... alloy 4.,massive stock alloy steel pipe applies to petroleum,chemical industry ,electric power,boiler with its metits of high temperature ... :10#,20#,35#,45#,A106Gr,A;A106Gr.A;A106Gr.B and low alloyed steel OEM can availableASTM A335steel grade:P1,P2 ... Service Seamless ferritic alloy-steel pipe for high-temperature service Chemical properties (%)MaterialCSiMnPSMoCr %%%%max%maxA 335 Grade P10,10 - 0,200 ...