... 5.Anti-rust product details1. Product name: Stainless Steel Round Bar 2. Standard: AISI,SUS,GB,JIS,ASTM,DIN etc 3 ... . Grade: 201,202,301,302,303,304,304L,316,316L4. Size: 1/4''--4'' Length ... A276, AISI,GB/T 1220, JIS G4303 Grade201,202,301,302,303,304,304L,316,316LDiameter1/4" ~ 4" (6.35mm~101 ... certificates our family contact us high quality stainless steel round bar