... :copper,steel,rubber 2,Temperature:-60 to 500C 3.Standard:JIS,UNI,DIN,ASTM,GB 4.Samples free ... 9021),BA,NFE,JIS,and according to customers' requirements.3.Material:Carbon steel,45#,65Mn,stainless steel,brass,copper4. ... Finish:Plain;black; zinc plated(Cr,3+);zinc plated(Cr,6+); hot dipped galvanized; dacromet; ... Delivery:15 working days(as per your order) Combination sealing washer