... : From 1/8"-14" THK: From SCH10s-SCH160s. GUOBANG STEEL have Pipe and Pipe Fittings process workshop ... 550metric ton for pipe, 300metric ton for pipe fittings.Order info: Product name, Standard, Grade,Size ... reduce the wall thicknes)Size:Seamless Fittings 1/2”-20” (DN15-DN500), Welded Fittings 1/2”-48” (DN15-DN1200)Standard: ... ,S32750 etc.DIN:1.4301,1.4306,1.4401,1.4435,1.4571,1.4436,1.4438,1.4541 etc.JIS: ...