JP2015093287A - フェライト系耐熱鋼用溶接材料 - Google Patents
フェライト系耐熱鋼用溶接材料 Download PDFInfo
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- JP2015093287A JP2015093287A JP2013232583A JP2013232583A JP2015093287A JP 2015093287 A JP2015093287 A JP 2015093287A JP 2013232583 A JP2013232583 A JP 2013232583A JP 2013232583 A JP2013232583 A JP 2013232583A JP 2015093287 A JP2015093287 A JP 2015093287A
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- 239000000463 material Substances 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 229910000859 α-Fe Inorganic materials 0.000 title abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 89
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 16
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 8
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 44
- 239000002184 metal Substances 0.000 abstract description 44
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- 229910052796 boron Inorganic materials 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 23
- 238000012360 testing method Methods 0.000 description 22
- 239000011651 chromium Substances 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 19
- 239000010949 copper Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 17
- 239000007789 gas Substances 0.000 description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 230000009466 transformation Effects 0.000 description 15
- 239000011572 manganese Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 238000005452 bending Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000005336 cracking Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 229910052758 niobium Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 230000002542 deteriorative effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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- Nonmetallic Welding Materials (AREA)
Abstract
Description
・・・(1)
すなわち、溶接後の熱処理温度の上限値が法令等で定められている場合に、定められた温度の上限値まで溶接後の熱処理温度を上げることができる。例えば、電気工作物に関する法令(火力技術基準)で定められた溶接後熱処理温度の上限値である760℃まで、溶接後の熱処理温度を上げることができる。そのため、溶接後の残留応力の除去や溶接金属の組織改善を確実に行うことができる。また、見方を変えると、法令で定められた最大熱処理温度の760℃で溶接後の熱処理を行っても、溶接金属の機械的強度を高い状態で維持することができる。
・・・(1)
図1に示す実施例1〜17について、比較例との対比から、溶接材料としての性能を評価した。図2はガスメタルアーク溶接法による溶接作業性評価と溶着金属の引張強度、クリープ強度、耐衝撃性能、耐溶接割れ性及びAc1変態点温度を評価する図である。溶接作業性は、ビードオンプレート溶接により溶接を行い、ガスメタルアーク溶接法でのアーク安定性、スパッタ発生量及びビード形状について評価し、良好な溶接作業性が得られるものを合格とした。また、溶接作業性が良好であったものについて、以下の溶着金属の性能評価試験を行った。
が0.6mm以下を合格とし、かつ実機施工を想定した側曲げ試験で電気工作物の溶接の技術省令第81号の規定に基づいて、(1)割れ(またはブローホール)の長さが3mmを超えないこと(縁角に発生するものを除く)、(2)上記(1)の条件を満たす割れの長さの合計が7mmを超えないこと、及び(3)割れ及び/またはブローホールの個数が10個を超えないこと、の全ての要件を満たしたものを合格とした。
Claims (2)
- C:0.05〜0.15質量%、Si:0.01〜1.00質量%、Mn:0.2〜2.0質量%、Cr:8.0〜14.0質量%、Ni:0.1〜1.0質量%、Mo:0.1〜0.7質量%、Ta:0.26〜0.60質量%、V:0.1〜0.7質量%、W:0.2〜2.5質量%、Cu:0.76〜2.0質量%、N:0.001〜0.08質量%、B:0.0100質量%以下を含有し、不可避不純物としてP:0.010質量%以下、S:0.010質量%以下、O:0.07質量%以下、Al:0.02質量%以下、Ti:0.02質量%以下、Ca:0.01質量%以下、Mg:0.01質量%以下、Rem:0.01質量%未満を含有し、残部がFeからなる化学組成を有するフェライト系耐熱鋼用溶接材料。
- さらに下記(1)式を満足する請求項1に記載のフェライト系耐熱鋼用溶接材料。
Cr+0.4W−10.7Ni−0.1Mn−0.7Cu−29.5N≧1.0
・・・(1)(但し、式中の元素記号は各元素の質量%を示す。)
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104907733A (zh) * | 2015-07-10 | 2015-09-16 | 中国科学院合肥物质科学研究院 | 一种抗辐照低活化钢气体保护焊用焊丝及其制备方法 |
CN108857141A (zh) * | 2018-08-07 | 2018-11-23 | 鞍钢股份有限公司 | 一种620MPa级可消应力处理的气保焊丝 |
WO2019116917A1 (ja) | 2017-12-15 | 2019-06-20 | 株式会社神戸製鋼所 | ガスシールドアーク溶接ワイヤ及びガスシールドアーク溶接方法 |
KR102058602B1 (ko) | 2015-12-18 | 2019-12-23 | 닛폰세이테츠 가부시키가이샤 | 페라이트계 내열강용 용접 재료, 페라이트계 내열강용 용접 조인트 및 페라이트계 내열강용 용접 조인트의 제조 방법 |
JP2021049583A (ja) * | 2019-09-20 | 2021-04-01 | リンカーン グローバル,インコーポレイテッド | 厚肉鋼材のアーク溶接用の高クロムクリープ抵抗性溶接金属 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08290290A (ja) * | 1995-04-20 | 1996-11-05 | Mitsubishi Heavy Ind Ltd | 高Cr鋼材用高靱性溶接材料 |
JPH09267190A (ja) * | 1996-03-29 | 1997-10-14 | Kobe Steel Ltd | 高クロムフェライト鋼用溶接ワイヤ |
JPH09277084A (ja) * | 1996-04-12 | 1997-10-28 | Nippon Steel Corp | 高Crフェライト系耐熱鋼用潜弧溶接方法 |
JPH1161342A (ja) * | 1997-08-08 | 1999-03-05 | Mitsubishi Heavy Ind Ltd | 高Crフェライト鋼 |
JPH11267881A (ja) * | 1998-01-20 | 1999-10-05 | Mitsubishi Heavy Ind Ltd | 高Cr鋼材用溶接材料 |
-
2013
- 2013-11-08 JP JP2013232583A patent/JP6039532B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08290290A (ja) * | 1995-04-20 | 1996-11-05 | Mitsubishi Heavy Ind Ltd | 高Cr鋼材用高靱性溶接材料 |
JPH09267190A (ja) * | 1996-03-29 | 1997-10-14 | Kobe Steel Ltd | 高クロムフェライト鋼用溶接ワイヤ |
JPH09277084A (ja) * | 1996-04-12 | 1997-10-28 | Nippon Steel Corp | 高Crフェライト系耐熱鋼用潜弧溶接方法 |
JPH1161342A (ja) * | 1997-08-08 | 1999-03-05 | Mitsubishi Heavy Ind Ltd | 高Crフェライト鋼 |
JPH11267881A (ja) * | 1998-01-20 | 1999-10-05 | Mitsubishi Heavy Ind Ltd | 高Cr鋼材用溶接材料 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104907733A (zh) * | 2015-07-10 | 2015-09-16 | 中国科学院合肥物质科学研究院 | 一种抗辐照低活化钢气体保护焊用焊丝及其制备方法 |
KR102058602B1 (ko) | 2015-12-18 | 2019-12-23 | 닛폰세이테츠 가부시키가이샤 | 페라이트계 내열강용 용접 재료, 페라이트계 내열강용 용접 조인트 및 페라이트계 내열강용 용접 조인트의 제조 방법 |
WO2019116917A1 (ja) | 2017-12-15 | 2019-06-20 | 株式会社神戸製鋼所 | ガスシールドアーク溶接ワイヤ及びガスシールドアーク溶接方法 |
KR20200079541A (ko) | 2017-12-15 | 2020-07-03 | 가부시키가이샤 고베 세이코쇼 | 가스 실드 아크 용접 와이어 및 가스 실드 아크 용접 방법 |
US11945056B2 (en) | 2017-12-15 | 2024-04-02 | Kobe Steel, Ltd. | Gas-shielded arc welding wire and gas-shielded arc welding method |
CN108857141A (zh) * | 2018-08-07 | 2018-11-23 | 鞍钢股份有限公司 | 一种620MPa级可消应力处理的气保焊丝 |
JP2021049583A (ja) * | 2019-09-20 | 2021-04-01 | リンカーン グローバル,インコーポレイテッド | 厚肉鋼材のアーク溶接用の高クロムクリープ抵抗性溶接金属 |
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