JP2007118077A - 溶接部の耐食性および耐亜鉛脆化割れ性に優れた亜鉛めっき鋼板の溶接継手 - Google Patents
溶接部の耐食性および耐亜鉛脆化割れ性に優れた亜鉛めっき鋼板の溶接継手 Download PDFInfo
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- 239000011701 zinc Substances 0.000 title claims abstract description 75
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 71
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 230000007797 corrosion Effects 0.000 title claims abstract description 55
- 238000005260 corrosion Methods 0.000 title claims abstract description 55
- 238000005336 cracking Methods 0.000 title claims description 76
- 229910001335 Galvanized steel Inorganic materials 0.000 title description 9
- 239000008397 galvanized steel Substances 0.000 title description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 168
- 239000002184 metal Substances 0.000 claims abstract description 168
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 90
- 239000010959 steel Substances 0.000 claims abstract description 90
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 69
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 65
- 239000010935 stainless steel Substances 0.000 claims abstract description 64
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 40
- 239000000956 alloy Substances 0.000 claims abstract description 40
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 238000007747 plating Methods 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 23
- 239000002893 slag Substances 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 abstract description 137
- 239000000463 material Substances 0.000 abstract description 51
- 241001016380 Reseda luteola Species 0.000 description 193
- 229910000859 α-Fe Inorganic materials 0.000 description 20
- 230000000694 effects Effects 0.000 description 19
- 229910001566 austenite Inorganic materials 0.000 description 17
- 238000000034 method Methods 0.000 description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 238000010790 dilution Methods 0.000 description 11
- 239000012895 dilution Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 239000010953 base metal Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 230000035515 penetration Effects 0.000 description 7
- 239000011324 bead Substances 0.000 description 6
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- 229910000765 intermetallic Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000005246 galvanizing Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
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- 238000007711 solidification Methods 0.000 description 4
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- 229910018134 Al-Mg Inorganic materials 0.000 description 3
- 229910021365 Al-Mg-Si alloy Inorganic materials 0.000 description 3
- 229910018467 Al—Mg Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
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- 239000004576 sand Substances 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 229910052845 zircon Inorganic materials 0.000 description 3
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 3
- 229910018464 Al—Mg—Si Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 229910007570 Zn-Al Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
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- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
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- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
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- 229910001039 duplex stainless steel Inorganic materials 0.000 description 1
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- 239000010433 feldspar Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
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- 230000001771 impaired effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- GROMGGTZECPEKN-UHFFFAOYSA-N sodium metatitanate Chemical compound [Na+].[Na+].[O-][Ti](=O)O[Ti](=O)O[Ti]([O-])=O GROMGGTZECPEKN-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/12771—Transition metal-base component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/12785—Group IIB metal-base component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/00—Stock material or miscellaneous articles
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- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/12771—Transition metal-base component
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- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
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Abstract
【解決手段】 ステンレス系成分の溶接金属からなる溶接部を有する亜鉛系合金めっき鋼板の溶接継手において、前記溶接金属が、質量%で、C:0.01〜0.1%、Si:0.1〜1%、Mn:0.5〜2.5%、Ni:5〜11%、Cr:17〜25%を含有し、かつ、−0.81×Cr当量+23.2≦Ni当量≦0.95×Cr当量−8.1の関係を満足し、残部がFeおよび不可避的不純物からなることを特徴とする溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。
【選択図】 図3
Description
本発明は、この知見を基になされたものであり、その要旨とするところは以下の通りである。
C:0.01〜0.1%、
Si:0.1〜1%、
Mn:0.5〜2.5%、
Ni:5〜11%、
Cr:17〜25%
を含有し、かつ、下記(1)〜(3)式を満足し、残部がFeおよび不可避的不純物からなることを特徴とする溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。
−0.81×Cr当量+23.2≦Ni当量≦0.95×Cr当量−8.1・・・(1)
Ni当量=Ni+30×C+0.5×Mn+30×N ・・・(2)
Cr当量=Cr+Mo+1.5×Si ・・・(3)
但し、上記Ni、C、Mn、N、Cr、Mo、Siは、それぞれステンレス系溶接金属中に含有する各成分元素の含有量(質量%)を示す。
Mo:0.5〜2%、
N:0.05〜0.15%
を含有することを特徴とする上記(1)項記載の溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。
C:0.01〜0.05%、
Si:0.1〜1%、
Mn:0.5〜3%、
Ni:7〜12%、
Cr:24〜30%
を含有し、さらに、
Mo:2%以下
および
N:0.17%以下
の1種または2種を含有し、残部がFeおよび不可避的不純物からなる、ソリッドワイヤ、または、フラックス入りワイヤを用いて前記溶接金属の成分組成を調整することを特徴とする上記(1)または(2)項記載の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。
TiO2:0.5〜2.5%、
SiO2:1.5〜3.5%、
ZrO2:0.5〜2.5%
を含有し、スラグ成分の合計量が6.5〜9.5%であることを特徴とする上記(3)項記載の溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。
Al:2〜19%、
Mg:1〜10%、
Si:0.01〜2%
を含有し、残部がZnおよび不可避的不純物であることを特徴とする上記(1)または(2)項記載の溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手の溶接継手。
したがって、本発明の亜鉛系合金めっき鋼板の溶接継手を建築や自動車分野などの溶接構造部材に適用することにより、耐久性や安全性を従来に比べ向上できるため、本発明の産業上にもたらす貢献は多大なものである。
一方、Ni当量が下記(1)式の関係(−0.81×Cr当量+23.2≦Ni当量≦0.95×Cr当量−8.1)を満足する条件の場合(図中の領域(I):高Cr当量、中Ni当量)は、溶接金属中のマルテンサイトの生成が抑制され、溶接金属の延性が確保され、かつフェライト相を15%以上生成され、溶融亜鉛めっきの浸入が阻害された結果、液体金属脆化割れが抑制された。
−0.81×Cr当量+23.2≦Ni当量≦0.95×Cr当量−8.1・・・(1)
Ni当量=Ni+30×C+0.5×Mn+30×N ・・・(2)
Cr当量=Cr+Mo+1.5×Si ・・・(3)
但し、上記Ni、C、Mn、N、Cr、Mo、Siは、それぞれステンレス系溶接金属中の成分含有量(質量%)を示す。
本発明では、各種溶接方法に応じて亜鉛系合金めっき鋼板母材および溶接ワイヤ、溶接用フラックスの組み合わせを適宜選択することにより、溶接金属を上記(1)式の関係を満足する成分組成とし、溶接金属の液体金属脆化割れを防止することができる。
以下に、ソリッドワイヤ、および、フラックス入りワイヤ中に含有する金属成分の好ましい成分組成範囲について説明する。
ZrO2:ZrO2はスラグに流動性を与え、0.5%未満ではその効果が不十分であり、逆に2.5%を超えた場合スラグが硬くなり剥離性が劣化し、スパッタも増加する。従ってZrO2は0.5〜2.5%とするのが好ましい。原材料としては酸化ジルコニウム、ジルコンフラワー、ジルコンサンド等を用いる。
母材希釈率=(母材の各溶融成分)/(母材の各溶融成分+溶接材料の各溶融成分)×100(%) ・・・・(1)
なお、溶接入熱を10kJ/cm以下程度に低下にするためには溶接電流、溶接電圧、溶接速度を調整することで行うことができる。
使用した溶接材料は、表1に示す合金成分を含有するソリッドワイヤ((S1)、(S2)、(S11)、(S12))およびフラックス入りワイヤ((F3)〜(F10))とした。
No.9〜No.12はいずれも(1)式の右辺(Ni当量の上限)を満たしておらず、脆化割れが発生した。No.11はMo、N量が本発明の規定を超え、Ni当量の上限を満たしておらず、脆化割れが発生した。
2:ビード・オン・プレートによる溶接ビード
3:液体金属脆化割れ
4:亜鉛系合金めっき鋼板
5:隅肉溶接(第一溶接)
6:隅肉溶接(第二溶接)
Claims (6)
- ステンレス系成分の溶接金属からなる溶接部を有する亜鉛系合金めっき鋼板の溶接継手において、前記溶接金属が、質量%で、
C:0.01〜0.1%、
Si:0.1〜1%、
Mn:0.5〜2.5%、
Ni:5〜11%、
Cr:17〜25%
を含有し、かつ、下記(1)〜(3)式を満足し、残部がFeおよび不可避的不純物からなることを特徴とする溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。
−0.81×Cr当量+23.2≦Ni当量≦0.95×Cr当量−8.1・・・(1)
Ni当量=Ni+30×C+0.5×Mn+30×N ・・・(2)
Cr当量=Cr+Mo+1.5×Si ・・・(3)
但し、上記Ni、C、Mn、N、Cr、Mo、Siは、それぞれステンレス系溶接金属中に含有する各成分元素の含有量(質量%)を示す。 - 前記溶接金属は、さらに、
Mo:0.5〜2%、
N:0.05〜0.15%
を含有することを特徴とする請求項1記載の溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。 - 金属成分として、全ワイヤ質量に対する質量%で、
C:0.01〜0.05%、
Si:0.1〜1%、
Mn:0.5〜3%、
Ni:7〜12%、
Cr:24〜30%
を含有し、さらに、
Mo:2%以下
および
N:0.17%以下
の1種または2種を含有し、残部がFeおよび不可避的不純物からなる、ソリッドワイヤ、または、フラックス入りワイヤを用いて前記溶接金属の成分組成を調整することを特徴とする請求項1または請求項2記載の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。 - 前記フラックス入りワイヤが、スラグ成分として、全ワイヤ質量に対する質量%で、
TiO2:0.5〜2.5%、
SiO2:1.5〜3.5%、
ZrO2:0.5〜2.5%
を含有し、スラグ成分の合計量が6.5〜9.5%であることを特徴とする請求項3記載の溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手。 - 前記亜鉛系合金めっき鋼板の表面に施された亜鉛系合金めっきは、質量%で、
Al:2〜19%、
Mg:1〜10%、
Si:0.01〜2%
を含有し、残部がZnおよび不可避的不純物であることを特徴とする請求項1〜4の何れかに記載の溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手の溶接継手。 - 前記亜鉛系合金めっき鋼板の板厚が3mm以上であり、前記溶接継手形状が隅肉溶接継手であることを特徴とする請求項1〜5の何れかに記載の溶接部の耐食性および耐液体金属脆化割れ性に優れた亜鉛系合金めっき鋼板の溶接継手の溶接継手。
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TW095134447A TWI310713B (en) | 2005-09-28 | 2006-09-18 | Weld joint formed with stainless steel-based weld metal for welding a zinc-based alloy coated steel sheet |
PCT/JP2006/319613 WO2007037447A1 (en) | 2005-09-28 | 2006-09-25 | Weld joint formed with stainless steel-based weld metal for welding a zinc-based alloy coated steel sheet |
KR1020087010092A KR101012199B1 (ko) | 2005-09-28 | 2006-09-25 | 아연 기재 합금으로 코팅한 강판을 용접하기 위한스테인레스강 기재 용접 금속으로 이루어진 용접 접합부 |
EP06810968A EP1940582A1 (en) | 2005-09-28 | 2006-09-25 | Weld joint formed with stainless steel-based weld metal for welding a zinc-based alloy coated steel sheet |
RU2008116610/02A RU2410221C2 (ru) | 2005-09-28 | 2006-09-25 | Сварное соединение, образованное металлом сварного шва на основе нержавеющей стали для сваривания стального листа, имеющего покрытие из сплава на основе цинка |
CN200680036257.6A CN101277781B (zh) | 2005-09-28 | 2006-09-25 | 用不锈钢基焊接金属形成的用于焊接镀有锌基合金的钢板的焊接接头 |
CA2624140A CA2624140C (en) | 2005-09-28 | 2006-09-25 | Weld joint formed with stainless steel-based weld metal for welding a zinc-based alloy coated steel sheet |
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JP2009172679A (ja) * | 2007-12-27 | 2009-08-06 | Nippon Steel Corp | 亜鉛めっき鋼板溶接用ステンレス鋼フラックス入り溶接ワイヤおよびこれを用いた亜鉛めっき鋼板のアーク溶接方法 |
US8748778B2 (en) | 2007-12-27 | 2014-06-10 | Nippon Steel & Sumitomo Metal Corporation | Stainless steel flux-cored welding wire for welding of zinc-coated steel sheet and arc welding method of zinc-coated steel sheet using same |
JP2009214171A (ja) * | 2008-03-13 | 2009-09-24 | Nisshin Steel Co Ltd | 亜鉛系合金めっき鋼材の溶接方法 |
JP2009291796A (ja) * | 2008-06-03 | 2009-12-17 | Kobe Steel Ltd | ステンレス鋼エレクトロガスアーク溶接用フラックス入りワイヤ |
WO2010073763A1 (ja) | 2008-12-26 | 2010-07-01 | 新日本製鐵株式会社 | 亜鉛めっき鋼板溶接用ステンレス鋼フラックス入り溶接ワイヤおよびこれを用いた亜鉛めっき鋼板のアーク溶接方法 |
AU2009332189B2 (en) * | 2008-12-26 | 2011-11-03 | Nippon Steel Corporation | Stainless steel flux-cored welding wire for the welding of galvanized steel sheets and process for arc welding of galvanized steel sheets with the same |
KR101231949B1 (ko) | 2008-12-26 | 2013-02-08 | 신닛테츠스미킨 카부시키카이샤 | 아연 도금 강판 용접용 스테인리스강 플럭스 내장 용접 와이어 및 이것을 사용한 아연 도금 강판의 아크 용접 방법 |
RU2482947C2 (ru) * | 2008-12-26 | 2013-05-27 | Ниппон Стил Корпорейшн | Сварочная проволока из нержавеющей стали с флюсовым сердечником для сварки оцинкованного стального листа и способ дуговой сварки оцинкованного стального листа с применением указанной сварочной проволоки |
JP2010188387A (ja) * | 2009-02-19 | 2010-09-02 | Nippon Steel & Sumikin Welding Co Ltd | 二相ステンレス鋼溶接用フラックス入りワイヤ |
WO2015005002A1 (ja) * | 2013-07-12 | 2015-01-15 | 株式会社神戸製鋼所 | 肉盛溶接用フラックス入りワイヤ |
KR20160078855A (ko) * | 2014-12-24 | 2016-07-05 | 주식회사 포스코 | 무도장 고내식 용접이음부 및 그 제조 방법 |
KR20160078854A (ko) * | 2014-12-24 | 2016-07-05 | 주식회사 포스코 | 무도장 고내식 서브머지드 아크 용접재료 |
KR20160078856A (ko) * | 2014-12-24 | 2016-07-05 | 주식회사 포스코 | 무도장 고내식 플럭스 코어드 아크 용접재료 |
KR101657837B1 (ko) | 2014-12-24 | 2016-09-20 | 주식회사 포스코 | 무도장 고내식 서브머지드 아크 용접재료 |
KR101657838B1 (ko) | 2014-12-24 | 2016-09-20 | 주식회사 포스코 | 무도장 고내식 용접이음부 및 그 제조 방법 |
KR101657839B1 (ko) | 2014-12-24 | 2016-09-20 | 주식회사 포스코 | 무도장 고내식 플럭스 코어드 아크 용접재료 |
JP2018517838A (ja) * | 2015-03-31 | 2018-07-05 | アルセロールミタル | 局所的に補強された被覆鋼板を含む車両用パネル |
US11312212B2 (en) | 2015-03-31 | 2022-04-26 | Arcelormittal | Panel for vehicle comprising a coated steel sheet locally reinforced |
CN107326269A (zh) * | 2017-05-26 | 2017-11-07 | 太仓明仕金属制造有限公司 | 一种金属零部件用碳钢 |
JP2020059059A (ja) * | 2018-10-12 | 2020-04-16 | 株式会社三五 | ガスシールドメタル溶接方法 |
Also Published As
Publication number | Publication date |
---|---|
RU2410221C2 (ru) | 2011-01-27 |
US20090158889A1 (en) | 2009-06-25 |
MY146745A (en) | 2012-09-14 |
BRPI0616709B1 (pt) | 2014-10-14 |
CN101277781A (zh) | 2008-10-01 |
BRPI0616709A2 (pt) | 2012-12-25 |
WO2007037447A9 (en) | 2007-05-24 |
KR20080053395A (ko) | 2008-06-12 |
WO2007037447A1 (en) | 2007-04-05 |
CN101277781B (zh) | 2012-06-13 |
CA2624140C (en) | 2011-12-06 |
JP5098217B2 (ja) | 2012-12-12 |
CA2624140A1 (en) | 2007-04-05 |
RU2008116610A (ru) | 2009-11-10 |
TW200720006A (en) | 2007-06-01 |
US7767314B2 (en) | 2010-08-03 |
EP1940582A1 (en) | 2008-07-09 |
TWI310713B (en) | 2009-06-11 |
KR101012199B1 (ko) | 2011-02-08 |
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