... :0.27-0.275Kg. 4.OEM is offered. pipe fittings BPE:1.stainless steel casting.2.available material :stainless steel ... ,carbon steel and refractory steel of various specification.3.technique:silicon sol process ... ship,building,auto,artificial limb,chemical,weapon,sanitary bath equipment and petroleum equipment etc.9.products:valve,flange,elbow,screwnut, ...