CN113798727A - 高强合金钢焊丝及其制备方法 - Google Patents
高强合金钢焊丝及其制备方法 Download PDFInfo
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 10
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000005242 forging Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000005496 tempering Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
- B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
本发明公开了一种高强合金钢焊丝及其制备方法,所述焊丝的化学成分按质量百分比为:Cr:28.0‑30.0%,Ni:6.0‑7.5%,Mo:1.5‑2.5%,N:0.3‑0.4%,Cu:0.1‑0.2%,Mn:0.5‑1.5%,Si:0.2‑0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。其焊接的板材具有优异的抗拉强度和耐低温冲击性,具有广阔的应用空间。
Description
技术领域
本发明涉及金属材料领域,特别是,涉及一种高强合金钢焊丝及其制备方法。
背景技术
随着工业的发展,高强合金钢的应用越来越多空间越来越广,对相应的焊接材料也提出了更高的要求。目前国内高强焊接材料能满足熔敷金属抗拉强度大于900MPa的焊丝极少,且对低温冲击耐受较差,大大阻碍了国内相关产业的发展。
发明内容
为了克服现有技术的不足,本发明的目的在于提供一种高强合金钢焊丝,其焊接的板材具有优异的抗拉强度和耐低温冲击性,具有广阔的应用空间。
为解决上述问题,本发明所采用的技术方案如下:
一种高强合金钢焊丝,所述焊丝的化学成分按质量百分比为:Cr:28.0-30.0%,Ni:6.0-7.5%,Mo:1.5-2.5%,N:0.3-0.4%,Cu:0.1-0.2%,Mn:0.5-1.5%,Si:0.2-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
优选的,所述焊丝的化学成分按质量百分比为:Cr:28.5-29.5%,Ni:6.5-7.5%,Mo:1.8-2.5%,N:0.3-0.4%,Cu:0.1-0.2%,Mn:0.1-1.5%,Si:0.2-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
优选的,所述焊丝的化学成分按质量百分比为:Cr:28.5-29.0%,Ni:6.5-7.0%,Mo:1.5-2.0%,N:0.3-0.35%,Cu:0.15-0.2%,Mn:0.1-1.2%,Si:0.3-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
本发明还包括一种高强合金钢焊丝的制备方法,包括:按照所述化学成分比例的原料,经电炉冶炼浇注成方坯、再经锻造、轧制制成盘条,盘条经拉拔后即得。
进一步的,所述拉拔过程经过3次退火处理。
进一步的,所述退火处理是在720-750℃条件下保温2-3h。
相比现有技术,本发明的有益效果在于:使用本发明制备的高强合金钢焊丝进行焊接,抗拉强度大于960MPa,-30℃冲击韧性大于100J,远高于现有焊丝的焊接抗拉强度和冲击韧性,具有更广阔的应用空间。
具体实施方式
下面结合具体实施方式对本发明作进一步详细说明。
本发明包括一种高强合金钢焊丝,所述焊丝的化学成分按质量百分比为:Cr:28.0-30.0%,Ni:6.0-7.5%,Mo:1.5-2.5%,N:0.3-0.4%,Cu:0.1-0.2%,Mn:0.5-1.5%,Si:0.2-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
优选的,所述焊丝的化学成分按质量百分比为:Cr:28.5-29.5%,Ni:6.5-7.5%,Mo:1.8-2.5%,N:0.3-0.4%,Cu:0.1-0.2%,Mn:0.1-1.5%,Si:0.2-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
优选的,所述焊丝的化学成分按质量百分比为:Cr:28.5-29.0%,Ni:6.5-7.0%,Mo:1.5-2.0%,N:0.3-0.35%,Cu:0.15-0.2%,Mn:0.1-1.2%,Si:0.3-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
本发明还包括一种高强合金钢焊丝的制备方法,包括:按照所述化学成分比例的原料,经电炉冶炼浇注成方坯、再经锻造、轧制制成盘条,轧制后的盘条经正火+高温回火处理后经拉拔后即得高强合金钢焊丝。
进一步的,正火+高温回火处理具体为先在1100-1150℃下正火,保温2-2.5h,然后在800-820℃下高温回火,保温1-1.5h;所述拉拔过程经过3次退火处理,所述退火处理是在720-750℃条件下保温2-3h。
实施例1-5
表1 高强合金钢焊丝成分表
按照上表1中各实施例对应的化学成分比例原料,经电炉冶炼浇注成方坯、再经锻造、轧制制成盘条,轧制后的盘条经正火+高温回火处理后经拉拔后即得高强合金钢焊丝;正火+高温回火处理具体为先在1100-1150℃下正火,保温2-2.5h,然后在800-820℃下高温回火,保温1-1.5h;拉拔过程经过3次退火处理,退火处理是在720-750℃条件下保温2-3h。
实施例6
对实施例1-5制备的高强合金钢焊丝进行检测:
表面观察:实施例1-5制备的高强合金钢焊丝表面光洁、无裂纹、坑点、麻点等缺陷;
焊接性能:采用实施例1-5制备的高强合金钢焊丝对超强管线钢进行焊接,焊接后进行检测,抗拉强度大于960MPa,-30℃冲击韧性大于100J,远高于现有焊丝的焊接抗拉强度和冲击韧性,具有更广阔的应用空间。
对本领域的技术人员来说,可根据以上描述的技术方案以及构思,做出其它各种相应的改变以及形变,而所有的这些改变以及形变都应该属于本发明权利要求的保护范围之内。
Claims (6)
1.一种高强合金钢焊丝,其特征在于,所述焊丝的化学成分按质量百分比为:Cr:28.0-30.0%,Ni:6.0-7.5%,Mo:1.5-2.5%,N:0.3-0.4%,Cu:0.1-0.2%,Mn:0.5-1.5%,Si:0.2-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
2.如权利要求1所述的高强合金钢焊丝,其特征在于,所述焊丝的化学成分按质量百分比为:Cr:28.5-29.5%,Ni:6.5-7.5%,Mo:1.8-2.5%,N:0.3-0.4%,Cu:0.1-0.2%,Mn:0.1-1.5%,Si:0.2-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
3.如权利要求1所述的高强合金钢焊丝,其特征在于,所述焊丝的化学成分按质量百分比为:Cr:28.5-29.0%,Ni:6.5-7.0%,Mo:1.5-2.0%,N:0.3-0.35%,Cu:0.15-0.2%,Mn:0.1-1.2%,Si:0.3-0.4%,O:≤0.01%,C:≤0.025%,P:≤0.01%,S:≤0.01%,Fe:余量。
4.权利要求1所述高强合金钢焊丝的制备方法,包括:按照所述化学成分比例的原料,经电炉冶炼浇注成方坯、再经锻造、轧制制成盘条,盘条经拉拔后即得。
5.如权利要求4所述的制备方法,其特征在于,所述拉拔过程经过3次退火处理。
6.如权利要求5所述的制备方法,其特征在于,所述退火处理是在720-750℃条件下保温2-3h。
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Citations (9)
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---|---|---|---|---|
JPS5893593A (ja) * | 1981-11-27 | 1983-06-03 | Sumitomo Metal Ind Ltd | 高クロム低ニツケル系2相ステンレス鋼用溶接材料 |
CN1125965A (zh) * | 1993-06-21 | 1996-07-03 | 桑德维克公司 | 铁素体-奥氏体不锈钢 |
CN1335213A (zh) * | 2000-07-28 | 2002-02-13 | 株式会社Kiswel | 双相不锈钢用焊剂空心焊丝 |
US6689231B1 (en) * | 1999-06-21 | 2004-02-10 | Sandvik Ab | Use of stainless steel alloy as umbilical tubes in seawater environment |
CN101784687A (zh) * | 2007-10-03 | 2010-07-21 | 住友金属工业株式会社 | 奥氏体系不锈钢 |
CN104759784A (zh) * | 2015-04-02 | 2015-07-08 | 江苏科技大学 | 一种核i级2209双相不锈钢焊丝及制造方法 |
US20160325261A1 (en) * | 2013-12-27 | 2016-11-10 | Stamicarbon B.V. | Corrosion resistant duplex steel alloy, objects made thereof, and method of making the alloy |
CN106944763A (zh) * | 2016-01-06 | 2017-07-14 | 宝钢特钢有限公司 | 一种高强度锰系耐磨钢焊丝 |
CN108907495A (zh) * | 2018-07-02 | 2018-11-30 | 江苏新华合金电器有限公司 | NiCr44Ti焊丝及其生产工艺 |
-
2020
- 2020-06-12 CN CN202010536396.7A patent/CN113798727A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5893593A (ja) * | 1981-11-27 | 1983-06-03 | Sumitomo Metal Ind Ltd | 高クロム低ニツケル系2相ステンレス鋼用溶接材料 |
CN1125965A (zh) * | 1993-06-21 | 1996-07-03 | 桑德维克公司 | 铁素体-奥氏体不锈钢 |
US6689231B1 (en) * | 1999-06-21 | 2004-02-10 | Sandvik Ab | Use of stainless steel alloy as umbilical tubes in seawater environment |
CN1335213A (zh) * | 2000-07-28 | 2002-02-13 | 株式会社Kiswel | 双相不锈钢用焊剂空心焊丝 |
CN101784687A (zh) * | 2007-10-03 | 2010-07-21 | 住友金属工业株式会社 | 奥氏体系不锈钢 |
US20160325261A1 (en) * | 2013-12-27 | 2016-11-10 | Stamicarbon B.V. | Corrosion resistant duplex steel alloy, objects made thereof, and method of making the alloy |
CN104759784A (zh) * | 2015-04-02 | 2015-07-08 | 江苏科技大学 | 一种核i级2209双相不锈钢焊丝及制造方法 |
CN106944763A (zh) * | 2016-01-06 | 2017-07-14 | 宝钢特钢有限公司 | 一种高强度锰系耐磨钢焊丝 |
CN108907495A (zh) * | 2018-07-02 | 2018-11-30 | 江苏新华合金电器有限公司 | NiCr44Ti焊丝及其生产工艺 |
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