Structural Steel Pipe

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Structural Steel Pipe

The structural steel pipe is manufactured for the applications of general and mechanical structure. It has been widely used as the structural tube such as construction scaffold and machining in the fields of construction, machinery, traffic, aviation, oil exploitation, etc.

Production Process
The structural steel pipe is produced through the following processes.
1. Round Tube Billet
2. Heating
3. Piercing
4. Skew Rolling, Continuous Rolling or Extrusion by Three-roll
5. Tube Detaching
6. Sizing or Diameter Reducing
7. Cooling
8. Straightening
9. Marking
10. Warehousing

Technical Specifications
1. Outside Diameter: 20-426 mm
2. Wall Thickness: 4-100 mm
3. Material of Steel: 10, 15, 20, 35, 45, 20Mn, 25Mn, Q345(A, B, C, D, E), 40Mn2, 45Mn2, 27SiMn, 37Mn5, 40MnB, 45MnB, 20Mn2B, 20Cr, 40Cr, 12CrMo, 15CrMo, 20CrMo, 35CrMO, 42CrMo, 12CrMoV, 12Cr1MoV, 38CrMoAl, 20CrMnSi, 30CrMnSi, 20CrMnTi, 30CrMnTi, 40CrNiMo, etc
4. Standard: GB/T 8162, DIN 1629, ASTM A500, ASTM A501, ASTM A519, JIS G3441, JIS G3444
5. Manufacturing Method: Hot Rolling

The delivery status for hot rolled steel tube is hot rolling or heat treatment. If customers require the delivery status of heat treatment, this clause should be written into the contract.

As an experienced structural steel pipe manufacturer and supplier in China, Liaocheng Yaxinda Steel Pipe Co.,Ltd. provides a wide range of products that includes ERW steel pipe, cold rolled precision tubes, hot rolled seamless steel pipe, and more.

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