A335 P9 low alloy steel pipe heat treatment specifications

chemical composition of ASTM A335 P9 low-alloy steel pipe:
C≤0.15;Mn;0.30-0.60;P=0.025;S=0.025;Si:0.25-1.00;Cr:8.00-10.00;Mo:0.90-1.10
Thickness:1-100mm;outer diameter:6-2000mm
Manufacturing process:Hot-rolled (extrusion seamless steel pipe): round tube perforation → → heating → three-roll rolling, rolling or extrusion → detached → sizing (or reducing) → cooling → straightening → hydrostatic test (or testing) → mark → storage
Technique:hot rolled
Surface treatment:galvanized

Bebon international as A335 P9 low alloy steel pipe for pressure vessel onr of leading companies in China,we hold true concept of customer first,providing customers with good quality and good service of  A335 P9 low alloy steel pipe.If you have any requirements about A335 P9 low alloy steel pipe,please contact with us.
 

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