常用碳钢无缝管牌号及化学成分 标准 牌号 C S Mn P≤ S≤ Cr Mo V Ti B W No GB3087 10 0.07~0.13 0.17~0.37 0.35~0.65 0.025 0.020 ≤0.15 20 0.17~0.23 0.17~0.37 0.35~0.65 0.025 0.020 ≤0.25 DIN17175 St35.8 ≤0.17 0.10~0.35 0.40~0.80 0.025 0.020 St45.8 ≤0.21 0.10~0.35 0.40~1.20 0.025 0.020 15Mo3 0.12~0.20 0.10~0.35 0.40~0.80 0.025 0.020 0.25~0.35 GB5310 20G 0.17~0.24 0.17~0.37 0.35~0.65 0.025 0.020 20MnG 0.17~0.24 0.17~0.37 0.70~1.00 0.025 0.020 25MnG 0.22~0.30 0.17~0.37 0.70~1.00 0.025 0.020 15MoG 0.12~0.20 0.17~0.37 0.40~0.80 0.025 0.020 0.25~0.35 20MoG 0.15~0.25 0.17~0.37 0.40~0.80 0.025 0.020 0.44~0.55 12CrMoG 0.08~0.15 0.17~0.37 0.40~0.70 0.025 0.020 0.40~0.70 0.44~0.55 15CrMoG 0.12~0.18 0.17~0.37 0.40~0.70 0.025 0.020 0.80~1.10 0.44~0.55 12Cr2MoG 0.08~0.15 ≤0.50 0.40~0.70 0.025 0.020 2.00~2.50 0.90~1.20 12Cr1MoVG 0.08~0.15 0.17~0.37 0.40~0.70 0.025 0.020 0.90~1.20 0.25~0.35 0.15~0.30 12Cr2MoWNiB 0.08~0.15 0.45~0.75 0.45~0.65 0.025 0.020 1.60~2.10 0.50~0.65 0.28~0.42 0.08~0.18 0.002~0.008 0.30~0.55 10Cr9Mo1VNb 0.08~0.12 0.20~0.50 0.30~0.60 0.020 0.010 8.00~9.50 0.85~1.05 0.18~0.25 Ni Al N 0.06~0.10 ≤0.40 ≤0.40 0.030~0.070 JIS G3461 STB340 ≤0.18 ≤0.35 0.30~0.60 0.025 0.020 STB410 ≤0.32 ≤0.35 0.30~0.80 0.025 0.020 注:经协商,也可供其他牌号的钢管 Note:Other grade can also be privided after consulting with Suppliers
标准
牌号
C
S
Mn
P≤
S≤
Cr
Mo
V
Ti
B
W
No
GB3087
10
0.07~0.13
0.17~0.37
0.35~0.65
0.025
0.020
≤0.15
20
0.17~0.23
≤0.25
DIN17175
St35.8
≤0.17
0.10~0.35
0.40~0.80
St45.8
≤0.21
0.40~1.20
15Mo3
0.12~0.20
0.25~0.35
GB5310
20G
0.17~0.24
20MnG
0.70~1.00
25MnG
0.22~0.30
15MoG
20MoG
0.15~0.25
0.44~0.55
12CrMoG
0.08~0.15
0.40~0.70
15CrMoG
0.12~0.18
0.80~1.10
12Cr2MoG
≤0.50
2.00~2.50
0.90~1.20
12Cr1MoVG
0.15~0.30
12Cr2MoWNiB
0.45~0.75
0.45~0.65
1.60~2.10
0.50~0.65
0.28~0.42
0.08~0.18
0.002~0.008
0.30~0.55
10Cr9Mo1VNb
0.08~0.12
0.20~0.50
0.30~0.60
0.010
8.00~9.50
0.85~1.05
0.18~0.25
Ni
Al
N
0.06~0.10
≤0.40
0.030~0.070
JIS G3461
STB340
≤0.18
≤0.35
STB410
≤0.32
0.30~0.80