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Precision Steel Pipe

  • GB/T3639 Precision seamless steel pipe
  • GB/T3639 Precision seamless steel pipe
  • GB/T3639 Precision seamless steel pipe

    GB/T3639 Precision seamless steel pipe

    Description:

    Standard:GB/T 3639-2009

    Material: 10#, 20#, 35#,45#, Q345

    Outer Diameter: 6-219mm

    Wall Thickness: 1-20mm

    Length: 10-12000mm or as customer’s require


    parameters


    Chemical Composition

    Grade

    C

    Si

    Mn

    P≤

    S≤

    Ni≤

    Cr≤

    Cu

    10#

    0.07-0.13

    0.17-0.37

    0.35-0.65

    0.035

    0.035

    0.25

    0.15

    0.25

    20#

    0.17-0.24

    0.17-0.37

    0.35-0.65

    0.035

    0.035

    0.30

    0.25

    0.25

    35#

    0.32-0.40

    0.17-0.37

    0.50-0.80

    0.035

    0.035

    0.30

    0.25

    0.25

    45#

    0.42-0.50

    0.17-0.37

    0.50-0.80

    0.035

    0.035

    0.30

    0.25

    0.25

    Q345

    0.20

    0.50

    1.70

    0.035

    0.035

    0.50

    0.30

    0.30


    introduction

    Name: Precision seamless steel pipe

    Material: Carbon steel

    Tolerance: ±0.02-0.10mm or as per customers’ request

    Surface: Bright or oiled or black

    Packing: 
    Bundle packing

    Beveled end or pained

    Marking as customers’ request

    Plastic caps at ends

    Application:
    Automobile, motorcycle, electric car, petro chemical, electric power, vessel, aerospace, bearing, pneumatic components, medium and low pressure boiler, Bearing, hydraulic, mechanical processing