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sao tome and principe Seamless Steel Tubes for Low and Medium Pressure Boiler GB3087
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Category:
Product Description
Seamless Steel Tubes for Low and Medium Pressure Boiler
Standard:
GB/T3087
Application:
For Manufacturing heating-pipelines, containers, steaming pipelines of low or medium pressure boilers (P≤5.88Mpa, T≤450℃)
Main Steel Tube Grades:
10#、20#
Other grades can also be provided after consulting with customers.
Mechanical Properties:
|
Standard |
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) |
Elongation(%) |
|
GB3087 |
10 |
335~475 |
≥195 |
≥24 |
|
20 |
410~550 |
≥245 |
≥20 |
Chemical Composition:
|
Standard |
Grade |
Chemical Composition |
|||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
||
|
GB3087 |
10 |
0.07~0.14 |
0.17~0.37 |
0.35~0.65 |
≤0.035 |
≤0.035 |
≤0.15 |
/ |
≤0.25 |
≤0.25 |
/ |
|
20 |
0.17~0.24 |
0.17~0.37 |
0.35~0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
/ |
≤0.25 |
≤0.25 |
/ |
|