... 3.Surface:BA,HL,Mirror,8K,NO1-NO.4 4.Material:201,202,301,304 product details pipe stainless steel :1 ... ,ect.7.Special specifications are aslo supplied according to customer's requirements. . Steel material: AISI 201/202/304/304L/316/316L2. Size ... stainless steel tubes: running water pipes; 4. Standard : according to ASTM A554. 5. Applications: for running water system, furniture, railings, yacht, ...