... 10K 16K 20K 30K 2. Competitive Price 3. Promote Delivery 4. High in Quality JIS FORGED WELDING NECK FLANGES 1. Standards ... ,Socket weld,Blind3. Size:1/2-78 inch (DN15-DN2000)4. Material:Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH ... : 12,000/year 5KG FLANGE JIS B2220 5K SOP JIS B2220 5K SOH JIS B2220 5K BLIND 10KG FLANGE JIS B2220 10K SOP ...