CN102632320A - Method for welding high-grade wear-resistant steel under protection of carbon dioxide - Google Patents
Method for welding high-grade wear-resistant steel under protection of carbon dioxide Download PDFInfo
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Abstract
The invention belongs to the technical field of welding steel materials and discloses a method for welding high-grade wear-resistant steel under protection of carbon dioxide. The method comprises the following steps of: utilizing a high-grade wear-resistant steel plate with the hardness grade of HB500 and the thickness of below 25mm, combining and butt jointing the steel plates with the same thicknesses; according to different requirements of a structure on mechanical property, respectively selecting CO2 gas and a welding wire with the extension strength Rm of larger than or equal to 500MPa or the extension strength Rm of larger than or equal to 690MPa; selecting the welding wire with the extension strength Rm of larger than or equal to 500MPa, pre-heating to 120 DEG C before welding when butt welding and back welding are performed on a fixed point; continuously welding, wherein the temperature of an interval between filling and cap weld welding beads is not lower than 120 DEG C and is not higher than 200 DEG C, and welding heat input amount is controlled within 8-20KJ/cm in welding; or selecting the extension strength Rm of larger than or equal to 690MPa, pre-heating to 150 DEG C before welding when butt welding and back welding are performed on a fixed point; and continuously welding, wherein the temperature of an interval between filling and cap weld welding beads is not lower than 150 DEG C and is not higher than 200 DEG C, and welding heat input amount is controlled within 8-20KJ/cm. The method for welding high-grade wear-resistant steel under the protection of the carbon dioxide, disclosed by the invention, ensures that a welding joint has higher strength so that a welding bead has excellent anti-cracking performance, the welding joint has higher low-temperature impact toughness storage and safety margin, the construction condition is modified and the production cost is reduced.
Description
Technical field
The invention belongs to the ferrous materials welding technology field, relating to a kind of hardness rank is that the high-level abrasion-resistant stee carbon dioxide gas arc welding of HB500 level connects method.
Background technology
Along with China's infrastructure speed up the construction and to the enforcement of strategy to develop western regions; Industries such as cement building material, metallurgical mine, engineering machinery progressively rise to the demand of abrasion-resistant stee; The intensity of abrasion-resistant stee and the requirement of hardness are also trended towards higher level, and the high-level abrasion-resistant stee that wherein reaches HB500 with hardness is representative.Along with other raising of abrasion-resistant stee level; The content of carbon is also corresponding in the steel brings up to 0.24%～0.30%; And added the element that Cr, Mo, B etc. can improve quenching degree again, tendency of hardenability is bigger, under the welding condition of shock heating quenching; Very easily produce the martensitic structure of hardening, cause the generation of welding cold cracking and the embrittlement of welding heat affected zone.Be to guarantee the safe handling property of structure, often need be to reduce welding procedure efficient and to worsen execution conditions and make cost, promptly in higher weld preheating temperature and control under the higher interlayer temperature and weld.
Summary of the invention
Technical problem to be solved by this invention is; Shortcoming to above prior art exists proposes a kind of high-level abrasion-resistant stee carbon dioxide gas arc welding and connects method, has both guaranteed that welding point not only has higher-strength; And make weld seam have good cracking resistance; Joint also has higher low-temperature impact toughness deposit and margin of safety, and the condition of welding procedure simultaneously improves, and production cost reduces.
The technical scheme that the present invention solves above technical problem is:
A kind of high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and degree of selecting for use rank is the high-level wear-resisting steel plate of HB500 level, and its thickness is 25mm and following, and is identical thickness of slab combination butt joint; Select CO for use
2Gas shielded arc welding;
Selecting welding wire for use is a kind of in following two kinds of welding wires: the chemical constituent of first welding wire and percentage by weight are: 0.06%≤C≤0.15%; 1.40%≤Mn≤1.85%, 0.80%≤Si≤1.15%, P≤0.025%; S≤0.025%, surplus are Fe and unavoidable impurities; The chemical constituent of second welding wire and percentage by weight are: 0.07%≤C≤0.10%, 1.30%≤Mn≤1.80%, 0.40%≤Si＜0.80%; P≤0.013%, S≤0.005%, 0.20%≤Mo≤0.55%; 0.7%≤Ni≤0.9%, surplus are Fe and unavoidable impurities;
Iron rust and the greasy dirt in groove face and the peripheral 20mm scope removed in polishing before the weldering; When selecting said first welding wire and CO2 gas shielded arc welding for use; When fixing point butt welding and backing welding, preheat temperature is not less than 120 ℃, continuous welding before the welding; Temperature is 120 ℃～200 ℃ between filling and cap weld welding bead, and the sweating heat input quantity is controlled at 8～20KJ/cm during welding; When selecting said second welding wire and CO2 gas shielded arc welding for use; When fixing point butt welding and backing welding, preheat temperature is not less than 150 ℃, continuous welding before the welding; Temperature is 150 ℃～200 ℃ between filling and cap weld welding bead, and the sweating heat input quantity is controlled at 8～20KJ/cm during welding.
When concrete welding, owing to adopt conventional welding method, welding heat affected zone inevitably will produce martensite; And the used steel plates of structural member such as engineering, mining machinery are main with cut deal; Welding point adopts multi-pass welding, and the constraint stress of welding point is bigger, and the applicant shows the welding cold crack sensitivity result of the test of the high-level abrasion-resistant stee of HB500 level; For preventing the generation of welding cold cracking; When adopting above-mentioned first welding wire to weld, for the thick HB500 grade wear-resisting steel of thickness of slab≤25mm, preheat temperature should be not less than 120 ℃; When adopting the welding of second welding wire, for the thick NM500 abrasion-resistant stee of thickness of slab≤25mm, preheat temperature should be not less than 150 ℃.
The technical scheme that the present invention further limits is:
Aforesaid high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and the gas shielded arc welding groove adopts symmetry or asymmetric X type groove, and bevel angle is 60, and groove gap is 0～1mm, and root face is 0～1mm.
Aforesaid high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, selects first welding wire and CO for use
2During gas shielded arc welding, welding condition: 200A～300A, arc voltage 22V～32V, speed of welding 30 cm/min～40cm/min; Select second welding wire and CO for use
2During gas shielded arc welding, welding condition: 200A～300A, arc voltage 22V～32V, speed of welding 30 cm/min～40cm/min.
Aforesaid high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, first welding wire tensile strength Rm >=500MPa; Second welding wire tensile strength Rm >=690MPa.
Aforesaid high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and the chemical constituent of first welding wire and percentage by weight are: C:0.06%, and Mn:1.85%, Si:0.80%, P:0.025%, S:0.025%, surplus is Fe and unavoidable impurities; The chemical constituent of second welding wire and percentage by weight are: C:0.10%, and Mn:1.30%, Si:0.40%, P:0.013%, S:0.005%, Mo:0.20%, Ni:0.9%, surplus is Fe and unavoidable impurities.
Aforesaid high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and the chemical constituent of first welding wire and percentage by weight are: C:0.15%, and Mn:1.40%, Si:1.15%, P:0.020%, S:0.020%, surplus is Fe and unavoidable impurities; The chemical constituent of second welding wire and percentage by weight are: C:0.07%, and Mn:1.80%, Si:0.80%, P:0.010%, S:0.003%, Mo:0.55%, Ni:0.7%, surplus is Fe and unavoidable impurities.
Aforesaid high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and the chemical constituent of first welding wire and percentage by weight are: C:0.10%, and Mn:1.55%, Si:0.95%, P:0.015%, S:0.010%, surplus is Fe and unavoidable impurities; The chemical constituent of second welding wire and percentage by weight are: C:0.08%, and Mn:1.50%, Si:0.60%, P:0.009%, S:0.002%, Mo:0.30%, Ni:0.8%, surplus is Fe and unavoidable impurities.
The invention has the beneficial effects as follows: the present invention adopts CO
2Gas shielded arc welding, welding material be according to low strong matching principle, and (tensile strength Rm>=500MPa or Rm>=690MP) weld high-level abrasion-resistant stee to select two kinds of other welding wires of different intensity scale respectively for use; Satisfied different working conditions to welding point different mechanical performance requirement, with lower preheating temperature, postwelding is not heat-treated before the weldering; The anti-cold crack sensitiveness of welding point and the toughness and the plasticity of welding point both can have been improved; Especially impact flexibility is greatly improved, and-20 ℃ of ballistic works of weld metal and heat affected area have guaranteed that greater than 27J the comprehensive mechanical performance of the high-level abrasion-resistant stee welding point of HB500 level satisfies different designing requirements; And the welding process is simple relatively; Improved welding production efficiency, improved the welding procedure condition, reduced production costs.
The specific embodiment
Embodiment 1
A kind of high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and degree of selecting for use rank is the high-level wear-resisting steel plate of HB500 level, and its thickness is 25mm, and slab is combined as 25mm+25mm.Test plate (panel) is of a size of 450mm * 400mm * 25mm;
The chemical constituent of welding wire and percentage by weight are: C:0.06%, and Mn:1.85%, Si:0.80%, P:0.025%, S:0.025%, surplus is Fe and unavoidable impurities;
The gas shielded arc welding groove adopts asymmetric two-sided X type groove, and bevel angle is 60, and groove gap is 1mm, and root face is 0mm;
Iron rust and the greasy dirt in groove face and the peripheral 20mm scope removed in polishing before the weldering;
When fixing point butt welding and backing welding, preheat temperature is 120 ℃ before the welding, and the preheating scope is no less than in each 75mm scope of bevel for welding both sides;
Welding condition: welding current 200A, arc voltage 22V, speed of welding 30cm/min; Sweating heat input quantity 8KJ/cm; To thickness is that 25mm+25mm combined steel plate gas shielded arc welding banjo fixing butt jointing adopts multilayer multiple tracks continuous sequence, and till weld seam filled up, its welding bead interlayer temperature was 120 ℃.
Through the high-level wear-resisting steel plate banjo fixing butt jointing mechanical property that adopts above-mentioned welding method welding is detected; Its joint mechanical property is: tensile strength Rm:740MPa; Fracture position: weld seam, joint clod wash d=4a, 90 is qualified; Weld metal-20 ℃ ballistic work AKv:90J, the outer ℃ ballistic work AKv:142J of 1mm place-20 of heat affected area melt run.
Embodiment 2
A kind of high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and degree of selecting for use rank is the high-level wear-resisting steel plate of HB500 level, and its thickness is 25mm, and slab is combined as 25mm+25mm.Test plate (panel) is of a size of 450mm * 400mm * 25mm;
The chemical constituent of welding wire and percentage by weight are: C:0.15%, and Mn:1.40%, Si:1.15%, P:0.020%, S:0.020%, surplus is Fe and unavoidable impurities;
The gas shielded arc welding groove adopts asymmetric two-sided X type groove, and bevel angle is 60, and groove gap is 0.5mm, and root face is 0.5mm;
Iron rust and the greasy dirt in groove face and the peripheral 20mm scope removed in polishing before the weldering;
When fixing point butt welding and backing welding, preheat temperature is 120 ℃ before the welding, and the preheating scope is no less than in each 75mm scope of bevel for welding both sides;
Welding condition: welding current 270A; Arc voltage 30V; Speed of welding 33cm/min, sweating heat input quantity 14KJ/cm is that 25mm+25mm combined steel plate gas shielded arc welding banjo fixing butt jointing adopts multilayer multiple tracks continuous sequence to thickness; Till weld seam filled up, its weld seam interlayer temperature was 150 ℃.
Through the high-level wear-resisting steel plate banjo fixing butt jointing mechanical property that adopts above-mentioned welding method welding is detected; Its joint mechanical property is: tensile strength Rm:730MPa; Fracture position: weld seam, joint clod wash d=4a, 90 is qualified; Weld metal-20 ℃ ballistic work AKv:86J, the outer ℃ ballistic work AKv:152J of 1mm place-20 of heat affected area melt run.
Embodiment 3
A kind of high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and degree of selecting for use rank is the high-level wear-resisting steel plate of HB500 level, and its thickness is 25mm, and slab is combined as 25mm+25mm.Test plate (panel) is of a size of 450mm * 400mm * 25mm;
The chemical constituent of welding wire and percentage by weight are: C:0.10%, and Mn:1.55%, Si:0.95%, P:0.015%, S:0.010%, surplus is Fe and unavoidable impurities;
The gas shielded arc welding groove adopts asymmetric two-sided X type groove, and bevel angle is 60, and groove gap is 1mm, and root face is 0.5mm;
Iron rust and the greasy dirt in the weld seam periphery 20mm scope removed in polishing before the weldering;
When fixing point butt welding and backing welding, preheat temperature is 120 ℃ before the welding, and the preheating scope is no less than in each 75mm scope of bevel for welding both sides;
Welding condition: welding current 300A; Arc voltage 32V; Speed of welding 30cm/min, sweating heat input quantity 20KJ/cm is that 25mm+25mm combined steel plate gas shielded arc welding banjo fixing butt jointing adopts multilayer multiple tracks continuous sequence to thickness; Till weld seam filled up, its welding bead interlayer temperature was 200 ℃.
Through the high-level wear-resisting steel plate banjo fixing butt jointing mechanical property that adopts above-mentioned welding method welding is detected; Its joint mechanical property is: tensile strength Rm:750MPa; Fracture position: weld seam, joint clod wash d=4a, 90 is qualified; Weld metal-20 ℃ ballistic work AKv:75J, the outer ℃ ballistic work AKv:129J of 1mm place-20 of heat affected area melt run.
Embodiment 4
A kind of high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and degree of selecting for use rank is the high-level wear-resisting steel plate of HB500 level, and its thickness is 25mm, and slab is combined as 25mm+25mm.Test plate (panel) is of a size of 450mm * 400mm * 25mm;
The chemical constituent of welding wire and percentage by weight are: C:0.10%, and Mn:1.30%, Si:0.40%, P:0.013%, S:0.005%, Mo:0.20%, Ni:0.9%, surplus is Fe and unavoidable impurities.
The gas shielded arc welding groove adopts asymmetric two-sided X type groove, and bevel angle is 60, and groove gap is 1mm, and root face is 0mm;
Iron rust and the greasy dirt in the weld seam periphery 20mm scope removed in polishing before the weldering;
When fixing point butt welding and backing welding, preheat temperature is 150 ℃ before the welding, and the preheating scope is no less than in each 75mm scope of bevel for welding both sides;
Welding condition: welding current 200A, arc voltage 22V, speed of welding 30cm/min, sweating heat input quantity 8KJ/cm; To thickness is that 25mm+25mm combination wear-resisting steel plate gas shielded arc welding banjo fixing butt jointing adopts multilayer multiple tracks continuous sequence, till weld seam fills up, and 150 ℃ of its weld seam interlayer temperatures.
Through the high-level wear-resisting steel plate NM500 banjo fixing butt jointing mechanical property that adopts above-mentioned welding method welding is detected; Its joint mechanical property is: tensile strength Rm:890MPa; Fracture position: weld seam; Joint clod wash d=4a, 90 is qualified, the outer ℃ ballistic work AKv:136J of 1mm place-20 of heat affected area melt run.
Embodiment 5
A kind of high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and degree of selecting for use rank is the high-level wear-resisting steel plate of HB500 level, and its thickness is 25mm, and slab is combined as 25mm+25mm.Test plate (panel) is of a size of 450mm * 400mm * 25mm;
The chemical constituent of welding wire and percentage by weight are: C:0.07%, and Mn:1.80%, Si:0.80%, P:0.010%, S:0.003%, Mo:0.55%, Ni:0.7%, surplus is Fe and unavoidable impurities.
The gas shielded arc welding groove adopts asymmetric two-sided X type groove, and bevel angle is 60, and groove gap is 0.5mm, and root face is 0.5mm;
Iron rust and the greasy dirt in the weld seam periphery 20mm scope removed in polishing before the weldering;
When fixing point butt welding and backing welding, preheat temperature is 150 ℃ before the welding, and the preheating scope is no less than in each 75mm scope of bevel for welding both sides;
Welding condition: welding current 300A, arc voltage 32V, speed of welding 40cm/min, sweating heat input quantity 14KJ/cm; To thickness is that 25mm+25mm combination wear-resisting steel plate gas shielded arc welding banjo fixing butt jointing adopts multilayer multiple tracks continuous sequence, till weld seam fills up, and 170 ℃ of its weld seam interlayer temperatures.
Through the high-level wear-resisting steel plate NM500 banjo fixing butt jointing mechanical property that adopts above-mentioned welding method welding is detected; Its joint mechanical property is: tensile strength Rm:897MPa; Fracture position: weld seam; Joint clod wash d=4a, 90 is qualified, the outer ℃ ballistic work AKv:147J of 1mm place-20 of heat affected area melt run.
Embodiment 6
A kind of high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, and degree of selecting for use rank is the high-level wear-resisting steel plate of HB500 level, and its thickness is 25mm, and slab is combined as 25mm+25mm.Test plate (panel) is of a size of 450mm * 400mm * 25mm;
The chemical constituent of welding wire and percentage by weight are: C:0.08%, and Mn:1.50%, Si:0.60%, P:0.009%, S:0.002%, Mo:0.30%, Ni:0.8%, surplus is Fe and unavoidable impurities.
The gas shielded arc welding groove adopts asymmetric two-sided X type groove, and bevel angle is 60, and groove gap is 1mm, and root face is 1mm;
Iron rust and the greasy dirt in the weld seam periphery 20mm scope removed in polishing before the weldering;
When fixing point butt welding and backing welding, preheat temperature is 150 ℃ before the welding, and the preheating scope is no less than in each 75mm scope of bevel for welding both sides;
Welding condition: welding current 300A, arc voltage 32V, speed of welding 30cm/min, sweating heat input quantity 20KJ/cm; To thickness is that 25mm+25mm combination wear-resisting steel plate gas shielded arc welding banjo fixing butt jointing adopts multilayer multiple tracks continuous sequence, till weld seam fills up, and 200 ℃ of its welding bead interlayer temperatures.
Through the high-level wear-resisting steel plate NM500 banjo fixing butt jointing mechanical property that adopts above-mentioned welding method welding is detected; Its joint mechanical property is: tensile strength Rm:890MPa; Fracture position: weld seam; Joint clod wash d=4a, 90 is qualified, the outer ℃ ballistic work AKv:128J of 1mm place-20 of heat affected area melt run.
Except that the foregoing description, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1. a high-level abrasion-resistant stee carbon dioxide gas arc welding connects method, it is characterized in that:
Selecting hardness degree rank for use is the high-level wear-resisting steel plate of HB500 level, and its thickness is 25mm and following, and is identical thickness of slab combination butt joint;
Select the CO2 gas shielded arc welding for use;
Selecting welding wire for use is a kind of in following two kinds of welding wires:
The chemical constituent of first welding wire and percentage by weight are: 0.06%≤C≤0.15%, 1.40%≤Mn≤1.85%, 0.80%≤Si≤1.15%, and P≤0.025%, S≤0.025%, surplus is Fe and unavoidable impurities;
The chemical constituent of second welding wire and percentage by weight are: 0.07%≤C≤0.10%, 1.30%≤Mn≤1.80%, 0.40%≤Si＜0.80%; P≤0.013%, S≤0.005%, 0.20%≤Mo≤0.55%; 0.7%≤Ni≤0.9%, surplus are Fe and unavoidable impurities;
Iron rust and the greasy dirt in groove face and the peripheral 20mm scope removed in polishing before the weldering;
Select said first welding wire and CO for use
2During gas shielded arc welding, when fixing point butt welding and backing welding, preheat temperature is not less than 120 ℃ before the welding, continuous welding, and temperature is 120 ℃～200 ℃ between filling and cap weld welding bead, the sweating heat input quantity is controlled at 8～20KJ/cm during welding;
Select said second welding wire and CO for use
2During gas shielded arc welding, when fixing point butt welding and backing welding, preheat temperature is not less than 150 ℃ before the welding, continuous welding, and temperature is 150 ℃～200 ℃ between filling and cap weld welding bead, the sweating heat input quantity is controlled at 8～20KJ/cm during welding.
2. high-level abrasion-resistant stee carbon dioxide gas arc welding as claimed in claim 1 connects method, it is characterized in that: the gas shielded arc welding groove adopts symmetry or asymmetric X type groove, and bevel angle is 60, and groove gap is 0～1mm, and root face is 0～1mm.
3. high-level abrasion-resistant stee carbon dioxide gas arc welding as claimed in claim 1 connects method, it is characterized in that: select said first welding wire and CO for use
2During gas shielded arc welding, welding condition: welding current 200A～300A, arc voltage 22V～32V, speed of welding 30 cm/min～40cm/min;
Select said second welding wire and CO for use
2During gas shielded arc welding, welding condition: meet electric current 200A～300A, arc voltage 22V～32V, speed of welding 30 cm/min～40cm/min.
4. high-level abrasion-resistant stee carbon dioxide gas arc welding as claimed in claim 1 connects method, it is characterized in that: said first welding wire tensile strength Rm >=500MPa; Said second welding wire tensile strength Rm >=690MPa.
5. connect method like the described high-level abrasion-resistant stee carbon dioxide gas arc welding of arbitrary claim among the claim 1-4; It is characterized in that: the chemical constituent of said first welding wire and percentage by weight are: C:0.06%; Mn:1.85%, Si:0.80%, P:0.025%; S:0.025%, surplus is Fe and unavoidable impurities;
The chemical constituent of said second welding wire and percentage by weight are: C:0.10%, and Mn:1.30%, Si:0.40%, P:0.013%, S:0.005%, Mo:0.20%, Ni:0.9%, surplus is Fe and unavoidable impurities.
6. connect method like the described high-level abrasion-resistant stee carbon dioxide gas arc welding of arbitrary claim among the claim 1-4; It is characterized in that: the chemical constituent of said first welding wire and percentage by weight are: C:0.15%; Mn:1.40%, Si:1.15%, P:0.020%; S:0.020%, surplus is Fe and unavoidable impurities;
The chemical constituent of said second welding wire and percentage by weight are: C:0.07%, and Mn:1.80%, Si:0.80%, P:0.010%, S:0.003%, Mo:0.55%, Ni:0.7%, surplus is Fe and unavoidable impurities.
7. connect method like the described high-level abrasion-resistant stee carbon dioxide gas arc welding of arbitrary claim among the claim 1-4; It is characterized in that: the chemical constituent of said first welding wire and percentage by weight are: C:0.10%; Mn:1.55%, Si:0.95%, P:0.015%; S:0.010%, surplus is Fe and unavoidable impurities;
The chemical constituent of said second welding wire and percentage by weight are: C:0.08%, and Mn:1.50%, Si:0.60%, P:0.009%, S:0.002%, Mo:0.30%, Ni:0.8%, surplus is Fe and unavoidable impurities.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227180A (en) * | 2014-09-23 | 2014-12-24 | 重庆舸海机电有限公司 | Welding method for NM400 wear-resistant steel |
| CN104561786A (en) * | 2015-01-05 | 2015-04-29 | 河北钢铁股份有限公司承德分公司 | Hot rolled wire rod for 600 MPa-grade high-strength welding and production method for hot rolled wire rod |
| CN104999168A (en) * | 2015-07-09 | 2015-10-28 | 安徽金阳金属结构工程有限公司 | Submerged-arc welding process for 16MnDR steel plate with a thickness of 30 mm |
| CN105014188A (en) * | 2015-07-09 | 2015-11-04 | 安徽金阳金属结构工程有限公司 | Manual arc welding process of 30-mm-thick 16MnDR steel plates |
| CN105033417A (en) * | 2015-07-09 | 2015-11-11 | 安徽金阳金属结构工程有限公司 | X80 steel pipe welding process |
| CN109986230A (en) * | 2019-02-19 | 2019-07-09 | 江阴兴澄特种钢铁有限公司 | A kind of welding procedure of high Ti wear-resisting steel plate of the thickness greater than 25mm |
| CN112222677A (en) * | 2020-09-17 | 2021-01-15 | 邯郸钢铁集团有限责任公司 | Welding material for low-alloy wear-resistant steel NM360 and welding method |
| CN113399864A (en) * | 2021-08-05 | 2021-09-17 | 河北省特种设备监督检验研究院 | Welding method and welding wire for T91 and TP347H dissimilar steels |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100814239B1 (en) * | 2007-01-09 | 2008-03-17 | 이상진 | Method of making wear resistant welding clad plate |
| CN101596639A (en) * | 2009-06-29 | 2009-12-09 | 湘潭电机股份有限公司 | A kind of welding method of high-strength wear-resistant steel plate vehicle hopper and the structure that is welded |
| CN102049597A (en) * | 2011-01-07 | 2011-05-11 | 南京钢铁股份有限公司 | Argon-enriched mixed gas protection welding method for high-strength abrasion-resistant steel |
-
2012
- 2012-04-09 CN CN201210105192.3A patent/CN102632320B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100814239B1 (en) * | 2007-01-09 | 2008-03-17 | 이상진 | Method of making wear resistant welding clad plate |
| CN101596639A (en) * | 2009-06-29 | 2009-12-09 | 湘潭电机股份有限公司 | A kind of welding method of high-strength wear-resistant steel plate vehicle hopper and the structure that is welded |
| CN102049597A (en) * | 2011-01-07 | 2011-05-11 | 南京钢铁股份有限公司 | Argon-enriched mixed gas protection welding method for high-strength abrasion-resistant steel |
Non-Patent Citations (2)
| Title |
|---|
| 张强勇等: "Hardox400耐磨钢的焊接", 《电焊机》 * |
| 秦恒宝等: "耐磨钢NM360的焊接工艺介绍", 《煤炭技术》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227180A (en) * | 2014-09-23 | 2014-12-24 | 重庆舸海机电有限公司 | Welding method for NM400 wear-resistant steel |
| CN104561786A (en) * | 2015-01-05 | 2015-04-29 | 河北钢铁股份有限公司承德分公司 | Hot rolled wire rod for 600 MPa-grade high-strength welding and production method for hot rolled wire rod |
| CN104999168A (en) * | 2015-07-09 | 2015-10-28 | 安徽金阳金属结构工程有限公司 | Submerged-arc welding process for 16MnDR steel plate with a thickness of 30 mm |
| CN105014188A (en) * | 2015-07-09 | 2015-11-04 | 安徽金阳金属结构工程有限公司 | Manual arc welding process of 30-mm-thick 16MnDR steel plates |
| CN105033417A (en) * | 2015-07-09 | 2015-11-11 | 安徽金阳金属结构工程有限公司 | X80 steel pipe welding process |
| CN109986230A (en) * | 2019-02-19 | 2019-07-09 | 江阴兴澄特种钢铁有限公司 | A kind of welding procedure of high Ti wear-resisting steel plate of the thickness greater than 25mm |
| CN112222677A (en) * | 2020-09-17 | 2021-01-15 | 邯郸钢铁集团有限责任公司 | Welding material for low-alloy wear-resistant steel NM360 and welding method |
| CN113399864A (en) * | 2021-08-05 | 2021-09-17 | 河北省特种设备监督检验研究院 | Welding method and welding wire for T91 and TP347H dissimilar steels |
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