GB/T8162 Structural Seamless Steel Pipe
- GB/T8162
- China
- Stock
- Grade 10,20,35,45,Q345,15CrMo,12Cr1MoV
GB/T8162 - This standard applies to seamless steel tubes for general structural and mechanical structures.
GB/T8162 Structural Seamless Steel Pipe
GB/T8162 Structural Seamless Steel Pipe
GB/T8162 - This standard applies to seamless steel tubes for general structural and mechanical structures.
The main production of steel pipe grade:
Gr 10, Gr 20, Gr 35, Gr 45, Q345, 15CrMo, 12Cr1MoV
Steel pipe production process: hot rolling, cold drawing
GB/T8162 Structural Seamless Steel Pipe Quick Details
Type:Seamless Steel Pipe.
Material: Gr 10, Gr 20, Gr 35, Gr 45, Q345, 15CrMo, 12Cr1MoV
WT: 4.8-22mm.
OD: 21-323mm
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded
FOB Price: US $500-1300 / 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
Size tolerances of GB/T8162 Structural Seamless Steel Pipe :
| 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％ |
Mechanical Properties of GB/T8162 Structural Seamless Steel Pipe:
| Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) |
| GB/T8162 | 10 | ≥335 | ≥205 | ≥24 |
| 20 | ≥390 | ≥245 | ≥20 | |
| 35 | ≥510 | ≥305 | ≥17 | |
| 45 | ≥590 | ≥335 | ≥14 | |
| Q345 | ≥490 | ≥325 | ≥21 | |
| 15CrMo | ≥440 | ≥295 | ≥22 | |
| 12Cr1MoV | ≥490 | ≥245 | ≥22 |
Chemical Composition of GB/T8162 Structural seamless steel pipe
| Standard | Grade | Chemical composition(%) | |||||||||
| C | Si | Mn | P | S | Cu | Ni | Mo | Cr | V | ||
| GB/T8162 | 10# | 0.07～0.14 | 0.17～0.37 | 0.35～0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.15 | / |
| 20# | 0.17～0.24 | 0.17～0.37 | 0.35～0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | / | |
| 35# | 0.32～0.40 | 0.17～0.37 | 0.50～0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | / | |
| 45# | 0.42～0.50 | 0.17～0.37 | 0.50～0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | / | |
| Q345 | 0.12～0.20 | 0.20～0.55 | 1.20～1.60 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | / | |
| 15CrMo | 0.12～0.18 | 0.17～0.37 | 0.40～0.70 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | 0.40～0.55 | 0.80～1.10 | / | |
| 12Cr1MoV | 0.08～0.15 | 0.17～0.37 | 0.40～0.70 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | 0.25～0.35 | 0.90～1.20 | 0.15～0.30 | |
Application:
Seamless steel tubes for the manufacture of pipes, vessels, equipment, fittings and mechanical structures
Steel pipe weight calculation formula: [(outer diameter - wall thickness) * wall thickness] * 0.02466 = kg / m (weight per meter)
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