CN102000926A - Wear resistant surfacing solid welding wire containing chromium-molybdenum-vanadium alloy - Google Patents
Wear resistant surfacing solid welding wire containing chromium-molybdenum-vanadium alloy Download PDFInfo
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Abstract
The invention discloses a wear resistant surfacing solid welding wire, particularly relating to the surfacing solid welding wire containing a chromium-molybdenum-vanadium alloy. The wear resistant surfacing solid welding wire contains the following elements: 0.50-0.65% of C, not more than 0.75% of Si, not more than 1.00% of Mn, 14.00-16.00% of Cr, 0.50-0.90% of Mo, 0.30-0.90% of Ni, 0.10-0.40% of V and 79.4-84.1% of Fe. The other wear resistant surfacing solid welding wire contains the following elements: 0.40-0.50% of C, not more than 0.75% of Si, not more than 1.00% of Mn, 14.00-16.00% of Cr, 0.50-0.90% of Mo, 0.30-0.90% of Ni, 0.10-0.40% of V and 79.75-84.2% of Fe. The wear resistant surfacing solid welding wire is widely applied to surfacing repair after parts abrasion in petroleum and mine drilling machinery, metallurgical machinery, engineering machinery and an electric power system; and the solid welding wire after surfacing can reach high surface hardness of HRC48-54 and has stable performances.
Description
Technical field
The present invention relates to the hardfacing solid core welding wire, particularly contain the built-up welding solid core welding wire of chrome molybdenum vanadium alloy, belong to the hardfacing materials technical field.
Background technology:
In oil mine boring mechanic, metallurgical machinery, engineering machinery, power system, science of bridge building and capital construction, using big machinery in a large number for a long time, for the wearing and tearing of expensive parts, adopt build-up welding repair method usually with the abrading section reparation.For example: the cold-rolled steel factory in the metallurgical system, hot-strip factory, the medium plate mill, the roll that band steel factory uses, producer reduces cost in order to reduce the roll loss, as long as roll is continuous, all to carry out the built-up welding reparation and use repeatedly, the hardness of this overlay cladding after to welding wire built-up welding, toughness and wearability and use cost etc. have proposed more and more higher requirement.
Present widely used bead welding wire mainly is to adopt flux cored wire and common solid core welding wire.
Flux cored wire be wrap in after mixing by multiple alloy powder thin steel band involute circular roll to dial process, it is so-called flux-cored wire, because technology is simple relatively, it is inhomogeneous that it mix to stir and make in the process composition, the surfacing hardness deviation is big, overlay cladding peels off easily a series of recurrent problems such as situation, and it is expensive relatively to add the adapted solder flux, makes the built-up welding cost higher relatively.
Solid core welding wire is to reroll into wire rod by electric arc refining more than 40 tons, processes through drawing to dial, and composition deviation ratio flux cored wire is little, thereby the surfacing hardness difference is also little.But the solid core welding wire of existing application such as 2Cr13,3Cr13,4Cr13 be in actual built-up welding, and repair layer case hardness is the highest can only reach HRC48 for it, and its durability is also on the low side relatively, can't satisfy the hardness requirement that the backing roll built-up welding is repaired.
Summary of the invention:
The object of the invention provides two kinds, and chemical composition stability, the difference of hardness that is used for the deposited metal layer is little, the built-up welding cost is low, overlay cladding has the more hardfacing solid core welding wire material of high tenacity and durability.
Technical scheme of the present invention is:
A kind of hardfacing solid core welding wire that contains the chrome molybdenum vanadium alloy contains at this solid core welding wire:
Carbon C 0.50～0.65%, silicon Si≤0.75%, manganese Mn≤1.00%,
Chromium Cr 14.00～16.00%, molybdenum Mo 0.50～0.90%, nickel 0.30～0.90%,
Vanadium V 0.10～0.40%, iron Fe 79.40～84.10%.
Second kind of hardfacing solid core welding wire that contains the chrome molybdenum vanadium alloy contains at this solid core welding wire:
Carbon C 0.40～0.50%, silicon Si≤0.75%, manganese Mn≤1.00%,
Chromium Cr 14.00～16.00%, molybdenum Mo 0.50～0.90%, nickel 0.30～0.90%,
Vanadium V 0.10～0.40%, iron Fe 79.75～84.20%.
Beneficial effect: the selection of welding stick original material material will be according to by the kind of welding steel material, the quality requirement of welding assembly, and the welding procedure condition, costs etc. are taken all factors into consideration.Hardness reaches HRC48～54 and the low-cost solder flux of adapted after considering built-up welding, and the present invention determines to adopt the martensite type heat-resisting alloy chrome molybdenum vanadium series of wearability, obdurability and Heat stability is good.In above-mentioned prescription, the content influence of C and Cr is to the essential element of hardness, and the content of Mo mainly is the toughness of improving overlay cladding, and the content of V plays the effect of crystal grain thinning, improves peeling phenomenon.The Ni content that adds can improve the thermal fatigue property of metal, but add too much Ni less than 1% o'clock, not only significantly reduced transformation temperature (AC1), influenced heat resistance, and also unfavorable to wearability.The chemical composition of the present invention and flux cored wire and other solid core welding wire and performance compare: see Table 1.This hardfacing is widely used in oil mine boring mechanic with solid core welding wire, metallurgical machinery, and engineering machinery, power system, the built-up welding reparation behind the parts wear, the case hardness after its built-up welding can reach HRC48～54, stable performance.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.
First kind contains chrome molybdenum vanadium alloy hardfacing solid core welding wire, contains at this solid core welding wire:
Carbon C 0.50～0.65%, silicon Si≤0.75%, manganese Mn≤1.00%,
Chromium Cr 14.00～16.00%, molybdenum Mo 0.50～0.90%, nickel 0.30～0.90%,
Vanadium V 0.10～0.40%, iron Fe 79.40～84.10%.
Embodiment 1
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.52%, silicon Si 0.38%, manganese Mn 0.37%,
Chromium Cr 14.18%, molybdenum Mo 0.52%, nickel 0.35%,
Vanadium V 0.12%, iron Fe 83.56%.
Hardness HRC is after three layers of the built-up welding: 52.
Embodiment 2
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.55%, silicon Si 0.43%, manganese Mn 0.47%,
Chromium Cr 14.29%, molybdenum Mo 0.52%, nickel 0.40%,
Vanadium V 0.13%, iron Fe 83.21%.
Hardness HRC is after three layers of the built-up welding: 53.
Embodiment 3
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.50%, silicon Si 0.6%, manganese Mn 0.80%,
Chromium Cr 14.00%, molybdenum Mo 0.54%, nickel 0.40%,
Vanadium V 0.15%, iron Fe 83.01%.
Hardness HRC is after three layers of the built-up welding: 53.
Embodiment 4
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.64%, silicon Si 0.41%, manganese Mn 0.80%,
Chromium Cr 16.00%, molybdenum Mo 0.50%, nickel 0.50%,
Vanadium V 0.10%, iron Fe 81.05%.
Hardness HRC is after three layers of the built-up welding: 52.
Embodiment 5
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.65%, silicon Si 0.50%, manganese Mn 0.75%,
Chromium Cr 14.25%, molybdenum Mo 0.90%, nickel 0.65%,
Vanadium V 0.15%, iron Fe 82.15%.
Hardness HRC is after three layers of the built-up welding: 54.
Embodiment 6
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.62%, silicon Si 0.54%, manganese Mn 0.82%,
Chromium Cr 15.15%, molybdenum Mo 0.72%, nickel 0.30%,
Vanadium V 0.40%, iron Fe 81.45%.
Hardness HRC is after three layers of the built-up welding: 54.
Embodiment 7
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.65%, silicon Si 0.75%, manganese Mn 1.00%,
Chromium Cr 16.00%, molybdenum Mo 0.90%, nickel 0.90%,
Vanadium V 0.40%, iron Fe 79.40%.
Hardness HRC is after three layers of the built-up welding: 53.
Embodiment 8
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.50%, silicon Si 0.12%, manganese Mn 0.32%,
Chromium Cr 14.01%, molybdenum Mo 0.51%, nickel 0.32%,
Vanadium V 0.12%, iron Fe 84.10%.
Hardness HRC is after three layers of the built-up welding: 53.
Second kind of hardfacing solid core welding wire that contains the chrome molybdenum vanadium alloy contains at this solid core welding wire:
Carbon C 0.40～0.50%, silicon Si≤0.75%, manganese Mn≤1.00%,
Chromium Cr 14.00～16.00%, molybdenum Mo 0.50～0.90%, nickel 0.30～0.90%,
Vanadium V 0.10～0.40%, iron Fe 79.75～84.2%.
Embodiment 1
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.46%, silicon Si 0.48%, manganese Mn 0.49%,
Chromium Cr 14.55%, molybdenum Mo 0.53%, nickel 0.29%,
Vanadium V 0.12%, iron Fe 83.08%.
Hardness HRC is after three layers of the built-up welding: 50.
Embodiment 2
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.45%, silicon Si 0.41%, manganese Mn 0.54%,
Chromium Cr 14.50%, molybdenum Mo 0.50%, nickel 0.30%,
Vanadium V 0.10%, iron Fe 83.20%.
Hardness HRC is after three layers of the built-up welding: 49.
Embodiment 3
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.50%, silicon Si 0.6%, manganese Mn 0.80%,
Chromium Cr 14.00%, molybdenum Mo 0.56%, nickel 0.39%,
Vanadium V 0.15%, iron Fe 83.00%.
Hardness HRC is after three layers of the built-up welding: 53.
Embodiment 4
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.40%, silicon Si 0.41%, manganese Mn 0.80%,
Chromium Cr 16.00%, molybdenum Mo 0.50%, nickel 0.50%,
Vanadium V 0.10%, iron Fe 81.29%.
Hardness HRC is after three layers of the built-up welding: 52.
Embodiment 5
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.42%, silicon Si 0.11%, manganese Mn 0.10%,
Chromium Cr 14.02%, molybdenum Mo 0.53%, nickel 0.32%,
Vanadium V 0.12%, iron Fe 84.38%.
Hardness HRC is after three layers of the built-up welding: 54.
Embodiment 6
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.48%, silicon Si 0.60%, manganese Mn 0.42%,
Chromium Cr 15.88%, molybdenum Mo 0.78%, nickel 0.41%,
Vanadium V 0.38%, iron Fe 81.05%.
Hardness HRC is after three layers of the built-up welding: 54.
Embodiment 7
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.46%, silicon Si 0.75%, manganese Mn 0.84%,
Chromium Cr 16.00%, molybdenum Mo 0.90%, nickel 0.90%,
Vanadium V 0.40%, iron Fe 79.75%.
Hardness HRC is after three layers of the built-up welding: 52.
Embodiment 8
Contain the hardfacing solid core welding wire of chrome molybdenum vanadium alloy, contain at this solid core welding wire:
Carbon C 0.50%, silicon Si 0.12%, manganese Mn 0.32%,
Chromium Cr 14.01%, molybdenum Mo 0.51%, nickel 0.32%,
Vanadium V 0.12%, iron Fe 84.10%.
Hardness HRC is after three layers of the built-up welding: 53.
In above-mentioned prescription, the content of C and Cr is the essential element that has influence on hardness, and the content of Mo mainly is the toughness of improving overlay cladding, and the content of V plays the effect of crystal grain thinning, improves peeling phenomenon.The Ni content that adds can improve the thermal fatigue property of metal, but add too much Ni less than 1% o'clock, not only significantly reduced transformation temperature (AC1), influenced heat resistance, and also unfavorable to wearability.
Preparation method of the present invention is: select high-quality steel scrap and ferroalloy, through ultra high electric arc furnace, produce Φ 5.5 annealing wire rods through high accuracy alloy steel rod wire tandem rolling machine again and (coil heavy by 1000～1400kg).Press special producing technology through drawing mill again, be processed into the final products of Φ 2.0～Φ 5.0.
Through constantly groping and testing, adopt various hardfacing solid core welding wires that prescription of the present invention makes in the middle of practical application, compare with the solid core welding wire of prior art, the hardness of overlay cladding strengthens, durability significantly improves, and has also overcome flux cored wire composition instability simultaneously, and the roll surface difference of hardness is big, built-up welding cost height, overlay cladding peel off a series of recurrent problems such as situation easily.
The chemical composition of table 1 the present invention and flux cored wire and other solid core welding wire and performance are relatively
The combination property of table 2 solid core welding wire of the present invention and flux cored wire relatively
Claims (2)
1. hardfacing solid core welding wire that contains the chrome molybdenum vanadium alloy is characterized in that containing at this solid core welding wire:
Carbon C 0.50～0.65%, silicon Si≤0.75%, manganese Mn≤1.00%,
Chromium Cr 14.00～16.00%, molybdenum Mo 0.50～0.90%, nickel 0.30～0.90%,
Vanadium V 0.10～0.40%, iron Fe 79.4～84.1%.
2. hardfacing solid core welding wire that contains the chrome molybdenum vanadium alloy is characterized in that containing at this solid core welding wire:
Carbon C 0.40～0.50%, silicon Si≤0.75%, manganese Mn≤1.00%,
Chromium Cr 14.00～16.00%, molybdenum Mo 0.50～0.90%, nickel 0.30～0.90%,
Vanadium V 0.10～0.40%, iron Fe 79.75～84.2%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010605246 CN102000926A (en) | 2010-12-26 | 2010-12-26 | Wear resistant surfacing solid welding wire containing chromium-molybdenum-vanadium alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010605246 CN102000926A (en) | 2010-12-26 | 2010-12-26 | Wear resistant surfacing solid welding wire containing chromium-molybdenum-vanadium alloy |
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| CN102000926A true CN102000926A (en) | 2011-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788514A (en) * | 2019-10-28 | 2020-02-14 | 鞍钢股份有限公司 | Submerged arc welding wire steel wire rod for roll build-up welding and manufacturing method thereof |
| CN111918748A (en) * | 2018-03-27 | 2020-11-10 | 奥钢联汽车零部件林茲股份有限公司 | Welding method of coated steel plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160619A (en) * | 1996-03-25 | 1997-10-01 | 吕家琈 | Bead welding wire for welding hot-work die |
| CN101077554A (en) * | 2006-05-24 | 2007-11-28 | 首钢总公司 | Half steel roller submerged arc building-up flux-cored wire |
-
2010
- 2010-12-26 CN CN 201010605246 patent/CN102000926A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160619A (en) * | 1996-03-25 | 1997-10-01 | 吕家琈 | Bead welding wire for welding hot-work die |
| CN101077554A (en) * | 2006-05-24 | 2007-11-28 | 首钢总公司 | Half steel roller submerged arc building-up flux-cored wire |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918748A (en) * | 2018-03-27 | 2020-11-10 | 奥钢联汽车零部件林茲股份有限公司 | Welding method of coated steel plate |
| CN110788514A (en) * | 2019-10-28 | 2020-02-14 | 鞍钢股份有限公司 | Submerged arc welding wire steel wire rod for roll build-up welding and manufacturing method thereof |
| CN110788514B (en) * | 2019-10-28 | 2021-12-24 | 鞍钢股份有限公司 | Submerged arc solid welding wire steel wire rod for roll build-up welding and manufacturing method thereof |
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Application publication date: 20110406 |