CN109865958A - A kind of stainless steel steel welding wire and preparation method thereof suitable for ocean engineering - Google Patents
A kind of stainless steel steel welding wire and preparation method thereof suitable for ocean engineering Download PDFInfo
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- CN109865958A CN109865958A CN201910126053.0A CN201910126053A CN109865958A CN 109865958 A CN109865958 A CN 109865958A CN 201910126053 A CN201910126053 A CN 201910126053A CN 109865958 A CN109865958 A CN 109865958A
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- stainless steel
- ocean engineering
- steel welding
- welding wire
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- 238000003466 welding Methods 0.000 title claims abstract description 50
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 35
- 239000010935 stainless steel Substances 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 title claims description 13
- 239000010959 steel Substances 0.000 title claims description 13
- 238000002360 preparation method Methods 0.000 title claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 14
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 14
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 14
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 13
- 239000004615 ingredient Substances 0.000 claims abstract description 8
- 239000011651 chromium Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
- 238000007872 degassing Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 24
- 238000005260 corrosion Methods 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 18
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 9
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 238000009864 tensile test Methods 0.000 description 9
- 238000012876 topography Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of stainless steel welding sticks suitable for ocean engineering, its chemical component is by mass percentage are as follows: C≤0.08%, N:0.50~0.80%, Mn:16.50~17.50%, Cr:20.00~22.00%, Ni:2.00~2.50%, Mo:3.50~4.50%, Si:0.55~0.95%, S≤0.01%, P≤0.02%, surplus Fe.The present invention has obtained the stainless steel welding stick suitable for ocean engineering by the method for control element ingredient, and weld seam is still able to maintain good corrosion resistance and mechanical property under prolonged marine environment.
Description
Technical field
The present invention relates to welding material of metal correlative technology field, in particular to a kind of stainless steel suitable for ocean engineering
Steel welding wire and preparation method thereof.
Background technique
China possesses marine resources abundant and booming marine industries, but marine environment is very harsh and has
Strong corrosive, therefore, marine corrosion and protection are to be badly in need of conscientiously solving the problems, such as in China's economic development.Marine environment is a kind of
Complicated corrosive environment, in this environment, seawater itself are a kind of strong corrosive mediums, while wave, wave, tide, stream are again to gold
Metal elements generate low frequency toward combined stress and impact, in addition marine microorganism, aufwuch and their metabolite etc. are all to corruption
Erosion process generates direct or indirect acceleration.
Marine oil and gas drilling platforms, seabed tunnel engineering, the side such as submarine pipeline, islands and reefs engineering, sea water desalination, foreign-going ship
Face needs to use a large amount of stainless steel, and these stainless steels are chronically in the marine atmosphere and seawater of strong corrosive, the weldering of steel
Socket part position is at the place for being easiest to corrode and be broken, so can weld seam keep its corrosion resistance just for a long time seems very heavy
It wants.For current welding wire such as 316 stainless steel welding sticks common on the market etc. since Ni content is higher, price is generally higher, and strong
Spend lower, therefore it is desirable that be capable of providing a kind of price relatively low, and intensity is higher is suitable for ocean engineering not
Become rusty steel welding wire.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of stainless steel steel welding wires and its system suitable for ocean engineering
Preparation Method solves the problems, such as that stainless steel weld joint is easily corroded and is broken under marine environment, except relative to using on the market not
Except steel welding wire price of becoming rusty is lower, weld seam is able to maintain higher intensity and excellent corrosion resistance under marine environment.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of stainless steel steel welding wire suitable for ocean engineering, chemical component is by mass percentage are as follows: and C≤
0.08%, N:0.50~0.80%, Mn:16.50~17.50%, Cr:20.00~22.00%, Ni:2.00~2.50%, Mo:
3.50~4.50%, Si:0.55~0.95%, S≤0.01%, P≤0.02%, surplus Fe.
Optionally, chemical component is by mass percentage are as follows: and C≤0.08%, N:0.70~0.80%, Mn:16.50~
17.50%, Cr:20.00~22.00%, Ni:2.00~2.50%, Mo:3.50~4.50%, Si:0.55~0.95%, S≤
0.01%, P≤0.02%, surplus Fe.
A kind of preparation method of the stainless steel steel welding wire suitable for ocean engineering, which is characterized in that specifically include following step
It is rapid:
S1, raw material is configured according to the ingredient of design, the raw material prepared (in addition to chromium nitride) is added in induction melting furnace
Melting；
Chromium nitride and adjusting component is added after S2, melting degassing purification, ingredient is casting continuously to form the bar of diameter 50mm after meeting；
S3, the wire rod that diameter 6mm is made in multistage hot deformation is carried out, then is processed as the silk of 1.0~2.0mm of diameter by cold-drawn
Material；
It is finally packaged as the plate-like welding wire of fixed mass, in case TIG (non-melt pole Heliarc welding), MIG
(metal inert gas arc welding) welding uses.
(3) beneficial effect
The stainless steel steel welding wire and preparation method thereof that the present invention provides a kind of suitable for ocean engineering, has following beneficial
Effect:
The present invention has obtained the stainless steel welding stick suitable for ocean engineering by the method for control element ingredient, and weld seam exists
Good corrosion resistance and mechanical property are still able to maintain under prolonged marine environment.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.78%, Mn:16.95%, Cr:21.59%, Ni:2.32%, Mo:3.50%, Si:0.65%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 1.0mm silk material, setting welding current be 170A, speed of welding 0.25m/min,
Wire feed rate is 1.9m/min, is welded in heap on substrate using TIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
Embodiment 2:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.80%, Mn:16.90%, Cr:21.52%, Ni:2.30%, Mo:4.22%, Si:0.55%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 1.0mm silk material, setting welding current be 170A, speed of welding 0.25m/min,
Wire feed rate is 1.9m/min, is welded in heap on substrate using MIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
Embodiment 3:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.78%, Mn:17.01%, Cr:21.41%, Ni:2.27%, Mo:4.50%, Si:0.76%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 1.2mm silk material, setting welding current be 178A, speed of welding 0.28m/min,
Wire feed rate is 1.9m/min, is welded in heap on substrate using TIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
Embodiment 4:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.69%, Mn:17.08%, Cr:20.41%, Ni:2.37%, Mo:3.63%, Si:0.86%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 1.2mm silk material, setting welding current be 178A, speed of welding 0.28m/min,
Wire feed rate is 1.9m/min, is welded in heap on substrate using MIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
Embodiment 5:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.78%, Mn:16.79%, Cr:21.61%, Ni:2.00%, Mo:3.75%, Si:0.92%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 1.2mm silk material, setting welding current be 178A, speed of welding 0.28m/min,
Wire feed rate is 1.9m/min, is welded in heap on substrate using TIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
Embodiment 6:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.77%, Mn:16.81%, Cr:22.00%, Ni:2.18%, Mo:4.25%, Si:0.95%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 1.6mm silk material, setting welding current be 180A, speed of welding 0.30m/min,
Wire feed rate is 1.5m/min, is welded in heap on substrate using TIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
Embodiment 7:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.50%, Mn:17.25%, Cr:20.32%, Ni:2.44%, Mo:3.62%, Si:0.73%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 1.6mm silk material, setting welding current be 180A, speed of welding 0.30m/min,
Wire feed rate is 1.5m/min, is welded in heap on substrate using MIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
Embodiment 8:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.63%, Mn:17.50%, Cr:20.00%, Ni:2.47%, Mo:3.74%, Si:0.59%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 2.0mm silk material, setting welding current be 180A, speed of welding 0.28m/min,
Wire feed rate is 1.2m/min, is welded in heap on substrate using TIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
Embodiment 9:
A kind of stainless steel welding stick suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.70%, Mn:16.50%, Cr:21.33%, Ni:2.50%, Mo:4.08%, Si:0.90%, S≤
0.01%, P≤0.02%, surplus Fe.
By stainless steel be made diameter be 2.0mm silk material, setting welding current be 180A, speed of welding 0.28m/min,
Wire feed rate is 1.2m/min, is welded in heap on substrate using MIG and welds the block sample having a size of 10x10x5cm.It will weldering
Sample after connecing, which is placed in the solution of 6%FeCl3+0.05mol/L HCl, to be impregnated one month, and surface topography is observed, and finds surface
Without any type of corrosion, meet corrosion resistance requirement.According to tension test national standard, block is made that meet national standards
Tensile testing samples simultaneously carry out Erichsen test, measure weldment performance.It was found that its yield strength is all larger than 700MPa, has no progeny and stretch
Long rate is higher than 30%, excellent combination property.
1 specific embodiment component list (%) of table
In addition to the ingredient that table 1 provides, remaining is C≤0.08%, S≤0.01%, P≤0.02%, surplus Fe.
2 properties actual measured value of table
In summary: the present invention has obtained welding suitable for the stainless steel of ocean engineering by the method for control element ingredient
Silk, weld seam are still able to maintain good corrosion resistance and mechanical property under prolonged marine environment.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in second feature
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact "up" or "down".
Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or tiltedly
Top, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " and
" following " can be fisrt feature and be directly under or diagonally below the second feature, or be merely representative of first feature horizontal height less than
Two features.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (3)
1. a kind of stainless steel steel welding wire suitable for ocean engineering, which is characterized in that its chemical component is by mass percentage are as follows:
C≤0.08%, N:0.50~0.80%, Mn:16.50~17.50%, Cr:20.00~22.00%, Ni:2.00~2.50%,
Mo:3.50~4.50%, Si:0.55~0.95%, S≤0.01%, P≤0.02%, surplus Fe.
2. a kind of stainless steel steel welding wire suitable for ocean engineering according to claim 1, which is characterized in that its chemistry at
Divide by mass percentage are as follows: C≤0.08%, N:0.70~0.80%, Mn:16.50~17.50%, Cr:20.00~
22.00%, Ni:2.00~2.50%, Mo:3.50~4.50%, Si:0.55~0.95%, S≤0.01%, P≤0.02%,
Surplus is Fe.
3. it is according to claim 1 or 2 any one be suitable for ocean engineering stainless steel steel welding wire preparation method,
It is characterized in that, specifically comprises the following steps:
S1, raw material is configured according to the ingredient of design, melting in induction melting furnace is added in the raw material prepared (in addition to chromium nitride)；
Chromium nitride and adjusting component is added after S2, melting degassing purification, ingredient is casting continuously to form the bar of diameter 50mm after meeting；
S3, the wire rod that diameter 6mm is made in multistage hot deformation is carried out, then is processed as the silk material of 1.0~2.0mm of diameter by cold-drawn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126053.0A CN109865958A (en) | 2019-02-20 | 2019-02-20 | A kind of stainless steel steel welding wire and preparation method thereof suitable for ocean engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126053.0A CN109865958A (en) | 2019-02-20 | 2019-02-20 | A kind of stainless steel steel welding wire and preparation method thereof suitable for ocean engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109865958A true CN109865958A (en) | 2019-06-11 |
Family
ID=66918966
Family Applications (1)
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|---|---|---|---|
| CN201910126053.0A Pending CN109865958A (en) | 2019-02-20 | 2019-02-20 | A kind of stainless steel steel welding wire and preparation method thereof suitable for ocean engineering |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0195895A (en) * | 1987-10-08 | 1989-04-13 | Nippon Steel Corp | Stainless steel wire for gas shielded arc welding |
| CN102011067A (en) * | 2010-12-14 | 2011-04-13 | 江苏大学 | Cavitation corrosion resistant dual-phase stainless steel |
| CN102753300A (en) * | 2010-06-07 | 2012-10-24 | 新日本制铁株式会社 | Ultra high-strength welded joint and method for producing same |
| CN104227265A (en) * | 2014-07-25 | 2014-12-24 | 洛阳双瑞特种合金材料有限公司 | Ultrahigh-intensity all-austenite stainless steel welding wire |
| CN104722953A (en) * | 2015-03-22 | 2015-06-24 | 江苏兴海特钢有限公司 | Stainless steel welding core |
| CN105479035A (en) * | 2015-12-25 | 2016-04-13 | 江苏烁石焊接科技有限公司 | High-nitrogen steel welding wire and manufacturing process thereof |
-
2019
- 2019-02-20 CN CN201910126053.0A patent/CN109865958A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0195895A (en) * | 1987-10-08 | 1989-04-13 | Nippon Steel Corp | Stainless steel wire for gas shielded arc welding |
| CN102753300A (en) * | 2010-06-07 | 2012-10-24 | 新日本制铁株式会社 | Ultra high-strength welded joint and method for producing same |
| CN102011067A (en) * | 2010-12-14 | 2011-04-13 | 江苏大学 | Cavitation corrosion resistant dual-phase stainless steel |
| CN104227265A (en) * | 2014-07-25 | 2014-12-24 | 洛阳双瑞特种合金材料有限公司 | Ultrahigh-intensity all-austenite stainless steel welding wire |
| CN104722953A (en) * | 2015-03-22 | 2015-06-24 | 江苏兴海特钢有限公司 | Stainless steel welding core |
| CN105479035A (en) * | 2015-12-25 | 2016-04-13 | 江苏烁石焊接科技有限公司 | High-nitrogen steel welding wire and manufacturing process thereof |
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Application publication date: 20190611 |
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