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Help CenterSteel Pipe & Tube，Q235B, Q355B, 10#, 20#, 45#, 16Mn, S235JR, S355JR, ASTM A53, ASTM A106, API 5L, JIS G3454
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Steel Pipe & Tube，Q235B, Q355B, 10#, 20#, 45#, 16Mn, S235JR, S355JR, ASTM A53, ASTM A106, API 5L, JIS G3454NegotiableMOQ: 5 Metric Tons -
Steel Pipe & Tube，Q235B, Q355B, 10#, 20#, 45#, 16Mn, S235JR, S355JR, ASTM A53, ASTM A106, API 5L, JIS G3454NegotiableMOQ: 5 Metric Tons
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1. Product Name
Steel Pipe, Carbon Steel Pipe, Seamless Steel Pipe, Welded Steel Pipe, ERW Steel Pipe, Galvanized Steel Pipe, Black Steel Pipe, Precision Steel Pipe
2. Product Types
Seamless Steel Pipe, ERW Welded Steel Pipe, Galvanized Steel Pipe, Black Steel Pipe, Round Steel Pipe, Fluid Pipe, Boiler Pipe, Structural Pipe, API Pipe, Precision Steel Pipe
3. Production Process
Raw material inspection → Cutting → Heating → Piercing / Rolling → Sizing → Straightening → Cutting to length → Surface treatment → Inspection → Packing
4. Main Materials
Q235B, Q355B, 10#, 20#, 45#, 16Mn, S235JR, S355JR, ASTM A53, ASTM A106, API 5L, JIS G3454
5. Standard Specifications
Outer Diameter: 6mm – 630mm
Wall Thickness: 1.5mm – 50mm
Length: 6m, 9m, 12m, customized length available
Tolerance: Conforms to GB/T 8162, GB/T 8163, API 5L, EN 10217, ASTM A53
6. Surface Treatment
Anti-rust oil coated, black painted, hot dip galvanized, varnish coated, shot blasted, beveled ends (customizable)
7. Execution Standards
GB/T 8162, GB/T 8163, API 5L, EN 10217, ASTM A53, ASTM A106, JIS G3454
8. Product Features
High pressure resistance and good sealing performance
Uniform wall thickness and stable mechanical properties
Excellent weldability and machinability
Smooth inner and outer surface, low flow resistance
Strong corrosion resistance with surface treatment
Wide adaptability to various working conditions
9. Main Applications
Fluid transportation: water, oil, gas, steam pipeline
Boiler and pressure vessel equipment
Petroleum and natural gas transmission
Structural support and steel structure engineering
Mechanical manufacturing and automobile parts
Construction scaffolding and pipe fittings
Chemical engineering and power plant pipelines
10. Delivery Condition
Seamless / welded, black finish, galvanized, oiled, beveled ends
Standard export packing: bundled with steel strips, protected with caps
11. Lead Time
5-7 days
12. Certificates
Mill Test Certificate (MTC), SGS, BV, TUV, API, ISO 9001
13. Payment Terms
T/T, L/C, D/P, D/A, Western Union, MoneyGram
14. Loading Port
Tianjin, Qingdao, Shanghai
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