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marine pipe

Specification:14-426*1.5-60;
Materials:410, 490 and 440
Standard:GB/T5312-1999 (hot rolling, extrusion and pipe expanding)

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Marine pipe also called ship tube is mainly utilized in shipbuilding. Compared to other seamless steel pipes (like 20#, 45#), marine pipe performance has very high corrosion resistance, high pressure resistance and high temperature resistance. The main materials are 410, 490 and 440; the executive standard is GB/T5312-1999 (hot rolling, extrusion and pipe expanding), Scope of general specification is 14-426*1.5-60.
 
Marine Pipe

marine pipe

Dimension Tolerance of Marine Pipe
Tolerance Level Allowed Tolerance
D1 ±1.5%, Min. ±0.75 mm
D2 ±1.0%, Min. ±0.50 mm
D3 ±0.75%, Min. ±0.30 mm
D4 ±0.75%, Min. ±0.30 mm
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