4340 Normalized ForgingMedium
Alloy SteelAISI 4340 (Normalized)
AISI 4340 Normalized ForgingMedium for engineering applications.
Chemical Composition (%)
| C | 0.37 |
|---|---|
| CR | 0.6 |
| MN | 0.55 |
| MO | 0.2 |
| NI | 1.65 |
| SI | 0.15 |
Mechanical Properties
Yield:490MPa; Tensile:775MPa; Elong:22%; 55HRC
Chinese Standard
AISI/SAE
Applications
Shafts, gears, axles, bolts, connecting rods, crankshafts, forgings
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