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 streng