... 6000 Specification:1.Name:carbon steel flange,stainless steel flanges 2.Material: carbon steel : Astm a105,a234,q235,etc. stainless steel :astm a182,304l, ... Surface:Rusproof oil, black, yellow, galavanized 5.Type: Plate ,threaded,slip-on, socet welding ,blind,welding neck, etc6.Size: ... PN16-PN40 JIS:10K,16K,20K,30K8.Connection: welding ,threaded 9.Techical: Forged ,casting 10.Packing:wooden case, carton ...