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Help CenterSteel Pipe & Tube&Precision Steel Pipe，10#, 20#, 45#, Q345B, 16Mn, 20Cr, 40Cr, ST52, S45C, 1020, 1045
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Steel Pipe & Tube&Precision Steel Pipe，10#, 20#, 45#, Q345B, 16Mn, 20Cr, 40Cr, ST52, S45C, 1020, 1045NegotiableMOQ: 5 Metric Tons -
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1. Product Name
Precision Steel Pipe, Precision Seamless Steel Tube, Precision Bright Steel Pipe, High Precision Cold Drawn Tube
2. Product Types
Cold Drawn Precision Steel Pipe, Cold Rolled Precision Steel Tube, Hydraulic Precision Pipe, Mechanical Precision Tube, High Precision Bright Pipe, Carbon Steel Precision Pipe
3. Production Process
Smelting, Continuous Casting, Piercing, Cold Drawing, Cold Rolling, Annealing, Straightening, Precision Cutting, Surface Polishing, Finishing
4. Main Materials
10#, 20#, 45#, Q345B, 16Mn, 20Cr, 40Cr, ST52, S45C, 1020, 1045
5. Standard Specifications
Outer Diameter: 4mm - 150mm
Wall Thickness: 0.5mm - 25mm
Length: 1m, 2m, 3m, 6m or Custom Precision Length
Tolerance: Outer Diameter ±0.01mm - ±0.05mm, Wall Thickness ±0.01mm - ±0.03mm, Complies with GB/T 3639, DIN 2391, EN 10305, ASTM A519
6. Surface Treatment
Bright Annealed, Pickled and Passivated, Polished, Oil Coated, Anti-Rust Treated
7. Execution Standards
GB/T 3639, GB/T 8162, DIN 2391, EN 10305-1, ASTM A519, JIS G3445
8. Product Features
Ultra-high dimensional accuracy and strict tolerance control
Bright and smooth inner & outer surface, no oxidation layer
High surface finish, good straightness and roundness
Excellent mechanical properties, high strength and toughness
Good machinability, bendability and pressure resistance
No need for secondary processing, saving production cost
9. Main Applications
Hydraulic and pneumatic system pipelines
Mechanical equipment parts, automobile transmission parts
Instrumentation, precision machinery components
Oil and gas precision pipelines, engineering machinery
Electric power, aviation and high-precision structural parts
10. Delivery Condition
Cold drawn / cold rolled, bright surface, annealed as per customer requirements
11. Lead Time
7-10 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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