20 thick wall tube mill 20 thick wall tube mill 20 thick wall tube mill shandong kyushu iron &steel group, sales hotline: 0635-8208087 professional production sales 38mm diameter 127mm - cold and 177mm seamless steel tube diameter and wall thickness 377mm - 16mm - 100mm, diameter and wall thickness accuracy ± 0.5% accuracy ± 5% in hot thick wall seamless steel tube. Thick wall tube The products material for: 20, 35, 45, 20G, 20A, 40Mn2, 45Mn2, 27SiMn, 40MnB, 20MnVB, 20Cr, 30Cr, 35Cr 40Cr, 45Cr, 50Cr, 38CrSi, 12CrMo, 20CrMo, 35CrMo, 42CrMo, 12CrMoV, 12Cr1MoV, 38CrMoAL, 50CrV, 20CrMnSi, 30CrMnSi, 35CrMnSi, 20CrMnTi, 30CrMnTi, 12CrNi2, 12CrNi3, 12Cr2Ni4, 40CrNiMoA, 45CrNiMoVA, 20MnG, 25MnG, 20G, 12CrMoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, 12Cr2MoWVTiB, 12Cr3MoVSiTiB, Due to limited, specific page please inquire, quantity is with preferential treatment! Sales: 0635-8208087 15726351358 url: hotline Address: shandong liaocheng city economic development zone