... ProductsODW.T.StandardLengthSeamless pipe1/2" to 24"SCH20,30,40,60,STD XS,80ASTM A106/API 5L GR.B5 ... .8m,6m,5m to 12m randomERW Steel pipe1" to 28"SCH20,30,40,60,STD XS,80ASRM A53GR.B5 ... .8m,6m,5m to 12m randomSpiral steel pipe8" to 36"SCH20,30,40,60,STD XS,80AY/T5037-20015. ... Test. Seamless steel pipe: ASTM A 53 specification for black steel seamless pipes ASTM A 106 Gr. B seamless carbon steel pipes for ...