SUM32 cutting structural steel, the implementation of standards: JIS GG4804-1999
● Chemical Composition:
Carbon C: 0.12 ~ 0.20
Si Si: 0.10 ~ 0.35
Manganese Mn: 0.60 ~ 1.10
Sulfur S: 0.10 ~ 0.20
Phosphorus P: ≤ 0.040
● Mechanical Properties:
Tensile strength σb (MPa): (hot) 450 ~ 600; (cold drawn) steel thickness or diameter of 8 to 20 hours: 570 ~ 785;> 20 to 30 hours: 530 ~ 745;> 30 hours: 510 ~ 705
Elongation δ5 (%):( hot) ≥ 20; (cold) ≥ 7.0
Reduction of ψ (%):( hot) ≥ 30 Hardness: (hot) ≤ 175HB; (cold drawing) 167 ~ 217HB
● Heat treatment and microstructure specifications:
● Delivery status: the hot-rolled or cold-drawn state of delivery, delivery status should be indicated in the contract.
