... : Round Quality: Prime Standard: ASTM,AISI,GB welded stainless steel pipe YADA STEEL CO.LTD,TEDA CHINA ... series,300 series,400 series etc. welded stainless steel pipe Thickness:1-20mmOD:3.0- ... 600mmType: Welded&Seamless Shape: RoundQuality: PrimeSurplier: YDGT Typewelded stainless ... ASTM, EN ,BS,GB,DIN, JIS etcMaterial201,202, 304,304L,316,316L,321,310S,410,410S,430 ...