- Standard: TB/T2345-2008
- Material: Chinese steel grade 55#
- Size: 43KG , 50KG, 60KG, 75KG
- Tensile strength Rm : ≥785 Mpa
- Yield strength Rel / Rr0.2 : ≥520 Mpa
- Elongation A: ≥9%
- Reduction of Area Z: ≥20%
- Brinell Hardness HBW10 / 3000 : HBW 227-388
- Cold Bend d=3a: 30 degree, no crack
- Chemical Composition:
C | Mn | Si | S | P |
0.52-0.60 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 |
43kg Common Fish Plate