300M/4340M

AS9100 AND ISO9001 CERTIFIED

300M/4340M

AMS 6257 AMS 6419 AMS 6417 BAC 5617 BMS7-26DMS 1935 MIL-S-8844 AMS 2300 GRUMMAN; GM 1012 CPS 4911

300M Consumable Electrode Vacuum Remelted Steel is 4340 Alloy Steel modified with the addition of Vanadium and higher Silicon. Carbon Content in AMS 6417 Carbon content is 0.37% to 0.43”. Specifications AMS 6419 requires 0.40” – 0.45% C and AMS 6256 0.40% - 0.44%C. Service Steel Aerospace stocks material with restricted carbon content to certify chemistry to these various specifications. These chemistry modifications provide an Alloy Steel with very good fatigue strength, ductility, impact strength and fracture toughness. 300M is widely used for Aircraft Landing Gear.

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