... SA210,SA213,GB5310 3.Material: 20MnG,12Cr1MoVG,SA210,SA213 4.Manufacturer Product NameASTM A519 Seamless Alloy Fluid Steel Pipe Outer ... L/C at sight Delivery timeWithin 25 days Usefor high pressure boiler, high pressure fluid, oil refining mechanical property Standard GradeTensile strength( ... , bicycle frames and construction used in steel scaffolding High Pressure Boiler Seamless Alloy Steel Pipe