KR100805059B1 - 페라이트계 스테인리스강의 레이저 용접 방법 - Google Patents
페라이트계 스테인리스강의 레이저 용접 방법 Download PDFInfo
- Publication number
- KR100805059B1 KR100805059B1 KR1020060101414A KR20060101414A KR100805059B1 KR 100805059 B1 KR100805059 B1 KR 100805059B1 KR 1020060101414 A KR1020060101414 A KR 1020060101414A KR 20060101414 A KR20060101414 A KR 20060101414A KR 100805059 B1 KR100805059 B1 KR 100805059B1
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- KR
- South Korea
- Prior art keywords
- stainless steel
- ferritic stainless
- welding
- inert gas
- laser
- Prior art date
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Classifications
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- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/26—Seam welding of rectilinear seams
- B23K26/262—Seam welding of rectilinear seams of longitudinal seams of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
- B21D5/12—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- 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
- B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
- B23K35/383—Selection of media, e.g. special atmospheres for surrounding the working area mainly containing noble gases or nitrogen
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
- B23K2103/05—Stainless steel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
대상강종 | 출력 (kW) | 불활성 가스 분위기 유무 | 아르곤 보호가스 유량 (l/min) | 마르텐사이트 생성유무 | 경도 (Hv) | 질소량 (ppm) | 20℃ 충격에너지 (J) | 편차 (J) |
발명강1 | 5.7 | O | 24 | X | 155 | 284 | 20.1 | 1.08 |
발명강2 | 6.5 | O | 20 | X | 152 | 277 | 21.06 | 1.17 |
비교강1 | 5.7 | X | 미실시 | O | 183 | 510 | 13.32 | 3.8 |
비교강2 | 7.0 | O | 10 | O | 180 | 380 | 15.40 | 3.99 |
대상강종 | 출력(kW) | 불활성 가스 분위기 유무 | 아르곤 보호가스 유량(l/min) | 확관온도(℃) | 확관 후 용접부 균열발생 유무 |
비교강1 | 5.7 | X | 미실시 | 25 | O |
발명강1 | 5.7 | O | 24 | 25 | X |
발명강2 | 5.7 | O | 24 | 0 | X |
발명강3 | 5.7 | O | 24 | -20 | X |
발명강4 | 5.7 | O | 20 | 25 | X |
발명강5 | 6.5 | O | 20 | -20 | X |
Claims (3)
- 페라이트계 스테인리스 강판의 양 에지부에 레이저 빔을 조사하여 용접시 용접부의 탑 비드(top bead)와 백 비드(back bead)에 분당 15-24 l/min으로 불활성 가스를 공급함으로써 상기 용접부를 불활성 가스 분위기로 쉴딩하는 것을 포함하여 구성되는 페라이트계 스테인리스강의 레이저 용접방법.
- 삭제
- 제 1항에 있어서, 상기 불활성 가스는 아르곤 가스임을 특징으로 하는 페라이트계 스테인리스강의 레이저 용접 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060101414A KR100805059B1 (ko) | 2006-10-18 | 2006-10-18 | 페라이트계 스테인리스강의 레이저 용접 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060101414A KR100805059B1 (ko) | 2006-10-18 | 2006-10-18 | 페라이트계 스테인리스강의 레이저 용접 방법 |
Publications (1)
Publication Number | Publication Date |
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KR100805059B1 true KR100805059B1 (ko) | 2008-02-20 |
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Family Applications (1)
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KR1020060101414A KR100805059B1 (ko) | 2006-10-18 | 2006-10-18 | 페라이트계 스테인리스강의 레이저 용접 방법 |
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KR (1) | KR100805059B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010002150A2 (ko) * | 2008-07-01 | 2010-01-07 | 주식회사 포스코 | 용접부의 가공성이 우수한 페라이트계 스테인리스강, 이를 이용한 용접강관 및 그 제조방법 |
CN111702335A (zh) * | 2020-06-05 | 2020-09-25 | 成都先进金属材料产业技术研究院有限公司 | 一种焊接304不锈钢板材的工艺方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5617198A (en) | 1979-07-23 | 1981-02-18 | Kawasaki Steel Corp | Welding method of ferrite system stainless steel strip |
JPS5684194A (en) | 1979-12-10 | 1981-07-09 | Kawasaki Steel Corp | Welding method of ferritic stainless steel of molybdenum-containing high chromium |
JPS56168988A (en) | 1980-05-27 | 1981-12-25 | Nisshin Steel Co Ltd | Welding method for ferrite stainless steel |
JPS5893592A (ja) | 1981-11-27 | 1983-06-03 | Mitsubishi Heavy Ind Ltd | レ−ザ溶接方法 |
KR20010002441A (ko) * | 1999-06-15 | 2001-01-15 | 이구택 | 고크롬 페라이트계 스테인레스강의 레이저 용접 방법 |
US20030127493A1 (en) * | 2002-01-07 | 2003-07-10 | David Ciriza | Purge gas welding ring |
-
2006
- 2006-10-18 KR KR1020060101414A patent/KR100805059B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5617198A (en) | 1979-07-23 | 1981-02-18 | Kawasaki Steel Corp | Welding method of ferrite system stainless steel strip |
JPS5684194A (en) | 1979-12-10 | 1981-07-09 | Kawasaki Steel Corp | Welding method of ferritic stainless steel of molybdenum-containing high chromium |
JPS56168988A (en) | 1980-05-27 | 1981-12-25 | Nisshin Steel Co Ltd | Welding method for ferrite stainless steel |
JPS5893592A (ja) | 1981-11-27 | 1983-06-03 | Mitsubishi Heavy Ind Ltd | レ−ザ溶接方法 |
KR20010002441A (ko) * | 1999-06-15 | 2001-01-15 | 이구택 | 고크롬 페라이트계 스테인레스강의 레이저 용접 방법 |
US20030127493A1 (en) * | 2002-01-07 | 2003-07-10 | David Ciriza | Purge gas welding ring |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010002150A2 (ko) * | 2008-07-01 | 2010-01-07 | 주식회사 포스코 | 용접부의 가공성이 우수한 페라이트계 스테인리스강, 이를 이용한 용접강관 및 그 제조방법 |
WO2010002150A3 (ko) * | 2008-07-01 | 2010-04-08 | 주식회사 포스코 | 용접부의 가공성이 우수한 페라이트계 스테인리스강, 이를 이용한 용접강관 및 그 제조방법 |
CN111702335A (zh) * | 2020-06-05 | 2020-09-25 | 成都先进金属材料产业技术研究院有限公司 | 一种焊接304不锈钢板材的工艺方法 |
CN111702335B (zh) * | 2020-06-05 | 2022-03-08 | 成都先进金属材料产业技术研究院股份有限公司 | 一种焊接304不锈钢板材的工艺方法 |
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