... Q345,10#,45#,12CrMo, ,ST37 ,16Mn,Cr5Mo,15CrMoOD1/4''-24'',13mm-610mmWTSCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160, ... .3-114.3mm,+-0.79%,D>114.3mm +-1.59/-0.79mmWT ToleranceWT+-12.5%ChemicalC:<0.30 ... 40%,Ni<0.40%,Cr:<0.40%,Mo:0.15%,V:0.08%TensileStrength415MPAYield Point240MPAElong Ation20other testHY,ETLength2- ... high security, highly pressurized, widely usedMin order3 tons 1/4''-24'' carbon steel pipe