Size | Weight(Kg) |
Square 3/8"×3" | 0.069 |
Square 3/8"×3-1/2" | 0.078 |
Square 1/2"×4-1/2 " | 0.165 |
Square 5/8"×5-1/2" | 0.34 |
Square 5/8"×6" | 0.375 |
With regard to the high tensile grade of the USA AREMA specification, the material is the medium carbon steel; therefore, the chemical composition and mechanical properties should be as follows:
C | Mn | Si | P | S |
0.17 - 0.25% | 0.9 - 1.35% | 0.35 Max | 0.04% Max | 0.05 Max |
Tensile strength | Yield point | Elongation (in 2" length sample) |
70,000 psi Min | 46,000 psi Min | 25% Min |
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