Phosphate Coated Cold Drawn Seamless Steel Pipe with High Precision

Technique: Cold DrawingOD: 21mm~416mmWall thickness: 0.8mm~20mmToleraance of size: ±0.1mm(outer diameter).Cold Drawn Precision Seamless Steel Tube  by Material 20#Standard: GB/T8162, GB/T8163, GB/T3639, DIN2391-2Steel material: 20#(AISI 1020/DIN1.0402 C22), 45#(ASTM 1045,DIN45), 20Cr, Q345B, etcUsage: widely use

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Technique: Cold Drawing
OD: 21mm~416mm
Wall thickness: 0.8mm~20mm
Toleraance of size: ±0.1mm(outer diameter).
Cold Drawn Precision Seamless Steel Tube  by Material 20#
Standard: GB/T8162, GB/T8163, GB/T3639, DIN2391-2
Steel material: 20#(AISI 1020/DIN1.0402 C22), 45#(ASTM 1045,DIN45), 20Cr, Q345B, etc
Usage: widely used for mechanical processing, Automobile industry, hydraulic equipments
Advantages of our high precision seamless pipe:
1.       Smaller caliber
2.       Accept small qty order
3.       Good surface treatment
4.       The pipe with superior performance, suitable for mechanical making
Phosphate Coated Cold Drawn Seamless Steel Pipe with High Precision
Phosphate Coated Cold Drawn Seamless Steel Pipe with High Precision
Phosphate Coated Cold Drawn Seamless Steel Pipe with High Precision
Phosphate Coated Cold Drawn Seamless Steel Pipe with High Precision
Phosphate Coated Cold Drawn Seamless Steel Pipe with High Precision
Phosphate Coated Cold Drawn Seamless Steel Pipe with High Precision


Chemical Composition
MaterialChemical composition (%)
CMnPSSiNiCu
20#
AISI 1020
0.17~0.230.35~0.65≤0.035≤0.0350.17~0.37≤0.3≤0.25
45#
ASTM1045, DIN45
0.42~0.50.5~0.8≤0.04≤0.0450.17~0.37≤0.25≤0.25
Mechanical Properties
Steel materialTensile Strength MpaYield strength MpaElongation
%
HardnessStraightness
20#≥510≥245≥25≤156HB0.3~1.0
45#≥647≥355≥16≤HRC620.3~1.0
 
 

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