AISI 4130, Low alloy steel, Normalized, Mechanical Properties
Designation
| AISI 4130 | |
| Condition | Normalized |
| UNS number | G41300, ~H41300, ~K13047 |
| US name | AMS 6345, AMS 6346, AMS 6348, AMS 6350, AMS 6356, AMS S 6758, AMS 6370, AMS 6371 |
| EN name | 30CrMo4 |
| EN number | 1.7216, 1.7220, 1.7221, 1.7226, 1.7230 |
AISI 4130, Low alloy steel, Normalized, Mechanical Properties
| Young’s modulus | 200 | – | 210 | GPa |
| Specific stiffness | 25.5 | – | 26.9 | MN.m/kg |
| Yield strength (elastic limit) | 483 | – | 534 | MPa |
| Tensile strength | 621 | – | 686 | MPa |
| Specific strength | 61.6 | – | 68.2 | kN.m/kg |
| Elongation | 5 | – | 18 | % strain |
| Compressive strength | 483 | – | 534 | MPa |
| Flexural modulus | 200 | – | 210 | GPa |
| Flexural strength (modulus of rupture) | 483 | – | 534 | MPa |
| Shear modulus | 76 | – | 79.9 | GPa |
| Bulk modulus | 185 | – | 195 | GPa |
| Poisson’s ratio | 0.32 | – | 0.333 | |
| Shape factor | 46 | |||
| Hardness – Vickers | 183 | – | 223 | HV |
| Elastic stored energy (springs) | 569 | – | 695 | kJ/m^3 |
| Fatigue strength at 10^7 cycles | 299 | – | 347 | MPa |
| Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles | 279 | – | 372 | MPa |
MODULUS METAL
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