Outer Diameter: 8mm to 3048mm Wall thickness: 0.3mm to 60mm Max.Single length: 12m Material: The main materials include SS304, TP304L, SS316, TP316L, Ferritic stainless steel, Duplex 2205, Super Duplex 2507, Titanium, Nickel based alloy, Hastelloy and many other materials upon your request. Standards: ASTM, ASME, API , JIS, DIN, EN, GB and etc.