Origin |
China |
Brand Name |
dongyue |
Grade |
q235b,b,st33,st52,x42,x60 |
Length |
12m |
Outer Diameter |
219mm up to 2820mm |
Technique |
Welded |
Thickness |
6mm up to 25mm |
Usage |
piling pipe,structure steel |
p> the welded pipe mainly used in construction ,eg building ,bridge ,water hydropower stataion ,piling pipe and other projects
In China, usually use Q235B material
STANDARD:1.ERW STEEL PIPE: GB/T3091 for low press fluid service , GB.T13793
2.Spiral steel pipe: SY/T5037 for low press fluid service.
also we can produce as your personal requirement, the minmum quantity based on the material and size .
| theoretical parameters of Q235B |
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| chemical composition: |
C:0.12~0.2% |
Mn:0.35~0.8 |
Si≤0.3 |
S≤0.045 |
P≤0.045 |
| mechanical property: |
tensile strength:375-500MPa |
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yield strength:235MPa |
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| testing: Hydrostatic pressure test |
| Non-destructive testing |
| Tensile testing of welded joint |
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