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牌   號(hào)

化學(xué)成分(熔煉分析)%

優(yōu) 質(zhì) 碳 素 結(jié) 構(gòu) 鋼

20G

碳0.17~0.24,錳0.35~0.65,硅0.17~0.37,磷<0.030,硫<0.030,銅<0.20,鉻,鎳各<0.25,

釩<0.08,鉬<0.15

20MnG

碳0.17~0.24,錳0.70~1.00,硅0.17~0.37,磷<0.030,硫<0.030,銅<0.20,鉻,鎳各<0.25,

釩<0.08,鉬<0.15

25MnG

碳0.22~0.30,錳0.70~1.00,硅0.17~0.37,磷<0.030,硫<0.030,銅<0.20,鉻,鎳各<0.25,

釩<0.08,鉬<0.15

合 金 結(jié) 構(gòu) 鋼

15MoG

碳0.12~0.20,錳0.40~0.80,硅0.17~0.37,磷<0.030,硫<0.030,銅<0.20,鉻,鎳各<0.30,

鉬0.25~0.35

20MoG

碳0.15~0.25,錳0.40~0.80,硅0.17~0.37,磷<0.030,硫<0.030,銅<0.20,鉻,鎳各<0.30,

鉬0.44~0.65

12CrMoG

碳0.08~0.15,錳0.40~0.70,硅0.17~0.37,磷<0.030,硫<0.030,銅<0.20,鉻,鎳各<0.30,

鉻0.04~0.70,鉬0.40~0.55

15CrMoG

碳0.12~0.18,錳0.40~0.70,硅0.17~0.37,磷<0.030,硫<0.030,銅<0.20,鎳<0.30,

鉻0.80~1.10,鉬0.40~0.55

12Cr2MoG

碳0.08~0.15,錳0.40~0.70,硅<0.50,磷<0.030,硫<0.030,銅<0.20,鎳<0.30,

鉻2.00~2.50,鉬0.90~1.20

12Cr1MoVG

碳0.08~0.15,錳0.40~0.70,硅0.17~0.37,磷<0.030,硫<0.030,銅<0.20,鎳<0.30,

釩0.15~0.30鉻0.90~1.20鉬0.25~0.35

12Cr2Mo-

WVTiB

碳0.08~0.15,錳0.45~0.65,硅0.45~0.75,磷<0.030,硫<0.030,銅<0.20,鎳<0.30,

釩0.28~0.42鉻1.60~2.10鉬0.50~0.65鈦0.08~0.18,硼0.002~0.008鎢0.30~0.55

12Cr3Mo-

VSiTiB

碳0.09~0.15,錳0.50~0.80,硅0.60~0.90,磷<0.030,硫<0.030,銅<0.20,鎳<0.30,

釩0.25~0.35鉻2.50~3.00鉬1.00~1.20鈦0.22~0.38,硼0.005~0.011

10Cr9Mo1-

VNb

碳0.08~0.12,錳0.30~0.60,硅0.20~0.50,磷<0.020,硫<0.010,銅<0.20,鎳<0.40,

釩0.18~0.25鉻8.00~9.50鉬0.85~1.50鈮0.60~0.10,氮0.030~0.070鋁<0.040

                             不 銹 耐 熱 鋼

1Cr18Ni9

碳<0.15,錳<2.00,硅<1.00,磷<0.035,硫<0.030,銅<0.20,鎳8.00~10.00,

鉻17.00~19.00

1Cr19-

Ni11Nb

碳0.04~0.10,錳<2.00,硅<1.00,磷<0.030,硫<0.030,鎳9.00~13.00,

鉻17.00~20.00,鈮+鉭>0.80~1.00