... Stainless Steel Round Bar 2. Standard: AISI,SUS,GB,JIS,ASTM,DIN etc 3. Grade: 201,202,301,302,303,304 ... A276, AISI,GB/T 1220, JIS G4303 Grade201,202,301,302,303,304,304L,316,316LDiameter1/4" ~ 4" ... 200220*220250*250300*300350*350Material: 304,304L,321,AF316L,301,201 Etc.Notes: Every material Can be customized ... our facilitiesour certificates our family contact us high quality stainless steel round bar