| Solid Wire for MAG / MIG Welding 气体保护焊实芯焊丝 | ||||||||||||||||||||||
| Item Code | Norm of Wire | Welding Position | Current | Recommended Shield Gas |
Chemical Comb of Wire (%, typical) | Mechanical Properties of Deposited Metal (Typical) | Application | Remark | ||||||||||||||
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu | Other | Yield Point ReL (MPa) |
Tensile Strength Rm (MPa) |
Elongation A (%) | Akv Value (J) | Shield Gas | ||||||||
| Temp. (℃) | Joule | |||||||||||||||||||||
| CHW-40CNH | TB ER44-8 (Type I) | F,V, OH,H |
DC+ | CO2 or CO2(20%) + Ar(80%) | 0.07 | 1.34 | 0.59 | 0.010 | 0.014 | 0.31 | 0.32 | — | 0.38 | ≤0.5 | 400 | 520 | 25 | -40 | 90 | CO2 | Suitable for 450MPa grade low alloy steels structures, which resist temperature infection as well as atmospheric corrosion and marine corrosion, such as marine containers,railway wagons, offshore drilling platbs, bridges, etc. | |
| TB ER44-8 (Type II) | 0.07 | 1.15 | 0.47 | 0.010 | 0.015 | 0.30 | 0.31 | — | 0.35 | ≤0.5 | 415 | 525 | 26 | 100 | CO2(20%) + Ar(80%) | |||||||
| CHW-50C | AWS A5.18 ER70S-7 GB ER49-1 DIN 8559 SG3 EN 440 G4Si1 | F,V, OH,H |
DC+ | CO2 | 0.08 | 1.97 | 0.72 | 0.015 | 0.020 | — | — | — | 0.20 | ≤0.5 | 425 | 545 | 30 | 20 | 135 | CO2 | Single-pass & multi-pass welding for structures fabricated by 500MPa grade carbon steels or low alloy steels. Crack resistance of weld is satisfactory. | |
| CHW-50C2 | AWS A5.18 ER70S-2 GB ER50-2 | F,V, OH,H |
DC+ | CO2 or CO2(20%) + Ar(80%) | 0.05 | 1.20 | 0.60 | 0.010 | 0.016 | Al 0.08 |
Ti 0.11 |
Zr 0.08 |
0.20 | ≤0.5 | 445 | 540 | 25 | -30 | 60 | CO2 | Single-pass & multi-pass welding and butt or fillet structures fabricated by 450MPa or 500MPa grade mild steel or low alloy steels. Particularlly for the welding environment with impurities. | |
| 465 | 550 | 27 | -30 | 80 | CO2(20%) + Ar(80%) | |||||||||||||||||
| CHW-50C3 | AWS A5.18 ER70S-3 EN 440 G2Si1 JIS YGW16 CSA ER49S-3 GB ER50-3 | F,V, OH,H |
DC+ | CO2(20%) + Ar(80%) | 0.099 | 1.11 | 0.62 | 0.011 | 0.015 | — | — | — | 0.21 | ≤0.5 | 435 | 540 | 29 | -20 | 120 | CO2(20%) + Ar(80%) | Suitable for butt or fillet structures made of mild steel and 500MPa high tensile steel, in particular for high speed welding sheet steel. | Approvals: CWB, TUV |
| CHW-50C6SM | AWS A5.18 ER70S-6 CSA ER49S-6 BS A18 DIN 8559 SG2 GB ER50-6 EN 440 G3Si1 JIS YGW12 |
F,V, OH,H |
DC+ | CO2 | 0.06-0.15 | 1.40-1.85 | 0.80-1.15 | ≤0.035 | ≤0.025 | — | — | — | ≤0.5 | ≤0.5 | ≥375 | 490-660 | ≥22 | -20 | ≥47 | CO2 | For welding of structures fabricated by 500MPa grade mild steels or low alloy steels. It is widely used in marine containers, vehicles, ships and machineries. | Approvals: CCS, LR, ABS, GL, NK, BKI, CWB |
| 0.078 | 1.50 | 0.90 | 0.010 | 0.011 | — | — | — | 0.12 | 415 | 540 | 30 | 100 | ||||||||||
| CHW-50C8 | AWS A5.18 ER70S-G JIS YGW11 GB ER50-G | F,V, OH,H |
DC+ | CO2 or CO2(20%) + Ar(80%) | 0.1 | 1.45 | 0.71 | 0.013 | 0.011 | Ti 0.15 |
— | — | 0.14 | ≤0.5 | 440 | 560 | 30 | -30 | 75 | CO2 | Particularly for high speed backing welding for huge pipe lines that fabricated by X65 or X70 steels as well as other structures made by 450MPa or 500MPa grade carbon steels or low alloy steels. | |
| CHW-55B2 | AWS A5.28 ER80S-B2 JIS Z3316 YG1CM |
F,V, OH,H |
DC+ | CO2 or CO2(20%) + Ar(80%) | 0.075 | 1.22 | 0.68 | 0.009 | 0.013 | 1.21 | — | 0.50 | 0.14 | ≤0.5 | 505 | 610 | 21 | 20 | 90 | CO2 | Suitable for structures fabricated by 1.25Cr-0.5Mo series pearlitic heat-resisting low alloy steels such as heavy equipments of thermal power stations and nub power stations, petroleum & chemical industries which work temperature between 510℃ to 550℃. | Both preheating temperature and interpass temperature should between 180℃ to 300℃ and the welded piece should be tempered at 690℃ not shorter than 2 hour after welding. |
| 545 | 645 | 23 | 130 | CO2(20%) + Ar(80%) | ||||||||||||||||||
| CHW-55B2V | AWS A5.28 ER80S-G |
F,V, OH,H |
DC+ | CO2(20%) + Ar(80%) | 0.081 | 1.36 | 0.70 | 0.010 | 0.012 | 1.25 | V 0.26 |
0.61 | 0.15 | ≤0.5 | 640 | 720 | 20 | 20 | 70 | CO2(20%) + Ar(80%) | Suitable for structures fabricated by 1.25Cr-0.5Mo-0.25V series pearlitic heat-resisting low alloy steels such as heavy equipments of thermal power stations and nub power stations, petroleum & chemical industries which work temperature between 510℃ to 550℃ | Both preheating temperature and interpass temperature should between 180℃ to 300℃ and the welded piece should be tempered at 710-730℃ not shorter than 2 hour after welding |
| CHW-55CNH | TH-550-NQ-11 | F,V, OH,H |
DC+ | CO2(20%) + Ar(80%) | 0.08 | 1.40 | 0.45 | 0.008 | 0.012 | 0.65 | 0.35 | — | 0.25 | ≤0.3 | 520 | 625 | 26 | -40 | 80 | CO2(20%) + Ar(80%) | Suitable for railway wagons, vehicles, locomotives fabricated by atmospheric corrosion and infection resistance steels. | |
| CHW-60C | AWS A5.28 ER80S-G | F,V, OH,H |
DC+ | CO2 or CO2(20%) + Ar(80%) | 0.07 | 1.70 | 0.60 | 0.008 | 0.013 | Ti 0.15 |
— | 0.18 | 0.21 | ≤0.5 | 510 | 610 | 27 | -30 | 90 | CO2 | It is widely used in structures fabricated by 550MPa or 600MPa grade high tensile low alloy steels, e.g. X70, 62CF, 15MnMo, etc. | Both preheating temperature and interlayer temperature should between 60℃ to 150℃ and the welded piece should be tempered at 310℃ not shorter than 2 hour after welding. |
| 550 | 650 | 24 | 85 | CO2(20%) + Ar(80%) | ||||||||||||||||||
| CHW-60CG | AWS A5.28 ER80S-G | F,V, OH,H |
DC+ | CO2 | ≤0.11 | 1.60-2.00 | 0.48-0.80 | ≤0.015 | ≤0.015 | ≤0.30 | ≤0.30 | 0.10-0.40 | ≤0.50 | ≤0.5 | ≥490 | ≥610 | ≥20 | -30 | ≥47 | CO2 | It is suitable for welding 550MPa-600MPa grade flawless steels especially widely be used on the huge petroleum storage tanks. | Both preheating temperature and interlayer temperature should between 60℃ to 150℃ and the welded piece should be tempered at 310℃ not shorter than 2 hour after welding. |
| 0.07 | 1.70 | 0.60 | 0.010 | 0.013 | 0.05 | 0.02 | 0.20 | 0.20 | Ti 0.15 |
510 | 615 | 22 | 80 | |||||||||
| CHW-62B3 | AWS A5.28 ER90S-B3 JIS Z3316 YG2CM |
F,V, OH,H |
DC+ | CO2 or CO2(20%) + Ar(80%) | 0.092 | 0.92 | 0.64 | 0.006 | 0.015 | 2.31 | — | 1.04 | 0.30 | ≤0.5 | 550 | 680 | 20 | 20 | 80 | CO2 | Suitable for structures fabricated by 2.25Cr1Mo series pearlitic heat-resisting low alloy steels such as thermal power projects, nub & space projects, petroleum & chemical projects which working temperature below 580℃ . | Both preheating temperature and interpass temperature should between 200℃ to 300℃ and the welded piece should be tempered at 690℃ not shorter than 2 hour after welding. |
| 585 | 705 | 19 | 122 | CO2(20%) + Ar(80%) | ||||||||||||||||||
| CHW-65A | AWS A5.28 ER80S-G | F,V, OH,H |
DC+ | CO2(20%) + Ar(80%) | 0.06 | 1.60 | 0.60 | 0.006 | 0.010 | 0.40 | Ti & B Few |
0.20 | 0.12 | ≤0.5 | 515 | 615 | 28 | -20 | 110 | CO2(20%) + Ar(80%) | For multi-pass welding of heavy structures made by 550MPa or 600MPa grade high tensile low alloy steels such as hydro-projects and thermal power projects, petroleum & chemical projects as well as heavy engineering machineries. | Mechanical properties of deposited bl is as-welded |
| CHW-65C | AWS A5.28 ER80S-G | F,V, OH,H |
DC+ | CO2 or CO2(20%) + Ar(80%) | 0.06 | 1.64 | 0.61 | 0.006 | 0.011 | Ti & B Few |
0.70 | 0.19 | 0.11 | ≤0.5 | 510 | 605 | 27 | -20 | 120 | CO2 | For multi-pass welding of heavy structures made by 550MPa or 600MPa grade high tensile low alloy steels such as hydro-projects and thermal power projects, petroleum & chemical projects as well as heavy engineering machineries. | Mechanical properties of deposited bl is as-welded |
| CHW-65CG | AWS A5.28 ER80S-G | F,V, OH,H |
DC+ | CO2 | ≤0.11 | 1.40-1.80 | 0.30-0.80 | ≤0.015 | ≤0.020 | ≤0.60 | ≤1.00 | 0.10-0.40 | ≤0.50 | ≤0.5 | ≥490 | ≥610 | ≥20 | -30 | ≥50 | CO2 | It is suitable for welding 550MPa-600MPa grade flawless steels especially widely be used on the huge petroleum storage tanks. | Both preheating temperature and interlayer temperature should between 60℃ to 150℃ and the welded piece should be tempered at 310℃ not shorter than 2 hour after welding. |
| 0.06 | 1.60 | 0.60 | 0.008 | 0.011 | 0.04 | 0.06 | 0.20 | 0.20 | Ti 0.08 |
530 | 630 | 22 | 60 | |||||||||
| CHW-70C | AWS A5.28 ER100S-G &n, bsp; | F,V, OH,H |
DC+ | CO2 or CO2(20%) + Ar(80%) | 0.083 | 1.72 | 0.62 | 0.008 | 0.014 | Ti 0.10 |
1.14 | 0.42 | 0.24 | ≤0.5 | 630 | 720 | 21 | -20 | 70 | CO2 | For welding of heavy structures made by 690MPa or 720MPa grade high tensile low alloy steels such as hydro-projects and thermal power projects, petroleum & chemical projects,heavy engineering machineriers as well as heavy trucks. | Both preheating temperature and interpass temperature should between 60℃ to 150℃ and the welded piece should be tempered at 310℃ not shorter than 2 hour after welding. |
| 650 | 750 | 23 | 95 | CO2(20%) + Ar(80%) | ||||||||||||||||||
| CHW-80C | AWS A5.28 ER110S-G | F,V, OH,H |
DC+ | CO2(20%) + Ar(80%) | 0.074 | 1.75 | 0.47 | 0.004 | 0.008 | 0.30 | 2.11 | 0.54 | 0.20 | ≤0.5 | 665 | 775 | 23 | -40 | 90 | CO2(20%) + Ar(80%) | For multi-pass welding of heavy structures made by 760MPa grade high tensile low alloy steels, e.g. heavy engineering machineries. | Both preheating temperature and interpass temperature should between 180℃ to 190℃ and the welded piece should be tempered at 310℃ not shorter than 2 hour after welding |
| CHW-80C1 | AWS A5.28 ER110S-G | F,V, OH,H |
DC+ | CO2(20%) + Ar(80%) | 0.076 | 1.72 | 0.45 | 0.006 | 0.007 | 0.32 | 2.15 | 0.53 | 0.21 | ≤0.5 | 700 | 820 | 18 | -40 | 115 | CO2(20%) + Ar(80%) | Fabricating heavy structures made by 800MPa grade high tensile low alloy steels of CF80,WEL-TEN80C etc.such as bridges, marine engineering projects, heavy engineering machineries. | Both preheating temperature and interpass temperature should between 180℃ to 190℃ and the welded piece should be tempered at 310℃ not shorter than 2 hour after welding |
