Steel Pipe & Tube&Precision Steel Pipe,10#, 20#, 35#, 45#, 16Mn, 20Cr, 40Cr, ST52, S45C
1. Product Name
Precision Steel Pipe, Precision Seamless Steel Pipe, High Precision Steel Tube, Bright Precision Pipe
2. Product Types
Cold Drawn Precision Steel Pipe
Cold Rolled Precision Steel Pipe
Precision Bright Steel Pipe
Precision Hydraulic Pipe
Precision Mechanical Pipe
3. Main Material Grades
10#, 20#, 35#, 45#, 16Mn, 20Cr, 40Cr, ST52, S45C
4. Standard Specifications
Outer Diameter: 4mm – 120mm
Wall Thickness: 0.5mm – 20mm
Length: 1m – 12m or customized
End Treatment: Plain end, beveled end
5. Packing
Bundle packing with steel strips, wrapped with plastic film or woven bag
6. Tolerance
Outer Diameter Tolerance: ±0.02mm – ±0.1mm
Wall Thickness Tolerance: ±0.02mm – ±0.1mm
Length Tolerance: ±0.5mm – ±5mm
Straightness: ≤0.3mm/m
7. Execution Standards
GB/T 8162, GB/T 8163, DIN 2391, EN 10305
8. Product Features
High dimensional accuracy and high precision
Bright and smooth inner and outer surface
Uniform wall thickness
Good straightness
High mechanical strength
Good machinability and processability
Good fatigue resistance
9. Main Applications
Hydraulic and pneumatic systems
Mechanical equipment parts
Automotive components
Machining manufacturing
Instrument and apparatus
Engineering machinery
10. Delivery Condition
Cold drawn, cold rolled, bright finished, annealed
11. Surface Treatment
Bright surface, oil coated, anti-rust treatment
12. Lead Time
5–7 days
13. Certificates
Mill Test Certificate (MTC), ISO 9001, SGS, BV
14. Payment Terms
T/T, L/C, D/P, D/A
15. Loading Port
Tianjin, Qingdao, Shanghai
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