the content below is our product summary 1) Cold drawn seamless steel tube/pipe 2) Standard: ASTM :A106, A53, A179, A192, A210, A519, A213(T11/T22,) A335, A335(P11/P22), API 5L, API 5CT, DIN 629, DIN 17175, BS3059 etc. 3) O.D:1/8"-4"(10.3mm-114.3mm) 4) W.T:1.65mm-14mm 5) Max length:16m 6) package: bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes 7) Capacity:4500ton/month