... :0.5mm-30mm 2.Grade:304,304L,321,F321,316,316L 3.Standard:GB,DIN,AISI,,ASTM,JIS,EN 4.Factory direct,best ... price Product: Industrial Stainless Steel Seamless Pipe Material Grade: 304, 304L, 316 ... , sufficient supply, on-time delivery, competitive price and best service! AISI,ASTM,JIS,DIN,EN Stainless Steel Seamless Pipe