1.Material:stainless steel grades 200/300/400series 2.Surface:bright shiny/EPQ/soap coated 3.Standard:ASTM,DIN,GB,DIN 4. ... descriptionSurface: bright shiny /soap coated/black/pickledStandard: GB,AISI,DIN,JIS,SUS,ASTMDiamter:0.5mm-40mm Material: stainless steel ... , 302, 304, 316, 420 & 631, etc.)DIN 1.4301,1.4310,1.4571,1.4404,1.4401,1.4305,etcCharacteristics:Acid,alkali-resisting,heat-resisting and ...