St35.8-St45.8/I,St35.8-St45.8/III
Outer Diameter: 1/8 to 24 inches.
Outer Diameter: 1/8 to 24 inches.
15mm to 650mm
Wall-thickness:2mm to45mm
Length:Random Length,Fixed Length,SRL,DRL.
Wall-thickness:2mm to45mm
Length:Random Length,Fixed Length,SRL,DRL.
Normally 5.8m,6m,9m,11.8m,12m etc.
Surface treatment :Black painting,varnish coating,PE,2PE,3PE,black oil coating,rust-proof painting ,galvanized or as customer's request.
End finished:Beveled,square cut,threaded&coupled.
Additional service:Internal coating.
Test:Chemical Analysis,Mechanical Properties,Technical Properties,Exterior Size Inspection,Hydrostatic,X-ray,Test,NDT test.
Mill Test Certification:EN10204/3.1B
●Size deviation
Category | Size | Allowable deviation | |
Hot-rolled pipe | Outer diameter(mm) | ≤ 159 | ± 1.00% |
> 159 | ± 1.25% | ||
Wall thickness(mm) | ≤ 20 | ± 12.5% | |
> 20 | ± 10.0% | ||
cold drawn pipe | Outer diameter(mm) | ≤ 30 | ± 0.20 |
30~50 | ± 0.30 | ||
> 50 | ± 0.8% | ||
Wall thickness(mm) | ≤ 3 | + 12% - 10% | |
> 3 | ± 10% | ||
Looking forward to your inquiry,Thank you!
