Material : TP304,TP321,TP316L,TP304L,316TI OD(Inch):1/8, 3/2 WT( MM ):0.71,3 Standard : ASTM A213,A312,A269,A270,DIN17456 Application : The products have been well applied among the trades such as pressure gauge, high precision machinery, spin and weave machinery, pharmaceutical machinery, aviation, petroleum, chemical industry,etc.