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ae Seamless Steel Tubes and Pipes for Boiler GB5310
Category:
Product Description
Seamless Steel Tubes and Pipes for Boiler
Standard：
GB/T5310
Application：
For Manufacture heating-pipelines, containers, coal-saving devices, superheaters and reheaters of high-pressure boilers. (P>9.8Mpa, 450℃< T<℃
Main Steel Tube Grades：
20G、20MnG、15MoG、15CrMoG、12Cr2MoG、12Cr1MoVG。
Other grades can also be provided after consulting with customers.
Mechanical Properties：
|
Standard |
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) |
Elongation(%) |
|
GB5310 |
20G |
410～550 |
≥245 |
≥24 |
|
20MnG |
≥415 |
≥240 |
≥22 |
|
|
15MoG |
450～600 |
≥270 |
≥22 |
|
|
15CrMoG |
440～640 |
≥235 |
≥21 |
|
|
12Cr2MoG |
450～600 |
≥280 |
≥20 |
|
|
12Cr1MoVG |
470～640 |
≥255 |
≥21 |
Chemical Composition：
|
Standard |
|
Grades |
Chemical Composition |
|||||||||
|
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
||
|
GB5310 |
|
20G |
0.17～0.24 |
0.17～0.37 |
0.35～0.65 |
≤0.030 |
≤0.030 |
/ |
/ |
≤0.20 |
≤0.25 |
/ |
|
|
20MnG |
0.17～0.24 |
0.17～0.37 |
0.70～1.00 |
≤0.030 |
≤0.030 |
/ |
/ |
≤0.20 |
≤0.25 |
/ |
|
|
|
15MoG |
0.12～0.18 |
0.17～0.37 |
0.40～0.80 |
≤0.030 |
≤0.030 |
/ |
0.25～0.35 |
≤0.20 |
≤0.30 |
/ |
|
|
|
15CrMoG |
0.12～0.18 |
0.17～0.37 |
0.40～0.70 |
≤0.030 |
≤0.030 |
0.80～1.10 |
0.40～0.55 |
≤0.20 |
≤0.30 |
/ |
|
|
|
12Cr2MoG |
0.08～0.15 |
≤0.50 |
0.40～0.70 |
≤0.030 |
≤0.030 |
2.00～2.50 |
0.90～1.20 |
≤0.20 |
≤0.30 |
/ |
|
|
|
12Cr1MoVG |
0.08～0.15 |
0.17～0.37 |
0.40～0.70 |
≤0.030 |
≤0.030 |
0.90～1.20 |
0.25～0.35 |
≤0.20 |
≤0.30 |
0.15～0.35 |
|
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Address: Pipeline Base Center, Cangzhou City, Hebei Province, China
Cangzhou Boqiang Pipeline Co., Ltd.