- Standard: UIC864-4 & UIC864-8
- Material: Chinese steel grade 40#
- Size: U79 – UIC54, U85 – UIC60
- Tensile strength Rm: 550-650 Mpa
- Elongation A : ≥18%
- Chemical Composition:
C | Mn | Si | S | P |
0.37-0.44 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 |
UIC-54
UIC-60
C | Mn | Si | S | P |
0.37-0.44 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 |