304 Stainless steel pipes 1.Steel grade:201,202,304/304L,316,316L,321,etc. 2.High quality 3.Best service 4.Quick delivery Stainless steel seamless pipe1)Grade:304,304L,316,316L,321,317L,310S,904L and so on. 2)Standards:ASTM,JIS,DIN,GB and so on. Inspection: products analysisMechanical tests, hydrostatic or nondestructive test, hardness test,Intergranular corrosion test. Stainless Steel Seamless ...