OD: From 1/8"-14" THK: From SCH10s-SCH160s. GUOBANG STEEL have Pipe and Pipe Fittings process workshop,ISO9001:2008,PED97/23/EC,and ... .LR & SR Forming Type:MandrelForming for Stainless Steel and Nickel Copper Elbows (So it will not reduce the wall thicknes)Size ... ,321,321H,904L,S31803,S32750 etc.DIN:1.4301,1.4306,1.4401,1.4435,1.4571,1.4436,1.4438,1.4541 etc.JIS:SUS304,SUS304L,SUS316 ...