Y35 cutting steel: ● Features and Scope: Tensile strength of parts manufacturing requirements, generally cold-drawn state. ● Chemical Composition: Carbon C: 0.32 ~ 0.40 Si Si: 0.15 ~ 0.35 Mn Mn: 0.70 ~ 1.00 Sulfur S: 0.08 ~ 0.15 Phosphorus P: ≤0.06 ● Mechanical Properties: Tensile strength σb (MPa) :( hot) 510 to 655; (cold drawn) steel thickness or diameter of 8 to 20 o'clock: 625 to 845;> 20 to 30 hours: 590 to 785;> 30: 570 - 765 Elongation δ5 (%) :( hot rolled) ≥14; (rolled) ≥6.0 Reduction of area ψ (%) :( hot rolled) ≥22 Hardness :( hot) ≤187HB; (cold drawing) 176 ~ 229HB ● Heat treatment and microstructure specifications: ● Delivery status: hot-rolled or cold-drawn delivery, the delivery status should be specified in the contract |