产品牌号 类别 分类标准及标号 基本化学成份典型值（%） 热处理 σ0.2 σb δ5 AKW

AWS A… EN… C Mn Si Cr Mo Ni Nb W V MPa MPa % ℃ J

union I CrMo GTAW 5.28: ER80S-G 12070: W CrMo 1 Si 0.10 1.00 0.60 1.10 0.50 - - - - SR1 450 560 22 +20 90

union I CrMo* GMAW 5.28: ER80S-G 12070: G CrMo 1 Si 0.09 1.05 0.60 1.10 0.50 - - - - SR1 450 560 22 +20 80

Thyssen MV CrMo MCAW 5.28: E80C-B2 H4 12071: T CrMo 1 MM 2 H5 0.07 1.0 0.35 1.00 0.50 - - - - SR1 470 560 20 +20 100

union I CrMo 910 GTAW 5.28: ER90S-G 12070: W CrMo 2 Si 0.07 1.00 0.60 2.55 1.00 - - - - SR1 470 590 20 +20 80

union I CrMo 910* GMAW 5.28: ER90S-G 12070: G CrMo 2 Si 0.09 0.90 0.55 2.55 1.00 - - - - SR1 460 570 20 +20 65

union I Cr 2 WV GTAW 5.28: ER90S-G 12070: W ZCrWV2 0.07 0.5 0.3 2.2 - - - 1.7 0.22 AW 850 950 - +20 30

union I Cr 2 WV* GMAW 5.28: ER90S-G 12070: G ZCrWV2 0.07 0.5 0.3 2.2 - - - 1.7 0.22 AW 850 950 - +20 30

union I CrMoVTi B GTAW 5.28: ER90S-G 12070: W ZCrMoV2 0.05 0.5 0.3 2.2 1.0 Ti:0.05 B:0.003 - 0.22 740℃/2h 500 600 20 +20 180

union I CrMoVTi B* GMAW 5.28: ER90S-G 12070: G ZCrMoV2 0.05 0.5 0.3 2.2 1.0 Ti:0.05 B:0.003 - 0.22 740℃/2h 500 600 20 +20 180

union I CrMo 5 GTAW 5.28: ER80S-B6 12070: W CrMo 5 Si 0.08 0.55 0.35 6.00 0.65 - - - - SR1 450 570 18 +20 100

union I CrMo 5* GMAW 5.28: ER80S-B6 12070: G CrMo 5 Si 0.08 0.55 0.35 6.00 0.65 - - - - SR1 450 550 18 +20 100

Thermanit MTS 3 GTAW 5.28: ER90S-B9 12070: W CrMo 9 1 0.10 0.50 0.30 9.00 1.00 0.70 0.06 - 0.20 SR4 520 620 16 +20 50

Thermanit MTS 3* GMAW 5.28: ER90S-B9 12070: G CrMo 9 1 0.10 0.50 0.30 9.00 1.00 0.70 0.06 - 0.20 SR4 520 620 16 +20 50

Thermanit MTS 3 FD* MCAW 5.28: E90C-B9 H4 12071: T ZM M 2 H5 0.09 0.75 0.2 9.0 1.1 0.65 0.04 - 0.2 SR4 550 680 16 +20 47

Thermanit MTS 4 Si GTAW - - 12070: W CrMoWV 12 Si 0.20 0.60 0.30 11.0 1.00 0.40 - 0.50 0.30 SR3 590 700 15 +20 35

Thermanit MTS 4 Si* GMAW 5.9: ≈ER505 12070: G CrMoWV 12 Si 0.20 0.60 0.30 11.0 1.00 0.40 - 0.50 0.30 SR3 590 700 15 +20 35

Thermanit MTS 616 GTAW 5.28: ER90S-G 12070: W Z CrMoWVNb 9 0.5 1.5 0.10 0.45 0.38 8.80 0.50 0.70 0.06 1.6 0.20 SR3 560 720 16 +20 41

Thermanit MTS 616* GMAW 5.28: ER90S-G 12070: G Z CrMoWVNb 9 0.5 1.5 0.10 0.45 0.38 8.80 0.40 0.60 0.06 1.6 0.20 SR3 560 720 16 +20 41

Thermanit MTS 911 GTAW 5.28: ER90S-G 12070: W Z CrMoWVNb 9 1 1 0.10 0.45 0.38 9.00 1.00 0.70 0.06 1.00 0.20 SR3 560 720 16 +20 41

Thermanit MTS 911* GMAW 5.28: ER90S-G 12070: G Z CrMoWVNb 9 1 1 0.10 0.45 0.38 9.00 1.00 0.70 0.06 1.00 0.20 SR3 560 720 16 +20 41