25Mn Annealed Bar
Alloy Steel25Mn (Annealed)
Annealed 25Mn Bar for general engineering.
Chemical Composition (%)
| C | 0.22 |
|---|---|
| MN | 0.7 |
| P | 0.035 |
| S | 0.035 |
| SI | 0.17 |
Mechanical Properties
Yield:225MPa; Tensile:390MPa; Elong:30%; 125HB
Chinese Standard
GB/T 699
Applications
Shafts, gears, axles, bolts, connecting rods, crankshafts, forgings
Uses
Shafts, gears, axles, connecting rods, bolts, machinery structural parts, automotive and engineering components.
Heat Treatment
Normalized at 850-900°C, air cooled. Quenched + tempered at 550-650°C for improved strength. Specific treatment per grade standard (GB/T 3077, ASTM A29).
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