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Help CenterSquare Pipe＆Square Tube， Q235B, Q355B, S235JR, S355JR, SS400, A36, ST37-2, ST52-3
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Steel Round Bar & Alloy Steel Round Bar，Q235 / Q355 10# / 20# / 45# 40Cr / 35CrMoNegotiableMOQ: 5 Metric Tons
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Steel Round Bar & Alloy Steel Round Bar，Q235 / Q355 10# / 20# / 45# 40Cr / 35CrMoNegotiableMOQ: 5 Metric Tons
1. Product Name: Square Pipe, Square Tube, Square Hollow Section (SHS), Rectangular Pipe, Rectangular Tube, Rectangular Hollow Section (RHS)
2. Product Types: Welded Square Pipe, Seamless Square Pipe, Cold-Formed Square Pipe, Thin-Walled Square Pipe, Thick-Walled Square Pipe
3. Production Process: ERW (Electric Resistance Welding), Cold Bending, Hot Rolling
4. Main Materials: Q235B, Q355B, S235JR, S355JR, SS400, A36, ST37-2, ST52-3
5. Standard Specifications:
- Model Range: 20×20mm – 600×600mm (Square), 20×30mm – 600×400mm (Rectangular)
- Wall Thickness: 0.8mm – 30mm
- Standard Length: 6m, 9m, 12m, custom length available
6. Surface Treatment: Black (Hot Rolled/Cold Formed), Hot Dip Galvanized, Black Painted, Oiled
7. Standards: GB/T 6728, GB/T 3094, EN 10219, EN 10210, ASTM A500, JIS G3466
8. Features:
- High structural strength and strong load-bearing capacity
- Good bending resistance and stable mechanical properties
- Excellent weldability and machinability
- Smooth surface, easy for installation and construction
9. Applications: Steel structure buildings, bridges, curtain walls, guardrails, machinery manufacturing, shelves, vehicle frames, construction engineering
10. Packaging: Bundled with steel strips, standard seaworthy export packing
11. Delivery Condition: Cold formed / hot formed, black surface
12. Lead Time: 5-7 days for stock products
13. Certificates: Mill Test Certificate (MTC), SGS, BV, TUV as required
14. HS Code: 7216500000, 7216610000, 7216690000
15. Payment Terms: T/T, L/C, D/P
16. Trade Terms: EXW, FOB, CFR, CIF
17. Loading Port: Tianjin, Qingdao, Shanghai, Ningbo
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