API 5L X70, X70 steel plate and pipes, X70 steel supplier,X70 steel plate and pipes as large diameter pipes. We offer API 5L X70 steel plate/pipes as large diameter pipes: 1.Equivalent grades: DIN 17172 StE 480.7TM , EN10208-2 L485MB 2.Chemical composition(%): Si :≤0.55 C:0.04-0.16 Mn:1.1-1.7 　S :≤0.035 P :≤0.0.35 3. Mechanical properties: Tensile Strength σb(MPa) :600-750 Yield Strength σ0.2(MPa): ≥ 480 Permissible yield point ratio: ≤ 0.85 4. Characters : X70 steel plate/pipes is one mainly of Steel for large diameter pipes,API-X70 steel with the demands in mechanical properties of the pipes followed the API specification for grade X70 (YS is 485MPa, TS is from 600-750 MPa).API X70 steel is well known that a low carbon bainitic microstructure offers an excellent combination of strength and toughness. Bebon International is the professional Chinese X70 steel plate supplier .we keep more than 1000 tons X70 steel plate in our warehouse . if you need any offer or if you want to know X70 steel price ,please be free to contact us. Tel:0086-371-86151827 Fax:0086-371-86011881 nancy(at)bebonchina(dot)com www(dot)steel-plate-sheet(dot)com www(dot)bebonchina(dot)com