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| Categories | Seamless Carbon Steel Pipe |
|---|---|
| Certification: | ISO 9001 ,CE |
| Place of Origin: | Jiangsu,China |
| MOQ: | 1 PCS |
| Payment Terms: | L/C, T/T, Western Union |
| Supply Ability: | 5000 Ton/Tons per Month |
| Delivery Time: | 7~10 working days |
| Product name: | Carbon Steel Pipe |
| Standard: | GB 3087 |
| Grade: | GB 3087 Grade 10 |
| Type: | Seamless Pipe(SMLS) |
| Thickness: Schedule: | STD, 40, XS, 80, XXS, 160 |
| Pipe end: | Plain end,Beveled end,Treaded |
| Company Info. |
| Qingdao Teste Metal Products Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
GB 3087——Seamless steel tube for low and medium pressure boilers
GB 3087 standard is applicable to the manufacture of high-quality
carbon structural steel hot-rolled (extruded, expanded) and cold
drawn (rolled) seamless steel tubes for various structural
low-pressure and medium-pressure boilers and locomotive boilers.
WORKING CONDITION
GB3087 STEEL PIPE MECHANICAL PERFORMANCE
| Standard | Grade | Chemical Composition(%) | |||||||
| C | Si | Mn | P | S | Cr | Cu | Ni | ||
| GB3087 | 10 | 0.07～0.13 | 0.17～0.37 | 0.38～0.65 | ≤0.030 | ≤0.030 | 0.3～0.65 | ≤0.25 | ≤0.30 |
mechanical properties:
| Standard | Steel pipe | Wall thickness(mm) | Tensile strength(MPa) | Yield Strength(MPa) | Elongation |
| GB3087 | 10 | / | 335～475 | ≥195 | ≥24 |
ALLOWABLE DEVIATION OF OUTER DIAMETER AND WALL THICKNESS
| Type of steel pipe | Outer diameter(mm) | Tolerance | ||
| ordinary | advanced | |||
| Hot rolled tube | OD | ≤159 | ±10%(min±0.50mm) | ±0.75%(min±0.40mm) |
| ＞159 | ±1.0% | ±0.90% | ||
| WT | ≤20 | ＋15.0%(min＋0.45mm) | ±10%(min±0.30mm) | |
| －12.5% －0.35mm) | ||||
| ＞20 | ±12.5% | ±10% | ||
| OD≥351 | ±15% | |||
| Cold drawn tube | OD | 10～30 | ±0.40mm | ±0.20mm |
| ＞30～50 | ±0.45mm | ±0.25mm | ||
| ＞50 | ±1.0% | ±0.75% | ||
| WT | 1.5～3.0 | 15% | ±10% | |
| -10% | ||||
| ＞3.0 | 12.50% | ±10% | ||
| -10% | ||||
PROCESS PERFORMANCE
Test:
- Chemical composition verification test
- hydrostatictest
- Tensile test
- Notched impact test
- Yield strength test
- Ring test
- Nondestructive testing
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