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GB/T 5312 Grade 410 Carbon-Manganese Steel Seamless Pipe
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GB/T 5312 Grade 410 Carbon-Manganese Steel Seamless Pipe
GB/T 5312 Grade 410 is a grade of GB/T 5312 standard
GB/T 5312
carbon steel and carbon-manganese steel seamless steel pipe for ships
This standard specifies the classification, code, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of carbon steel and carbon-manganese steel seamless steel tubes (hereinafter referred to as steel pipes) for ships.
GB/T 5312 Grade 410 seamless steel pipe Quick Details
Type：Seamless Steel Pipe.
Material：Grade 410.
WT：5.6-20mm.
OD：23-219mm
Length：6M or specified length as required.
Ends：Plain End、Beveled End、Treaded
FOB Price: US $550-1400 / Ton | 1 Ton/Tons (Min. Order)
Additional Info
Port of Shipment: Tianjin, China
Payment Terms：T / T, LC
Delivery: 7-15 days after payment
Surface： Tubes will be varnished (Outside only) to prevent rust.
Marking：Standard + Steel Grade + Size + Heat No + Lot No
Package：Standard export package,suit for all kinds of transport, or as required
Mechanical Properties
| Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) |
| GB/T5312 | 410 | 410～530 | ≥235 | ≥22 |
Chemical Composition
| Standard | Grade | Chemical composition(%) | ||||
| C | Si | Mn | P | S | ||
| GB/T5312 | 410 | ≤0.21 | ≤0.35 | 0.40～1.20 | ≤0.035 | ≤0.035 |
Note: Residual elements Cr≤0.25%, Mo≤0.10%, Ni≤0.30%, Cu≤0.30%, total ≤0.70%
Size Tolerance
| Steel pipe | Outer diameter (OD) | Wall thickness(WT) | ||
| Cold drawn pipe | Outer diameter(mm) | tolerance | wall thickness(mm) | tolerance |
| ＞30～50 | ±0.3 | ≤30 | ±10％ | |
| ＞50～219 | ±0.8％ | |||
| Hot rolled pipe | ＞219 | ±1.0％ | ＞20 | ±10％ |
Application
GB/T 5312 Grade 410 seamless steel pipes are applicable to the manufacture of Class I pressure piping systems for ships, Class II pressure piping systems, carbon steel and carbon manganese steel seamless steel tubes for boilers and superheaters.
Tests and Inspection
Tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test
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