Seamless steel tubes for high / low and medium pressure boilers |
10.20 etc. |
GB3087 |
High qualuty carbon structural seamless ateel pipes for manufacturing of different kinds of low and medium pressure boilers. |
SA106B, SA106C |
ASME SA106 |
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SA179/ SA192/ SA210A1, SA210C/ T11, T12, T22, T23, T91, T92 |
ASME SA179/192/210/213 |
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P11, P12, P22, P23, P36, P91, P92 |
ASME SA335 |
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ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910 |
DIN17175 |
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P195GH, P235GH, P265GH, 16Mo3 |
EN10216-2 |
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20G, 20MnG, 25MnG, 15CrMoG, 12Cr1MoVG, 12Cr2MoG |
GB5310 |
GB5310-2008 Chemical Component |
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no |
grade |
Chemical Component % |
Mechanical Property |
|||||||||||||||||||
|
|
C |
Si |
Mn |
Cr |
Mo |
V |
Ti |
B |
Ni |
Alt |
Cu |
Nb |
N |
W |
P |
S |
Tensile MPa |
Yield MPa |
Extend L/T |
Impect (J) Vertical/ Horizontal |
handness HB |
1 |
20G |
0.17- 0.23 |
0.17- 0.37 |
0.35- 0.65 |
≤ 0.25 |
≤ 0.15 |
≤ 0.08 |
— |
— |
≤ 0.25 |
— |
≤ 0.20 |
— |
— |
— |
≤ 0.025 |
≤ 0.015 |
410- 550 |
≥ 245 |
24/22% |
40/27 |
— |
2 |
20MnG |
0.17- 0.23 |
0.17- 0.37 |
0.70- 1.00 |
≤ 0.25 |
≤ 0.15 |
≤ 0.08 |
— |
— |
≤ 0.25 |
— |
≤ 0.20 |
— |
— |
— |
≤ 0.025 |
≤ 0.015 |
415- 560 |
≥ 240 |
22/20% |
40/27 |
— |
3 |
25MnG |
0.22- 0.27 |
0.17- 0.37 |
0.70- 1.00 |
≤ 0.25 |
≤ 0.15 |
≤ 0.08 |
— |
— |
≤ 0.25 |
— |
≤ 0.20 |
— |
— |
— |
≤ 0.025 |
≤ 0.015 |
485- 640 |
≥ 275 |
20/18% |
40/27 |
— |
4 |
15MoG |
0.12- 0.20 |
0.17- 0.37 |
0.40- 0.80 |
≤ 0.30 |
0.25- 0.35 |
≤ 0.08 |
— |
— |
≤ 0.30 |
— |
≤ 0.20 |
— |
— |
— |
≤ 0.025 |
≤ 0.015 |
450- 600 |
≥ 270 |
22/20% |
40/27 |
— |
6 |
12CrMoG |
0.08- 0.15 |
0.17- 0.37 |
0.40- 0.70 |
0.40- 0.70 |
0.40- 0.65 |
≤ 0.08 |
— |
— |
≤ 0.30 |
— |
≤ 0.20 |
— |
— |
— |
≤ 0.025 |
≤ 0.015 |
410- 560 |
≥ 205 |
21/19% |
40/27 |
— |
7 |
15CrMoG |
0.12- 0.18 |
0.17- 0.37 |
0.40- 0.70 |
0.80- 1.10 |
0.40- 0.55 |
≤ 0.08 |
— |
— |
≤ 0.30 |
— |
≤ 0.20 |
— |
— |
— |
≤ 0.025 |
≤ 0.015 |
440- 640 |
≥ 295 |
21/19% |
40/27 |
— |
8 |
12Cr2MoG |
0.08- 0.15 |
≤ 0.50 |
0.40- 0.60 |
2.00- 2.50 |
0.90- 1.13 |
≤ 0.08 |
— |
— |
≤ 0.30 |
— |
≤ 0.20 |
— |
— |
— |
≤ 0.025 |
≤ 0.015 |
450- 600 |
≥ 280 |
22/20% |
40/27 |
— |
9 |
12Cr1MoVG |
0.08- 0.15 |
0.17- 0.37 |
0.40- 0.70 |
0.90- 1.20 |
0.25- 0.35 |
0.15- 0.30 |
— |
— |
≤ 0.30 |
— |
≤ 0.20 |
— |
— |
— |
≤ 0.025 |
≤ 0.015 |
470- 640 |
≥ 255 |
21/19% |
40/27 |
— |
10 |
12Cr2MoWVTiB |
0.08- 0.15 |
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 |
— |
≤ 0.20 |
— |
— |
0.30- 0.55 |
≤ 0.025 |
≤ 0.015 |
540- 735 |
≥ 345 |
18/-% |
40/- |
— |
11 |
10Cr9Mo1VNbN |
0.08- 0.12 |
0.20- 0.50 |
0.30- 0.60 |
8.00- 9.50 |
0.85- 1.05 |
0.18- 0.25 |
≤ 0.01 |
— |
≤ 0.40 |
≤ 0.020 |
≤ 0.20 |
0.06- 0.10 |
0.030- 0.070 |
— |
≤ 0.020 |
≤ 0.010 |
≥ 585 |
≥ 415 |
20/16% |
40/27 |
≤ 250 |
12 |
10Cr9MoW2VNbBN |
0.07- 0.13 |
≤ 0.50 |
0.30- 0.60 |
8.50- 9.50 |
0.30- 0.60 |
0.15- 0.25 |
≤ 0.01 |
0.0010- 0.0060 |
≤ 0.40 |
≤ 0.020 |
≤ 0.20 |
0.40- 0.09 |
0.030- 0.070 |
1.50- 2.00 |
≤ 0.020 |
≤ 0.010 |
≥ 620 |
≥ 440 |
20/16% |
40/27 |
≤ 250 |