300M ALLOY STEEL
300M is a low alloy, vacuum melted, steel of very high strength. Essentially it is a modified AISI 4340 steel with silicon, vanadium and slightly greater carbon and molybdenum content than 4340. 300M has a very good combination of strength (1900-2100 MPA after final heat treatment), toughness, fatigue strength and good ductility. 300M is a through hardening alloy.
Specific Gravity |
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| 7.83 g/cm3 | ||||||||||||||||||||||||||||||||||
Typical Applications |
Related Specifications |
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Aircraft Landing Gear Driveshafts High Strength bolts Gears |
AMS 6257 AMS 6417 AMS 6419 BS S155 BMS 7-26 MTL 1201 MIL S 8844 |
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Chemical Composition (Wt %) |
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Typical Mechanical Properties |
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Hardness after Heat Treatment |
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534 – 601 HB 52 – 55 HRC |
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| * Every effort has been made to ensure that our technical specifications are accurate. However, technical specifications included within Dynamic Metals Ltd should be used as a guideline only and are subject to change without notice. | ||||||||||||||||||||||||||||||||||