Main Products: casing ,Tubing ,line pipes ,cylinder pipes ,Boiler Tube
Seamless steel pipe for petroleum cracking
USD $10 - $20 /Metric Ton
Min.Order:1000 Metric Tons
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Beijing Hengzhixinda Trade Co., Ltd.
Business Type: Trading Company
Beijing ChinaMain Products: casing ,Tubing ,line pipes ,cylinder pipes ,Boiler TubeProduct Details
Seamless steel pipe for petroleum cracking
Standard : GB 9948
Steel pipe type | Steel pipe size | Allowed tolerance | |
Hot roll | Outside diameter | ≤ 159 | ± 1.00% |
> 159 | ± 1.25% | ||
Wall thickness | ≤ 20 | ± 12.5% | |
> 20 | ± 10.0% | ||
cold drawn | Outside diameter | ≤ 30 | ± 0.20 |
30~50 | ± 0.30 | ||
> 50 | ± 0.8% | ||
Wall thickness | ≤ 3 | + 12% - 10% | |
> 3 | ± 10% | ||
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Contact person: Charlene
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