CN109226941A - A kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate - Google Patents
A kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate Download PDFInfo
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- CN109226941A CN109226941A CN201811401068.5A CN201811401068A CN109226941A CN 109226941 A CN109226941 A CN 109226941A CN 201811401068 A CN201811401068 A CN 201811401068A CN 109226941 A CN109226941 A CN 109226941A
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
A kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate, steel plate thickness are 8 ~ 12mm, are combined and are docked using identical plate thickness, include the following steps: that double V-groove is processed；Pretreatment；The heat input of strict control preheating temperature, interlayer temperature and backing welding, filling weldering and cosmetic welding carries out single face welding and double face shaping；Postwelding dehydrogenation；Weld reinforcement processing.Welding point of the invention has good obdurability and cold-bending property: tensile strength >=1000MPa；D=6a, 180 ° of faces are curved and carry on the back curved equal qualification；Weld seam, fusion area, -40 DEG C of heat affected area ballistic work >=27J；Welding procedure strong operability simultaneously, is convenient for industrial applications, and high production efficiency has popularization and application foreground.
Description
Technical field
The invention belongs to gas metal-arc weldings to connect (GMAW) technical field, strong more particularly to a kind of low-alloy superelevation
The GMAW welding method of steel Q1100E thin plate.
Background technique
In face of be on the rise environment, resource, the energy, cost the problems such as, enlargement, lightweight, high-effectization green
Manufacture road become developing direction, yield strength the market demand of 1100MPa and the low-alloy super-high strength steel of the above rank not
It is disconnected to expand, such as tonnage automobile crane, heavily loaded crawler crane, large-sized concrete pump truck.But with armor plate strength
Increase, welding difficulty increases, and cold crack often occurs in welding point, intensity is remarkably decreased, impact flexibility deteriorates, cold bend cracking etc. shows
As seriously restrict the popularization and use of low-alloy super-strength steel.
Chinese patent CN102441727B discloses the gas shielded welding side of quenched low-alloy high-strength steel Q960E a kind of
Method, steel plate thickness are 8 ~ 30mm.To postwelding, welding point has good obdurability and cold-bending property: d=6a, 180 ° of clod wash conjunctions
Lattice, -40 DEG C of impact flexibility >=27J.
Chinese patent CN105522262B discloses a kind of welding side of yield strength 1100MPa level low alloy super-high strength steel
Method makes welding point not generate cold crack while proof strength, but 8mm thickness steel plate, to postwelding, heat affected area is (away from fusion
Line 0.5mm) 0 DEG C of ballistic work only 32J, and do not detect its cold-bending property.
Chinese patent CN105598596B discloses a kind of tensile strength 1200MPa high strength steel and does not preheat Combination Welding side
Method, this method is when bottoming, filling, capping and back cover weld, using the welding wire of different model and rank, although base material tension is strong
Spend permission >=1200MPa, but the tensile strength of banjo fixing butt jointing only 780MPa.
Summary of the invention
In view of the above shortcomings of the prior art, the purpose of the present invention is to provide a kind of low-alloy super-high strength steel Q1100E is thin
The GMAW welding method of plate, 8 ~ 12mm of steel plate thickness are docked using double V-groove, and single face welding and double face shaping is pre- by strict control
The techniques such as hot temperature, interlayer temperature, heat input, postwelding dehydrogenation guarantee welding point tensile strength >=1000MPa；d=
6a, 180 ° of faces are curved and carry on the back curved equal qualification；Weld seam, fusion area, -40 DEG C of heat affected area ballistic work >=27J.
Technical solution of the present invention:
A kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate, the chemical composition weight percent of steel are as follows: C=
0.15 ~ 0.20, Si=0.10 ~ 0.30, Mn=0.80 ~ 1.20, P≤0.015, S≤0.003, Al=0.02 ~ 0.05, Nb=0.01 ~
0.02, V=0.03 ~ 0.06, Ti=0.008 ~ 0.020, Cr=0.10 ~ 0.30, Mo=0.50 ~ 0.80, Ni≤0.50, B=0.0015 ~
0.004, and CEV=C+Mn/6+ (Cr+Mo+V)/5+ (Ni+Cu)/15=0.52 ~ 0.56, surplus are Fe and inevitable impurity；
The steel plate thickness be 8 ~ 12mm, yield strength >=1100MPa, tensile strength >=1300MPa, elongation percentage >=15%, -40 DEG C
Ballistic work >=27J；Using 980MPa high-strength steel welding wire, identical plate thickness combination docking is carried out, specific steps include:
(1) retaining wall on slope: opening double V-groove, and bevel angle is 60 ± 5 °, not root face；
(2) it pre-processes: using hand operated grinding wheel piece polishing cleaning groove, removing iron scale and iron filings, and by groove two sides 25mm
Interior surface iron rust and oil removal are clean；Control welding point group to gap be 2 ~ 3mm, and test plate (panel) both ends run-on tab,
Arc-extinguishing plate is fixed；
(3) welding: GMAW welding is carried out using the method for single face welding and double face shaping, protective gas is the mixed of argon gas and carbon dioxide
Gas is closed, gas flow is 18 ~ 22L/min, and wherein argon gas percent by volume is 75 ~ 85%, and carbon dioxide percent by volume is 15
~25%；180 ~ 200 DEG C of preheating is carried out before welding to test plate (panel)；When welding use DC reverse connection, successively carry out heat input be 12 ~
The backing welding of 13kJ/cm, the filling weldering that 1 ~ 2 heat input is 7 ~ 8kJ/cm and capping that heat input is 10 ~ 12kJ/cm
Weldering；110 ~ 130 DEG C of interlayer temperature are controlled before filling weldering and cosmetic welding；Control weld reinforcement is 1 ~ 2mm；
(4) postwelding dehydrogenation: after welding, carrying out isothermal holding for test plate (panel), and control test plate (panel) temperature is cold at 100 DEG C or more
But time >=4h；
(5) weld reinforcement is handled: weld reinforcement is removed using mechanical means, and using hand operated grinding wheel piece that weld grinding is smooth,
It is smooth, it planes or is carried out when polishing along welding direction.
Further, the process parameter optimizing in above-mentioned steps (3):
The backing welding welding condition being related to are as follows: weldingvoltage is 21 ~ 23V, and welding current is 180 ~ 210A, and speed of welding is
18~22cm/min；
The filling weldering welding condition being related to are as follows: weldingvoltage is 18 ~ 21V, and welding current is 150 ~ 180A, and speed of welding is
24~28cm/min；
The cosmetic welding welding condition being related to are as follows: weldingvoltage is 23 ~ 26V, and welding current is 210 ~ 240A, and speed of welding is
28~32cm/min。
Preferably, the 980MPa high-strength steel welding wire, diameter 1.2mm, deposited metal mechanical property are as follows: tensile strength
>=980MPa, yield strength >=890MPa, elongation >=15%, -40 DEG C of ballistic work >=47J；Main chemical compositions and weight percent
Than are as follows: C=0.07 ~ 0.12, Si=0.40 ~ 0.90, Mn=1.20 ~ 2.00, Cr=0.30 ~ 0.80, Mo=0.30 ~ 0.80, Ni=2.0 ~
3.0, P≤0.015, S≤0.015, surplus are Fe and inevitable impurity.
It is highly preferred that the 980MPa high-strength steel welding wire, main chemical compositions and weight percent are as follows: C=0.10, Si=
0.80, Mn=1.80, Cr=0.35, Mo=0.60, Ni=2.25, P=0.014, S=0.013, surplus be Fe and inevitably it is miscellaneous
Matter.
Technical principle of the invention: low-alloy super-high strength steel carbon content is high, carbon equivalent is big, and heat affected area microscopic structure is with cold
But the increase of speed changes, most from granular bainite+a large amount of M-A constituent elements to ferrite bainite+lath martensite line and staff control
Whole lath martensite tissues is obtained eventually.Ferrite bainite+lath martensite line and staff control mutually completes a business transaction, and can refine
Crystallite dimension is imitated, high-angle boundary quantity is increased, it is thus possible to which the extension for effectively hindering crackle makes it have good toughness；
And sufficient amount of tiny M-A constituent element, due to deformation-induced martensitic transformation effect and improve plasticity, can effectively improve cold
Curved performance, but when cooling velocity is very low, larger-size bulk M-A constituent element is formed, On Impact Toughness is unfavorable, and cooling velocity
Often thermal weld stress amount is larger when lower, makes the crystallite dimension roughening difficult to understand of the original of heat affected area, to significantly reduce heat affected area
Toughness and plasticity especially at melt run.Comparative example practice result according to the present invention, when thermal weld stress amount is smaller, weldering
The impact flexibility of connector is up to standard, but cold-bending property is unqualified；When thermal weld stress amount is larger, the cold-bending property of welding point
Qualification, but impact flexibility is unsatisfactory for requiring.Therefore, the present invention passes through control backing welding, the different heat of filling weldering and cosmetic welding
The welding conditions such as input quantity and preheating temperature, interlayer temperature, post weld heat treatment, the cooling speed of well-designed each welding bead
Degree, obtains on thickness that center toughness is preferable, surface plasticity is preferably organized, and solves the impact of low-alloy super-high strength steel welding point
The contradiction of toughness and cold-bending property.
Beneficial effects of the present invention: welding method proposed by the present invention realizes low-alloy super-high strength steel Q1100E thin plate
GMAW welding, welding point has good obdurability, clod wash and anti-cold crack performance, while the welding side
The process operability of method is strong, is convenient for industrial applications, and high production efficiency is able to solve current construction machinery industry Large-Scale Equipment
The Welding Problems encountered when key carrying position is using super-high strength steel reduce the consumption of steel to realize the lightweight of equipment
And energy consumption, reduce the pollution to environment.In addition, the welding method of the invention Q1100E thicker to thickness, intensity are higher
Low-alloy super-high strength steel welding have reference, be worthy of popularization.
Detailed description of the invention
Fig. 1 is butt welded joint schematic diagram, wherein 1 is backing run, 2 be filler pass, and 3 be final pass.
Fig. 2 ~ 4 are respectively the coarse grain heat affect zone gold of 1 welding point backing run of embodiment, filler pass, final pass
Phase constitution photo.
Specific embodiment
The present invention to low-alloy super-high strength steel Q1100E thin plate carry out GMAW welding, specific embodiment by embodiment 1 ~
Embodiment 3 using comparative example 1-1, comparative example 1-2 with the embodiment of the present invention 1 for example, and made comparisons.
The welding equipment of embodiment uses Lincoln 455M/STT.
The base material tension test of embodiment uses extensometer referring to 228 standard of GB/T, to the determination of yield strength；Welding
The tension test of connector is referring to 2651 standard of GB/T.
The base material impact test of embodiment is referring to 229 standard of GB/T, and the impact test of welding point is referring to GB/T 2650
Standard.
The cold bending test of embodiment Welded Joints is referring to 2653 standard of GB/T.
The same base material of test piece for welding selection of embodiment 1, comparative example 1-1, comparative example 1-2, steel plate thickness 8mm；Steel
Component and weight percent are as follows: C=0.16, Si=0.18, Mn=1.13, P=0.008, S=0.0013, Al=0.036, Nb=0.015,
V=0.05, Ti=0.016, Cr=0.21, Mo=0.55, Ni=0.30, B=0.0019, CEV=0.53, surplus is for Fe and unavoidably
Impurity；Its yield strength is 1176MPa, and tensile strength 1346MPa, elongation percentage 16%, -40 DEG C of ballistic works are 70J/
67J/69J(specimen size is 5mm × 10mm × 55mm).
The test piece for welding of embodiment 2 is derived from the Q1100E steel plate of 10mm thickness, the component and weight percent of steel are as follows: and C=
0.18, Si=0.26, Mn=0.95, P=0.011, S=0.0025, Al=0.042, Nb=0.016, V=0.037, Ti=0.010, Cr=
0.28, Mo=0.57, Ni=0.02, B=0.0018, CEV=0.52, surplus are Fe and inevitable impurity；Its yield strength is
1200MPa, tensile strength 1390MPa, elongation percentage 17%, -40 DEG C of ballistic works are that 72J/60J/58J(specimen size is
7.5mm × 10mm × 55mm).
The test piece for welding of embodiment 3 is derived from the Q1100E steel plate of 12mm thickness, the component and weight percent of steel are as follows: and C=
0.19, Si=0.25, Mn=0.85, P=0.009, S=0.002, Al=0.025, Nb=0.012, V=0.056, Ti=0.012, Cr=
0.20, Mo=0.75, Ni=0.40, B=0.0022, CEV=0.56, surplus are Fe and inevitable impurity；Its yield strength is
1149MPa, tensile strength 1374MPa, elongation percentage 15.5%, -40 DEG C of ballistic works are that 72J/64J/69J(specimen size is
10mm × 10mm × 55mm).
The 980MPa high-strength steel welding wire that embodiment is selected, model T Union GM-120 are obtained by commercially available purchase.Weldering
Silk diameter is 1.2mm；Its deposited metal mechanical property are as follows: tensile strength >=980MPa, yield strength >=890MPa, elongation >=
15%, -40 DEG C of ballistic work >=47J；Main chemical compositions and weight percent are as follows: C=0.10, Si=0.80, Mn=1.80, Cr=
0.35, Mo=0.60, Ni=2.25, P=0.014, S=0.013, surplus are Fe and inevitable impurity.
Embodiment combines butt welding using identical plate thickness, and specific steps include:
(1) retaining wall on slope: opening double V-groove, and bevel angle is 60 ± 5 °, not root face.
(2) it pre-processes: using hand operated grinding wheel piece polishing cleaning groove, removing iron scale and iron filings, and to groove two sides
Surface iron rust and oil removal in 25mm is clean；Controlling welding point group is 2 ~ 3mm to gap, and in the striking of test plate (panel) both ends
Plate, arc-extinguishing plate are fixed.
(3) welding: GMAW welding is carried out using the method for single face welding and double face shaping, protective gas is argon gas and carbon dioxide
Mixed gas, gas flow be 18 ~ 22L/min, wherein argon gas percent by volume be 75 ~ 85%, carbon dioxide volume basis
Than being 15 ~ 25%；180 ~ 200 DEG C of preheating is carried out before welding to test plate (panel)；DC reverse connection is used when welding, successively carries out heat input
Backing welding, the filling weldering that 1 ~ 2 heat input is 7 ~ 8kJ/cm and the heat input that amount is 12 ~ 13kJ/cm are 10 ~ 12kJ/
The cosmetic welding of cm；Strict control interlayer temperature is between 110 ~ 130 DEG C before filling weldering and cosmetic welding；Control weld reinforcement be 1 ~
2mm。
(4) postwelding dehydrogenation: after welding, test plate (panel) is subjected to isothermal holding, controls test plate (panel) temperature at 100 DEG C or more
Cooling time >=4h.
(5) weld reinforcement is handled: being removed weld reinforcement using mechanical means, and is put down weld grinding using hand operated grinding wheel piece
It is whole, smooth, it planes or is carried out when polishing along welding direction.
The crucial welding condition of each embodiment and comparative example such as 1 ~ table of table 5.
The crucial welding condition of 1 embodiment 1 of table
The crucial welding condition of 2 comparative example 1-1 of table
The crucial welding condition of 3 comparative example 1-2 of table
The crucial welding condition of 4 embodiment 2 of table
The crucial welding condition of 5 embodiment 3 of table
All right using the Q1100E welding point fusion of above-mentioned technique welding, surface and root are without macroscopic cracking, ultrasonic wave
Flaw detection is qualified.Detect the weld joint mechanical of embodiment 1, comparative example 1-1, comparative example 1-2, embodiment 2 and embodiment 3
It can be such as table 6.It can be seen that according to embodiment 1, embodiment 2 and embodiment 3 that welding method of the present invention carries out, welding point tool
There are good obdurability and cold-bending property, can satisfy standard and requirement, illustrates GMAW welding method proposed by the present invention
Welding suitable for low-alloy super-high strength steel Q1100E thin plate；The thermal weld stress amount of comparative example 1-1 is larger, welding point
Cold-bending property is qualified, but the impact flexibility of heat affected area and melt run is lower than the standard value of 27J, and the sweating heat of comparative example 1-2 is defeated
Enter that amount is smaller, the impact flexibility of welding point is higher, but cold-bending property is unstable, especially carry on the back it is curved unqualified, it is all disconnected
It splits, it is excellent when thus further displaying out welding method proposed by the present invention to low-alloy super-high strength steel Q1100E thin plate welding
Property, practicability and reliability.
The welding joint mechanical property of 6 embodiment and comparative example of table
In addition, Fig. 1 is butt welded joint schematic diagram of the present invention, Fig. 2 ~ 4 are coarse-grain heat at 1 welding point different-thickness of embodiment
The metallographic structure photo of the zone of influence, it can be seen that welding method according to the invention, the corresponding heat affected area of different welding beads
Tissue has differences, and the coarse grain heat affect zone of backing welding and cosmetic welding has more M-A constituent element, is granular bainite, lath shellfish
The line and staff control of family name's body, lath martensite, M-A constituent element, the coarse grain heat affect zone for filling weldering is mainly lath martensite and lath
The tissue of bainite.The difference organized on this thickness also has good while ensuring welding point with good impact flexibility
Good cold-bending property.
Claims (6)
1. a kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate, which is characterized in that C=0.15 ~ 0.20, Si=
0.10 ~ 0.30, Mn=0.80 ~ 1.20, P≤0.015, S≤0.003, Al=0.02 ~ 0.05, Nb=0.01 ~ 0.02, V=0.03 ~
0.06, Ti=0.008 ~ 0.020, Cr=0.10 ~ 0.30, Mo=0.50 ~ 0.80, Ni≤0.50, B=0.0015 ~ 0.004, and CEV=C
+ Mn/6+ (Cr+Mo+V)/5+ (Ni+Cu)/15=0.52 ~ 0.56, surplus are Fe and inevitable impurity；The steel plate thickness
For 8 ~ 12mm, yield strength >=1100MPa, tensile strength >=1300MPa, elongation percentage >=15%, -40 DEG C of ballistic work >=27J；
Using 980MPa high-strength steel welding wire, [Microsoft user 1] carries out identical plate thickness combination docking, and specific steps include:
(1) retaining wall on slope: opening double V-groove, and bevel angle is 60 ± 5 °, not root face；
(2) it pre-processes: using hand operated grinding wheel piece polishing cleaning groove, removing iron scale and iron filings, and to groove two sides 25mm
Interior surface iron rust and oil removal are clean；Control welding point group to gap be 2 ~ 3mm, and test plate (panel) both ends run-on tab,
Arc-extinguishing plate is fixed；
(3) welding: GMAW welding is carried out using the method for single face welding and double face shaping, protective gas is the mixed of argon gas and carbon dioxide
Gas is closed, gas flow is 18 ~ 22L/min, wherein argon gas percent by volume is 75 ~ 85%, and carbon dioxide percent by volume is
15~25%；180 ~ 200 DEG C of preheating is carried out before welding to test plate (panel)；DC reverse connection is used when welding, successively carrying out heat input is
The backing welding of 12 ~ 13kJ/cm, the filling that 1 ~ 2 heat input is 7 ~ 8kJ/cm weldering and heat input are 10 ~ 12kJ/cm's
Cosmetic welding；Strict control interlayer temperature is between 110 ~ 130 DEG C before filling weldering and cosmetic welding；Control weld reinforcement is 1 ~ 2mm；
(4) postwelding dehydrogenation: after welding, carrying out isothermal holding for test plate (panel), and control test plate (panel) temperature is cold at 100 DEG C or more
But time >=4h；
(5) weld reinforcement is handled: weld reinforcement is removed using mechanical means, and using hand operated grinding wheel piece that weld grinding is smooth,
It is smooth, it planes or is carried out when polishing along welding direction.
2. a kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate according to claim 1, feature exist
In: backing welding welding condition involved in the step C is that weldingvoltage is 21 ~ 23V, and welding current is 180 ~ 210A,
Speed of welding is 18 ~ 22cm/min.
3. a kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate according to claim 1, feature exist
In: welding condition is welded in filling involved in the step C are as follows: and weldingvoltage is 18 ~ 21V, and welding current is 150 ~ 180A,
Speed of welding is 24 ~ 28cm/min.
4. a kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate according to claim 1, feature exist
In: cosmetic welding welding condition involved in the step C is that weldingvoltage is 23 ~ 26V, and welding current is 210 ~ 240A,
Speed of welding is 28 ~ 32cm/min.
5. a kind of GMAW welding method of low-alloy super-high strength steel Q1100E thin plate according to claim 1, feature exist
In: the 980MPa high-strength steel gage of wire be 1.2mm, tensile strength >=980MPa, yield strength >=890MPa, elongation >=
15%, -40 DEG C of ballistic work >=47J；Main chemical compositions and weight percent are as follows: C=0.07 ~ 0.12, Si=0.40 ~ 0.90, Mn=
1.20 ~ 2.00, Cr=0.30 ~ 0.80, Mo=0.30 ~ 0.80, Ni=2.0 ~ 3.0, P≤0.015, S≤0.015, surplus is for Fe and not
Evitable impurity.
6. 980MPa high-strength steel welding wire according to claim 5, which is characterized in that main chemical compositions and weight percent
Are as follows: C=0.10, Si=0.80, Mn=1.80, Cr=0.35, Mo=0.60, Ni=2.25, P=0.014, S=0.013, surplus be Fe and
Inevitable impurity.
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| CN111872561A (en) * | 2020-06-10 | 2020-11-03 | 中国兵器科学研究院宁波分院 | Welding joint and welding method of low-alloy ultrahigh-strength steel |
| CN112453656A (en) * | 2020-10-09 | 2021-03-09 | 江阴兴澄特种钢铁有限公司 | Welding method of thin-wall thick high-strength steel plate |
| CN113118597A (en) * | 2021-03-30 | 2021-07-16 | 湖南华菱涟钢特种新材料有限公司 | Welding method of high-strength steel |
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| CN114843016A (en) * | 2022-04-26 | 2022-08-02 | 江苏亨通高压海缆有限公司 | Armored material of submarine cable and jointing method of galvanized metal wires |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007260715A (en) * | 2006-03-28 | 2007-10-11 | Jfe Steel Kk | Method for producing superhigh strength welded steel pipe |
| CN102441727A (en) * | 2011-11-16 | 2012-05-09 | 南京钢铁股份有限公司 | Gas shielded welding method for hardened and tempered low-alloy high-strength steel |
| CN105057849A (en) * | 2015-07-16 | 2015-11-18 | 东北大学 | Non-preheating welding method for 1100 MPa grade hot-rolled ultrahigh-strength high-toughness steel |
| CN105522262A (en) * | 2016-02-03 | 2016-04-27 | 东北大学 | Welding method for low-alloy and ultrahigh-strength steel with yield strength being 1100 MPa |
| CN106270957A (en) * | 2016-09-14 | 2017-01-04 | 武汉钢铁股份有限公司 | A kind of gas-shield welding method of 1000MPa level engineering machinery high-strength steel slab |
| CN106435368A (en) * | 2016-11-26 | 2017-02-22 | 湖南华菱湘潭钢铁有限公司 | Production method of anti-delayed-fracture and superhigh-strength steel plate |
-
2018
- 2018-11-22 CN CN201811401068.5A patent/CN109226941B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007260715A (en) * | 2006-03-28 | 2007-10-11 | Jfe Steel Kk | Method for producing superhigh strength welded steel pipe |
| CN102441727A (en) * | 2011-11-16 | 2012-05-09 | 南京钢铁股份有限公司 | Gas shielded welding method for hardened and tempered low-alloy high-strength steel |
| CN105057849A (en) * | 2015-07-16 | 2015-11-18 | 东北大学 | Non-preheating welding method for 1100 MPa grade hot-rolled ultrahigh-strength high-toughness steel |
| CN105522262A (en) * | 2016-02-03 | 2016-04-27 | 东北大学 | Welding method for low-alloy and ultrahigh-strength steel with yield strength being 1100 MPa |
| CN106270957A (en) * | 2016-09-14 | 2017-01-04 | 武汉钢铁股份有限公司 | A kind of gas-shield welding method of 1000MPa level engineering machinery high-strength steel slab |
| CN106435368A (en) * | 2016-11-26 | 2017-02-22 | 湖南华菱湘潭钢铁有限公司 | Production method of anti-delayed-fracture and superhigh-strength steel plate |
Non-Patent Citations (2)
| Title |
|---|
| SHBZSYYXGS: "超高强度钢板Q960E,Q1100E", 《HTTP://WWW.BOKEE.NET/COMPANYMODULE/WEBLOG_VIEWENTRY.DO?ID=22147393 》 * |
| 程浩轩: "工程机械用1100 MPa级高强钢焊接工艺研究", 《金属材料与冶金工程》 * |
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| US11535909B2 (en) | 2019-07-09 | 2022-12-27 | Ssab Technology Ab | Method for manufacturing a steel sheet product |
| CN111375926A (en) * | 2020-04-20 | 2020-07-07 | 中煤北京煤矿机械有限责任公司 | Method for welding ultrahigh-strength steel plate Q1150 of hydraulic support |
| CN111872561A (en) * | 2020-06-10 | 2020-11-03 | 中国兵器科学研究院宁波分院 | Welding joint and welding method of low-alloy ultrahigh-strength steel |
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| CN114769804A (en) * | 2022-02-28 | 2022-07-22 | 南京钢铁股份有限公司 | Gas shielded welding method for 890-grade ultrahigh-strength marine board |
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