AISI 4130, Low alloy steel, Annealed, Mechanical Properties
Designation
| AISI 4130 | |
| Condition | Annealed |
| 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, Annealed, Mechanical Properties
| Young’s modulus | 201 | – | 216 | GPa |
| Specific stiffness | 25.6 | – | 27.5 | MN.m/kg |
| Yield strength (elastic limit) | 320 | – | 400 | MPa |
| Tensile strength | 500 | – | 620 | MPa |
| Specific strength | 40.8 | – | 51 | kN.m/kg |
| Elongation | 22 | – | 34 | % strain |
| Compressive strength | 320 | – | 400 | MPa |
| Flexural modulus | 201 | – | 216 | GPa |
| Flexural strength (modulus of rupture) | 320 | – | 400 | MPa |
| Shear modulus | 77 | – | 85 | GPa |
| Bulk modulus | 155 | – | 176 | GPa |
| Poisson’s ratio | 0.285 | – | 0.295 | |
| Shape factor | 57 | |||
| Hardness – Vickers | 145 | – | 185 | HV |
| Hardness – Brinell | 148 | – | 164 | HB |
| Elastic stored energy (springs) | 248 | – | 381 | kJ/m^3 |
| Fatigue strength at 10^7 cycles | 263 | – | 307 | MPa |
| Fatigue strength model (stress range) | 227 | – | 355 | MPa |
MODULUS METAL
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