... all kinds of alloy 4.,massive stock alloy steel pipe applies to petroleum,chemical industry ,electric power, ... 10#,20#,35#,45#,A106Gr,A;A106Gr.A;A106Gr.B and low alloyed steel OEM can availableASTM ... P5,P11,P12 P22Useful:High-Temperature Service Seamless ferritic alloy-steel pipe for high-temperature service Chemical properties (%) ... 0,500,30 - 0,600,0250,0250,45-0,654,00-6,00 A 335 Grade ...