... seamless steel pipe 2 material 10#,20#,16Mn,A53B,A106B,A53A,A106A,ST37 3 size: 152mm-760mm*8mm-90mm ... seamless steel pipe,hot rolled process.10#,20#,16Mn,A53B,A106B,A53A,A106A,ST37,ST42,ST45,ST52size: 152mm-760mm*8mm ... -90mm we have stock of these size,material is A106B,each size about 20 tons. sizepcslengthsizepcsmeters230*6022.58m650*2612 ... 37m stock of thick wall seamless steel pipe 325mm to 750mm