GOST9567 Cold Drawn Precision Seamless Steel Tube Applications: Automobile, Machinery Engineering, Autoparts etc. Size range: O.D.:6-168mm W.T.:1-15mm L:max12000mm Chemical composition(%,max) Steel grade C Si Mn Cr Ni Mo S P Cu 10# 0.07-0.14 0.17-0.37 0.35-0.65 0.15 0.3 - - - -…