than 0.3%
DeGrain, its addition dramatically increase coating fusing point when being more than 1.0%, arc stability is deteriorated, increase of splashing.
Crome metal and molybdenum-iron are as alloying constituent, to the necessary alloying elements cr of weld metal transition, Mo.
45# is atomized ferrosilicon as deoxidier and alloying constituent, can accelerate welding rod burn-off rate, improve slag wetting and spreading energy
Power；Deoxidation deficiency when 45# ferrosilicon addition is less than 5%, weld properties are low, and convexity is larger, and shaping is deteriorated；It is added
When amount is more than 8%, the silicon addition content in weld seam is higher, causes weld metal intensity to raise and plasticity, toughness decline.
Electrolytic manganese can play a part of desulfurization as deoxidier and alloying constituent；Electrolytic manganese is added in coating to be less than
When 2.0%, the Mn contents in weld metal are relatively low, form thick pro-eutectoid ferrite, poor mechanical property；Its addition is more than
When 3.5%, weld fumes increases, and the content of Mn elements is higher in weld seam, although can make the increase of weld metal intensity, its plasticity
Then decreased with toughness.
Magnesium alloy and ferro-aluminum are as strong deoxidier, for purifying weld metal, reduce weld metal oxygen content, while with
Alundum (Al2O3) collective effect is to weld metal transition minor-alloying element Al, with Al2O3Form as equiax crystal crystal grain thinning.
Soda ash is used for stabilising arc, improves welding rod extrusion performance；Unobvious are acted on when soda ash addition is less than 0.5% in coating,
Weld fumes increase when its addition is more than 1.5%.
Graphite is used for stabilising arc, can improve coating electric conductivity, increases blow force of arc；Graphite addition be less than 0.1% when without
Positive effect, weld metal carburetting is serious when its addition is more than 0.3%, causes mechanical property to reduce.
Beneficial effects of the present invention：
(1) this high-tenacity heat-resistant steel electrode provided by the invention uses CaO-CaF2-SiO2-Al2O3New slag system, and
Quartz is substituted with a small amount of rutile, so as to form short slag, improves usability of electrode energy, arc stability, small, the de- slag that splashes are excellent
It is good, all-position welding can be carried out.
(2) this high-tenacity heat-resistant steel electrode provided by the invention is using the relatively low H08E core wires of sulphur, phosphorus content, with coating
Mode transition alloy elements into weld seam, the welding rod have good low-temperature impact toughness, the low-temperature impact under the conditions of -30 DEG C
Value stabilization is in more than 180J.
(3) this high-tenacity heat-resistant steel electrode provided by the invention is used for 1~1.25%Cr-0.5%Mo low-alloy refractories
The all-position welding of steel, solve existing heat resistant steel electrode processing performance and mechanical property, high temperature and room-temperature mechanical property with it is low
Warm mechanical property can not be taken into account, and particularly low-temperature impact work is relatively low and the problem of impact value is unstable.
(4) this high-tenacity heat-resistant steel electrode provided by the invention adds Al simultaneously in coating2O3, Mg and Al, addition
On the one hand Mg and Al plays a part of strong deoxidation purification weld metal, on the other hand the micro Al of transition into weld metal, and
With Al2O3Form play a part of equiax crystal so as to crystal grain thinning, make welding rod that there is excellent mechanical property, it is particularly excellent
Good and stable low-temperature impact toughness.
Brief description of the drawings
Fig. 1 be embodiment 1 high-tenacity heat-resistant steel electrode low-temperature impact test after fracture surface of sample 5mm Resolution Scanning Electrons
Microscope figure.
Fig. 2 be embodiment 1 high-tenacity heat-resistant steel electrode low-temperature impact test after 20 μm of resolution scan electricity of fracture surface of sample
Sub- microscope figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
High-toughness thermo-resisting steel electrode coating dry powder formulation and its percentage by weight are as shown in table 1 in embodiment, are added
Bonding agent is as shown in table 2.Wherein, the percentage by weight of core wire and coating uses the ratio of wlding industry universal, and core wire accounts for welding rod
The 70~72% of gross weight, coating account for the 28~30% of welding rod gross weight, and welding rod gross weight is accounted for from core wire in the present embodiment
70%, coating accounts for the 30% of welding rod gross weight.Preferably, the bonding agent is the pure sodium silicate of high mould, the high pure sodium water glass of mould
The modulus of glass is 3.0~3.2, and the pure sodium silicate viscosity is high, can reduce the mixing time of coating dry powder, coating after welding rod extrusion
Low temperature intensity is high, is unlikely to deform, and can reduce electrode coating and break head and welding rod bonding, improve welding rod yield rate；The magnesium alloy
Middle Mg and Al mass fraction respectively account for 50%, and Al mass percent is about 50% in ferro-aluminum；And Al in ferro-aluminum and magnesium alloy
Gross mass account for the 0.7~0.9% of coating dry powder gross mass；Ferro-aluminum and magnesium alloy strengthen deoxidizing purification weld seam gold except playing
Category is outer, and Mg can promote a small amount of Al element transitions to play a part of crystal grain thinning into weld metal with Al collective effects.
Table 1：Coating dry powder embodiment composition proportion (wt.%)
| Dry powder forms | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Marble | 40 | 45 | 48 |
| Fluorite | 21 | 17 | 25 |
| Quartz | 3 | 5 | 6 |
| Natural rutile | 5 | 4 | 2 |
| Alundum (Al2O3) | 1.0 | 0.8 | 0.3 |
| Crome metal | 3.5 | 5 | 4.2 |
| Molybdenum-iron | 2.5 | 2.8 | 3.0 |
| 45# is atomized ferrosilicon | 8 | 6 | 5 |
| Electrolytic manganese | 3.5 | 3.2 | 2.0 |
| Magnesium alloy | 0.7 | 1.0 | 0.5 |
| Ferro-aluminum | 0.7 | 0.6 | 1.3 |
| Soda ash | 0.8 | 1.5 | 0.5 |
| Graphite | 0.3 | 0.1 | 0.2 |
| Iron powder | 10 | 8 | 2 |
Table 2：Bonding agent embodiment adding proportion (wt.%)
| Bonding agent | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| The high pure sodium silicate of mould | 18 | 22 | 25 |
Heat resisting steel test plate (panel) is welded using high-tenacity heat-resistant steel electrode prepared by above-described embodiment 1~3, then according to country
Standard regulation carries out 690 DEG C/1h annealings to test plate (panel), and the chemical composition and mechanical property of weld metal after heat treatment are carried out
Test, as a result as shown in Table 3 and Table 4.
Table 3：Embodiment deposited metal composition (wt.%)
Table 4：Embodiment deposited metal mechanical property
Deposited metal composition test result according to table 3, high-tenacity heat-resistant steel electrode deposition of the invention gold
Category chemical composition complies fully with the regulation of concerned countries standard.
Deposited metal mechanical experimental results according to table 4, high-tenacity heat-resistant steel electrode deposition of the invention gold
The mechanical properties such as category tensile strength, yield strength and elongation percentage comply fully with the regulation of concerned countries standard, deposited metal low temperature
Impact flexibility is excellent, and cold impact value fluctuation is small, and the low-temperature impact value stabilization under the conditions of -30 DEG C is in more than 180J.
Low-temperature impact test is carried out to the high-tenacity heat-resistant steel electrode of embodiment 1~3.Test result shows, shock-testing
The impact specimen of embodiment 1~3 is not fractured into two parts completely afterwards, and sample root position remains attached to together, shows to use
The weld metal material of high-tenacity heat-resistant steel electrode of the present invention has excellent low-temperature impact toughness.
Impact specimen fracture after low-temperature impact test in embodiment 1 is swept by the electronics that resolution ratio is 5mm and 20 μm
Retouch microscope to be observed, its result is as depicted in figs. 1 and 2.Impact specimen fracture surface is present it can be seen from Fig. 1 and Fig. 2
Substantial amounts of dimple, dimple is very intensive and depth is larger, shows that this impact specimen generates largely during impact test
Plastic deformation, absorbs a large amount of ballistic works, i.e., the high-tenacity heat-resistant steel electrode deposited metal has excellent under cryogenic
Plasticity and toughness.
High-toughness thermo-resisting steel welding rod metal chemical composition and mechanical property provided by the invention meet GB/T
5118-2012《Refractory steel welding rod》Middle E55156-1CM, NB/T 47018.2-2001《Bearing device welding material order skill
Art condition》Part II：E5515-B2 regulation in steel electrode.
In summary, this high-tenacity heat-resistant steel electrode provided by the invention uses CaO-CaF2-SiO2-Al2O3Novel slag
System, and substitute quartz, so as to form short slag, improve usability of electrode energy with a small amount of rutile, arc stability, splash it is small,
De- slag is excellent, can carry out all-position welding；And welding rod provided by the invention has (- 30 DEG C of punchings of good low-temperature impact toughness
Hit value >=180J), and its low-temperature impact value stabilization.
It is exemplified as above be only to the present invention for example, do not form the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (9)
1. a kind of high-tenacity heat-resistant steel electrode, including core wire and wrap the coating on core wire surface, it is characterised in that：The coating
Mixed by dry powder and bonding agent, in the coating composition of dry powder and content account for dry powder gross weight percentage it is as follows：Greatly
Reason stone：40~48%, fluorite：17~25%, quartz：3~6%, natural rutile：2~5%, alundum (Al2O3)：0.3~
1.0%, crome metal：3.5~5%, molybdenum-iron：2.5~3.0%, 45# are atomized ferrosilicon：5~8%, electrolytic manganese：2.0~3.5%, magnesium
Aluminium alloy：0.5~1.0%, ferro-aluminum：0.6~1.3%, soda ash：0.5~1.5%, graphite：0.1~0.3%, iron powder：2~
10%；The bonding agent is counted using dry powder gross weight as 100%, and its addition is the 18~25% of dry powder gross weight.
2. high-tenacity heat-resistant steel electrode as claimed in claim 1, it is characterised in that：The coating quality accounts for welding rod gross mass
28%~30%.
3. high-tenacity heat-resistant steel electrode as claimed in claim 1, it is characterised in that：The bonding agent is the pure sodium water glass of high mould
Glass, the modulus of the high pure sodium silicate of mould is 3.0~3.2.
4. high-tenacity heat-resistant steel electrode as claimed in claim 1 or 2, it is characterised in that：The core wire is low carbon steel welding core
H08E, the mass percent of contained element and each element in core wire is in the core wire：C≤0.10%, Mn：0.35~
0.60%, Si≤0.03%, Cr≤0.20%, Ni≤0.30%, Cu≤0.20%, S≤0.020%, P≤0.020%, surplus
For Fe.
5. high-tenacity heat-resistant steel electrode as claimed in claim 1, it is characterised in that：Mg and Al quality in the magnesium alloy
Fraction respectively accounts for 50%, and Al mass percent is 50% in ferro-aluminum.
6. high-tenacity heat-resistant steel electrode as claimed in claim 5, it is characterised in that：Al's is total in the ferro-aluminum and magnesium alloy
Quality accounts for the 0.7~0.9% of coating dry powder gross mass.
7. high-tenacity heat-resistant steel electrode as claimed in claim 1, it is characterised in that：The composition and content of dry powder in the coating
The percentage for accounting for dry powder gross weight is as follows：Marble：40%, fluorite：21%, quartz：3%, natural rutile：5%, three oxidations
Two aluminium：1.0%, crome metal：3.5%, molybdenum-iron：2.5%, 45# are atomized ferrosilicon：8%, electrolytic manganese：3.5%, magnesium alloy：
0.7%, ferro-aluminum：0.7%, soda ash：0.8%, graphite：0.3%, iron powder：10%.
8. high-tenacity heat-resistant steel electrode as claimed in claim 1, it is characterised in that：The composition and content of dry powder in the coating
The percentage for accounting for dry powder gross weight is as follows：Marble：45%, fluorite：17%, quartz：5%, natural rutile：4%, three oxidations
Two aluminium：0.8%, crome metal：5%, molybdenum-iron：2.8%, 45# are atomized ferrosilicon：6%, electrolytic manganese：3.2%, magnesium alloy：1.0%,
Ferro-aluminum：0.6%, soda ash：1.5%, graphite：0.1%, iron powder：8%.
9. high-tenacity heat-resistant steel electrode as claimed in claim 1, it is characterised in that：The composition and content of dry powder in the coating
The percentage for accounting for dry powder gross weight is as follows：Marble：48%, fluorite：25%, quartz：6%, natural rutile：2%, three oxidations
Two aluminium：0.3%, crome metal：4.2%, molybdenum-iron：3.0%, 45# are atomized ferrosilicon：5%, electrolytic manganese：2.0%, magnesium alloy：
0.5%, ferro-aluminum：1.3%, soda ash：0.5%, graphite：0.2%, iron powder：2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345929.7A CN105880870B (en) | 2016-05-24 | 2016-05-24 | A kind of high-tenacity heat-resistant steel electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345929.7A CN105880870B (en) | 2016-05-24 | 2016-05-24 | A kind of high-tenacity heat-resistant steel electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105880870A CN105880870A (en) | 2016-08-24 |
| CN105880870B true CN105880870B (en) | 2018-03-20 |
Family
ID=56717818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610345929.7A Active CN105880870B (en) | 2016-05-24 | 2016-05-24 | A kind of high-tenacity heat-resistant steel electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105880870B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271224B (en) * | 2016-08-30 | 2018-08-03 | 四川大西洋焊接材料股份有限公司 | Water power 790MPa grade high strength and high toughness welding rods and preparation method thereof |
| CN106181125B (en) * | 2016-08-30 | 2018-06-19 | 四川大西洋焊接材料股份有限公司 | Exempt from application bridge steel high-performance weather-proof steel welding rod and preparation method thereof |
| CN106346167B (en) * | 2016-09-14 | 2018-05-01 | 钢铁研究总院 | A kind of martensite heat-resistant steel welding welding rod |
| CN106425171B (en) * | 2016-12-06 | 2019-02-22 | 攀枝花学院 | Low hydrogen type iron powder electrode and preparation method thereof |
| CN106392382A (en) * | 2016-12-06 | 2017-02-15 | 攀枝花学院 | J507 welding rod with high deposition rate, and preparation method thereof |
| CN114310030B (en) * | 2021-11-25 | 2023-08-08 | 武汉铁锚焊接材料股份有限公司 | Heat-treatable anti-cracking high-toughness welding rod |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1030326A (en) * | 1963-09-17 | 1966-05-18 | Murex Welding Processes Ltd | Improvements in arc welding electrodes |
| CN1262160A (en) * | 1999-02-04 | 2000-08-09 | 魏国章 | Electric welding electrode of refractory pearlitic steel |
| CN101898284A (en) * | 2010-07-14 | 2010-12-01 | 中国船舶重工集团公司第七二五研究所 | Surfacing electrode for repairing hot forged mould |
| CN103008922A (en) * | 2012-12-17 | 2013-04-03 | 四川大西洋焊接材料股份有限公司 | Low-yield strength hydrogen-induced cracking-resistant steel-dedicated welding rod and production method thereof |
| CN103447717A (en) * | 2013-07-30 | 2013-12-18 | 中国船舶重工集团公司第七二五研究所 | Low-alloy steel covered electrode for low-temperature steel welding |
| CN103862201A (en) * | 2014-03-04 | 2014-06-18 | 中国船舶重工集团公司第七二五研究所 | Welding electrode for Ni steel welding |
| CN104907738A (en) * | 2015-05-25 | 2015-09-16 | 武汉铁锚焊接材料股份有限公司 | Special welding rod for sulfuric acid dew point corrosion-resistant steel |
| CN105033503A (en) * | 2015-08-17 | 2015-11-11 | 武汉铁锚焊接材料股份有限公司 | Welding rod for welding corrosion-resisting steel |
| CN105290645A (en) * | 2015-10-30 | 2016-02-03 | 武汉铁锚焊接材料股份有限公司 | Electrode for high-strength steel welding and preparation method and application thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60216995A (en) * | 1984-04-13 | 1985-10-30 | Nippon Steel Corp | Low hydrogen covered electrode |
-
2016
- 2016-05-24 CN CN201610345929.7A patent/CN105880870B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1030326A (en) * | 1963-09-17 | 1966-05-18 | Murex Welding Processes Ltd | Improvements in arc welding electrodes |
| CN1262160A (en) * | 1999-02-04 | 2000-08-09 | 魏国章 | Electric welding electrode of refractory pearlitic steel |
| CN101898284A (en) * | 2010-07-14 | 2010-12-01 | 中国船舶重工集团公司第七二五研究所 | Surfacing electrode for repairing hot forged mould |
| CN103008922A (en) * | 2012-12-17 | 2013-04-03 | 四川大西洋焊接材料股份有限公司 | Low-yield strength hydrogen-induced cracking-resistant steel-dedicated welding rod and production method thereof |
| CN103447717A (en) * | 2013-07-30 | 2013-12-18 | 中国船舶重工集团公司第七二五研究所 | Low-alloy steel covered electrode for low-temperature steel welding |
| CN103862201A (en) * | 2014-03-04 | 2014-06-18 | 中国船舶重工集团公司第七二五研究所 | Welding electrode for Ni steel welding |
| CN104907738A (en) * | 2015-05-25 | 2015-09-16 | 武汉铁锚焊接材料股份有限公司 | Special welding rod for sulfuric acid dew point corrosion-resistant steel |
| CN105033503A (en) * | 2015-08-17 | 2015-11-11 | 武汉铁锚焊接材料股份有限公司 | Welding rod for welding corrosion-resisting steel |
| CN105290645A (en) * | 2015-10-30 | 2016-02-03 | 武汉铁锚焊接材料股份有限公司 | Electrode for high-strength steel welding and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105880870A (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105880870B (en) | A kind of high-tenacity heat-resistant steel electrode | |
| CN106944765B (en) | A kind of self-protection flux-cored wire for X80 pipe line steel | |
| CN103056548B (en) | High-strength heat-resistant steel gas-shielded solid wire | |
| CN102794583B (en) | Preheat-free welding rod and manufacturing method and application thereof | |
| CN106346167A (en) | Welding rod for welding of martensite heat-resistant steel | |
| CN104959748A (en) | Flux-cored wire special for maritime work low-temperature high-strength steel | |
| CN110000489A (en) | A kind of low-alloy steel electrode and preparation method thereof of ultralow-hydrogen low alkalinity | |
| CN106825992B (en) | A kind of 620MPa grade low-temp steel flux-cored wire and its welding method | |
| CN101537544B (en) | Electric welding rod for welding large scale low temperature spherical tank steel | |
| CN111975244B (en) | Coating-free weather-resistant steel bridge CO with 650 MPa-grade tensile strength2Gas shielded welding wire and wire rod | |
| CN106078004B (en) | A kind of low temperature spherical tank ultralow-hydrogen low high-tenacity welding electrodes | |
| CN101633085B (en) | Stainless steel welding wire and technology for welding same | |
| CN101837525B (en) | Welding rod of arc welding in large heat input welding | |
| CN105834614B (en) | A kind of low-alloy refractory steel electrode containing vanadium | |
| CN106392373B (en) | A kind of high intensity gas shielded solid welding wire of 1000MPa grades of engineering machinery | |
| CN109175773B (en) | Flux-cored wire matched with bridge steel Q620qE | |
| CN109175781B (en) | Flux-cored wire matched with EH500 steel for ship and ocean engineering | |
| CN110181201A (en) | One kind is for coastal engineering high tenacity corrosion resistant welding rod and application thereof | |
| CN102233493A (en) | Submerged-arc welding wire and welding flux for high-intensity low-temperature steel | |
| CN105345315A (en) | High-Ni-content self-protection flux-cored wire for welding high-steel-grade pipeline | |
| CN109175779B (en) | Flux-cored wire for welding bridge steel Q500qE | |
| CN107914097A (en) | High-strength steel gas shield welding flux-cored wire | |
| CN104928597B (en) | Low-nickel-chromium stainless steel as well as production method and application thereof | |
| CN111975246B (en) | Coating-free weather-resistant argon-rich gas shielded welding wire with 650 MPa-level tensile strength for steel bridge and wire rod | |
| EP4261310A1 (en) | Steel for marine engineering having corrosion resistance to highly humid and hot marine atmosphere and fabrication method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |