KR100757835B1 - 직류 아크 용접용 저수소계 피복 아크 용접봉 - Google Patents
직류 아크 용접용 저수소계 피복 아크 용접봉 Download PDFInfo
- Publication number
- KR100757835B1 KR100757835B1 KR1020030041356A KR20030041356A KR100757835B1 KR 100757835 B1 KR100757835 B1 KR 100757835B1 KR 1020030041356 A KR1020030041356 A KR 1020030041356A KR 20030041356 A KR20030041356 A KR 20030041356A KR 100757835 B1 KR100757835 B1 KR 100757835B1
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- South Korea
- Prior art keywords
- arc
- welding
- arc welding
- sio
- coated
- Prior art date
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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
- B23K35/02—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
- B23K35/0266—Rods, electrodes, wires flux-cored
-
- 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
-
- 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
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
Description
모 재 화 학 성 분(중량 %) | |||||
C | Si | Mn | P | S | Fe |
0.15 | 0.1 | 1.06 | 0.019 | 0.007 | 나머지 |
강 심 선 화 학 성 분(중량 %) | ||||||
C | Si | Mn | P | S | Fe | |
0.05 | 0.022 | 0.48 | 0.016 | 0.010 | 나머지 |
구 분 | 플럭스 조성(중량 %) | SiO2/MgO | ||||||||
CaCO3 | CaF2 | SiO2 | MgO | Mg-Al | TiO2 | 합금성분* | 기타** | |||
발 명 예 | 1 | 40 | 20 | 6.5 | 2.5 | 2 | 6 | 21 | 2 | 2.6 |
2 | 48 | 18 | 8 | 2 | 1 | 3 | 19 | 1 | 4 | |
3 | 47 | 13 | 7 | 2 | 0.5 | 4 | 25 | 1.5 | 3.5 | |
4 | 44 | 19 | 5 | 1 | 1.3 | 7 | 21 | 1.7 | 5 | |
5 | 51 | 16 | 6 | 2 | 0.5 | 8 | 15 | 1.5 | 3 | |
6 | 57 | 11 | 4 | 2 | 0.7 | 3 | 21 | 1.3 | 2 | |
7 | 53 | 12 | 2.5 | 1 | 2 | 6 | 22 | 1.5 | 2.5 | |
8 | 60 | 10 | 4 | 2 | 2 | 4 | 17 | 1 | 2 | |
비 교 예 | 1 | 36 | 24 | 6.0 | 0.5 | 2 | 7 | 23 | 1.5 | 12 |
2 | 64 | 7 | 3.0 | 2 | 1 | 4 | 18 | 1 | 1.5 | |
3 | 50 | 17 | 6.5 | 1 | 1.5 | 3 | 20 | 1 | 6.5 | |
4 | 45 | 20 | 2.0 | 3 | 0.5 | 4 | 24 | 1.5 | 0.7 | |
5 | 45 | 13 | 9.0 | 2 | 1.3 | 7 | 22 | 0.7 | 4.5 | |
6 | 52 | 15 | 3.5 | 1.5 | 0.3 | 10 | 16 | 1.7 | 2.3 | |
7 | 49 | 16 | 5.0 | 2.5 | 2.5 | 3 | 20 | 2 | 2 | |
8 | 58 | 15 | 4.5 | 1 | 2 | 6 | 12 | 1.5 | 4.5 |
구분 | 아크성 | 슬래그 유동성 | 슬래그 박리성 | 아크쏠림 | 비드형상 | 스패터 발생량 | 내결함성 | |
발명예 | 1 | O | O | O | O | O | O | O |
2 | O | △ | O | O | O | O | O | |
3 | O | O | O | O | O | O | O | |
4 | O | O | O | O | O | O | O | |
5 | O | O | △ | O | O | △ | O | |
6 | O | O | O | O | O | O | O | |
7 | O | △ | O | O | O | O | O | |
8 | O | O | △ | O | △ | O | O | |
비교예 | 1 | × | △ | △ | × | × | △ | × |
2 | × | × | × | △ | × | × | △ | |
3 | △ | △ | △ | × | △ | △ | × | |
4 | △ | × | △ | × | × | × | × | |
5 | × | × | △ | △ | × | × | × | |
6 | × | × | × | △ | × | × | × | |
7 | × | × | △ | △ | △ | △ | × | |
8 | × | × | △ | △ | × | △ | △ |
Claims (1)
- Fe를 주성분으로 하는 강 심선에 피복제가 코팅되어 있는 피복아크 용접봉에 있어서,상기 피복제가, 자체 중량%로, CaCO3: 40~60%, CaF2: 10~20%, SiO2: 2.5~8%, MgO: 1~2.5%, Mg-Al: 0.5~2%, TiO2: 3~8%, 합금성분: 15~25%, 나머지 바인더 및 기타 불가피한 불순물을 포함하여 이루어지고, SiO2/MgO의 함량비가 2~5를 만족하는 직류 아크 용접용 저수소계 피복 아크 용접봉.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030041356A KR100757835B1 (ko) | 2003-06-25 | 2003-06-25 | 직류 아크 용접용 저수소계 피복 아크 용접봉 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030041356A KR100757835B1 (ko) | 2003-06-25 | 2003-06-25 | 직류 아크 용접용 저수소계 피복 아크 용접봉 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050000813A KR20050000813A (ko) | 2005-01-06 |
KR100757835B1 true KR100757835B1 (ko) | 2007-09-11 |
Family
ID=37216699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030041356A KR100757835B1 (ko) | 2003-06-25 | 2003-06-25 | 직류 아크 용접용 저수소계 피복 아크 용접봉 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100757835B1 (ko) |
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2003
- 2003-06-25 KR KR1020030041356A patent/KR100757835B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
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KR20050000813A (ko) | 2005-01-06 |
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