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Help CenterSteel Pipe & Tube&Hot-dip Galvanized Square Pipe，Q195, Q235B, Q355B, S235JR, S355JR, ASTM A500, ASTM A36
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Steel Pipe & Tube&Hot-dip Galvanized Square Pipe，Q195, Q235B, Q355B, S235JR, S355JR, ASTM A500, ASTM A36NegotiableMOQ: 5 Metric Tons -
Steel Pipe & Tube&Hot-dip Galvanized Round Pipe，Q195, Q235B, Q355B, S235JR, S355JR, ASTM A53, ASTM A36NegotiableMOQ: 5 Metric Tons
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Steel Pipe & Tube&Hot-dip Galvanized Round Pipe，Q195, Q235B, Q355B, S235JR, S355JR, ASTM A53, ASTM A36NegotiableMOQ: 5 Metric Tons
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Steel Pipe & Tube&Hot-dip Galvanized Round Pipe，Q195, Q235B, Q355B, S235JR, S355JR, ASTM A53, ASTM A36NegotiableMOQ: 5 Metric Tons
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Steel Pipe & Tube&Precision Steel Pipe，10#, 20#, 45#, Q345B, 16Mn, 20Cr, 40Cr, ST52, S45C, 1020, 1045NegotiableMOQ: 5 Metric Tons
1. Product Name
Hot-dip Galvanized Square Pipe, Galvanized Square Tube, Galvanized Square Hollow Section
2. Product Types
Hot-dip Galvanized Square Pipe, Hot-dip Galvanized Rectangular Pipe, Galvanized Square Steel Tube, Structural Galvanized Square Pipe
3. Production Process
Raw material inspection, cold rolling, welding, shaping, straightening, cutting, hot-dip galvanizing, passivation, surface finishing, packaging
4. Main Materials
Q195, Q235B, Q355B, S235JR, S355JR, ASTM A500, ASTM A36
5. Standard Specifications
Side length: 20mm × 20mm – 200mm × 200mm
Wall thickness: 0.8mm – 12.0mm
Length: 6m, 9m, 12m or customized length
Tolerance: Complies with GB/T 6728, ASTM A500, JIS G3466, EN 10210
6. Surface Treatment
Hot-dip galvanized (zinc coating thickness ≥ 85μm), passivated, smooth and even zinc layer
7. Execution Standards
GB/T 6728, GB/T 3091, ASTM A500, JIS G3466, EN 10210
8. Product Features
Uniform zinc coating and strong adhesion
Excellent corrosion resistance and long service life
Smooth surface and beautiful appearance
High dimensional accuracy and good straightness
Good weldability, machinability and structural strength
9. Main Applications
Steel structure construction, building frames and curtain walls
Guardrails, fences, scaffolding and pipe supports
Mechanical equipment, automobile frames and electrical poles
Greenhouse construction, pipeline engineering and decorative steel structures
10. Delivery Condition
Hot-dip galvanized surface as per customer requirements
11. Lead Time
5-7 days
12. Certificates
Mill Test Certificate (MTC), SGS, BV, TUV, CE
13. Payment Terms
T/T, L/C, D/P, D/A, Western Union
14. Loading Port
Tianjin, Qingdao, Shanghai, Ningbo, Shenzhen, Guangzhou
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