Product Overview：
Seamless steel pipes for ships belong to the category of seamless steel pipes, which have strict technical requirements for the type of steel used in pipe making. Seamless steel pipes for ships are suitable for Class I pressure resistant piping systems, Class II pressure resistant piping systems, boilers, and superheaters; The working temperature of carbon steel seamless steel pipes for ships should not exceed 450 ℃, while alloy steel seamless steel pipes are suitable for pipe wall working temperatures above 450 ℃. The specification range of seamless steel pipes for ships is 8-1240 × 1-200mm, and the mainstream material grades are C320, C360, C410, C460, C490.
| Product List |
| Product Name: | GB5312 Seamless carbon steel and carbon manganese steel pipes for ships |
| Product Name: | 320 seamless steel pipe for ships | seamless pipe |
| Product Name: | 410 seamless steel pipe for ships | seamless pipe |
| Product Name: | Hot rolled seamless steel pipe for ships | Seamless pipe |
| Product Name: | Cold drawn seamless steel pipe for ships | Seamless pipe |
| Product Name: | National standard ship specific pipe | Seamless steel pipe |
| Parameter range |
| Outer diameter | Φ6mm‑Φ219mm |
| Wall thickness | 0.5mm‑20mm |
| Standard length | 1‑12m， Support customization of short and long scales |
| Outer diameter accuracy | Maximum ± 0.03mm |
| Non-standard customization | Customization of seawater resistant materials, groove processing, pressure resistant treatment, anti-corrosion technology, and precision inner hole processing can all be customized |
Optional tolerance range |
| Tolerance control | Optional manufacturing process |
| Tolerance ≤ 0.05 mm | Cold rolling |
| Tolerance ≤ 0.10 mm | Cold rolling |
| Tolerance ≤ 0.30 mm | Cold drawing | Cold rolling |
| Tolerance ≤ 0.50 mm | Cold drawing | Hot rolling |
| Tolerance ≤ 1.00 mm | Hot rolling | Hot expanding |
Optional delivery status
|
| Oil removal from oil pipes | Annealing and straightening | Steel pipe corrosion prevention |
| Steel pipe threading | Length cut-to-length | Steel pipe coating |
| Steel pipe cap | Exquisite bundling | Beveling |
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