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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
CELL: 86-18526839451, 86-18526839452
EMAIL: admin@wanleipipe.com
WEBSITE: www.seamlesscarbonsteelpipe.com
ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)
Contact Information
GB/T3087 Seamless Steel Tubes
Our company long-term supply of domestic steel mills production of GB/ t3087-2008 seamless steel pipe,GB/T3087 boiler tube and other materials of seamless pipe products, our company will be reliable products, good reputation, low prices to serve the majority of users.
Description
GB/T3087 seamless steel tubes
Grade:
10#,20#
Length tolerance:
| Length | Tolerance |
| ≤6000mm | 0-10mm |
| ＞6000mm | 0-15mm |
Permissible deviation of outer diameter of steel tubes:
| Type of steel tube | Permissible deviation (mm) |
| Hot rolled (extruded, expanded) steel tube | ± 1.0% D or ± 0.50, take the greater number |
| Cold drawn (rolled) steel tube | ± 1.0% D or ± 0.30, take the greater number |
Permissible deviation of the wall thickness of hot rolled:
| Type of steel tube | Outer diameter of steel tube | S / D | Permissible deviation (mm) |
| Hot rolled (extruded) steel tube | ≤ 102mm | – | ± 12.5 % S or ± 0.40, take the greater number |
| > 102mm | ≤ 0.05 | ± 15% S or ± 0.40, take the greater number | |
| > 0.05 ~ 0.10 | ± 12.5% S or ± 0.40, take the greater number | ||
| > 0.10 | + 12.5% S -10% S | ||
| Hot expanded steel tube | ± 15% S | ||
hydraulically test and NDE:
The steel tube shall be hydraulically tested one by one. According to the requirements of the buyer, through negotiation between the supplier and the buyer, and as indicated in the contract, the steel tube shall be tested by ultrasonic inspection.
Product show:
Size:89mm*5.49mm
Length:6m
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