St52 Cold Drawn Precision Seamless Steel Pipe Tube for Industry

St52 Cold Drawn Precision Seamless Steel Tube for Industry Basic Info
Raw Material: 20#, 45#, 16mn, 25mn, 27simn
Standard: GB8163-1999/Gbt8162-19999
Pipe Length: Fixed Length, Random Length or as Required
Cold Drawn Tube Test: Chemical Component Analysis, Mechanical Properties
Application: Excavator, Crane, Conveyor, Engineering Machinery
Process Method: Cold Drawn
Cold Drawn Tube Surface: Annealed, Polished, Mechanical Polished
St52 Cold Drawn Precision Seamless Steel Pipe Tube for Industry Product Description
Cold Drawn Tube Processing form:

items:
Processing form cylinder Dia Length(m) Linearity precision Inner hole roughness
Cold drawn Φ30~250mm ≤13mm 0.3~1/1000 H9~H11 0.8~1.6
Honing Φ40~800mm ≤13mm 0.3~1/1000 H8~H9 0.4~0.8

St52 Cold Drawn Precision Seamless Steel Pipe Tube for Industry Mechanical properties:

Steel No Physical cold drawn steel tube
20# extension strength ≥510
  elongation ≥12
45# extension strength ≥647
  elongation ≥9
16Mn extension strength ≥640
  elongation ≥12
27siMn extension strength ≥840

  elongation ≥7.5