SUM22L chemical composition and mechanical properties

    ● Chemical Composition:
Carbon C: ≤ 0.13
Silicon Si: ≤ 0.15
Manganese Mn: 0.70 ~ 1.00
Sulfur S: 0.24 ~ 0.33
Phosphorus P: 0.07 ~ 0.12
Lead Pb: 0.10 ~ 0.35
● mechanical properties:
Tensile strength σb (MPa): (hot-rolled) 390 to 540; (cold drawn) steel thickness or diameter of 8 to 20: 530 to 755;> 20

30 to 30 hours: 510 to 735;>: 490 to 685
Elongation δ5 (%): (hot-rolled) ≥ 22; (cold rolled) ≥ 7.0
Reduction of area ψ (%): (hot-rolled) ≥ 36
Hardness: (hot) ≤ 170HB; (cold-drawn) 152 ~ 217HB
● Delivery status: hot-rolled or cold-drawn state delivery, delivery status should be specified in the contract.