We can product the products as per buyers' request. Stainless Steel Pipe : 1. Standard: ASTM A688,A249,A554,DIN 17455,EN10217-72. Outside Diameter:6mm~830mm3. Wall Thickness:1mm~40mm4. Material:304,304L,316,316L,317L,409,430,439 etc.5. Surface:Bright anneal,Mirror polish,Satin finish,Mill finish.