Low Alloy

Title Description Classification Physicals Data Sheet
4130 FC Responds to 4130 quench and temper. Also used as a flame-hardening alloy. AISI 4130 type Dependent on heat treatment, flame hardens to 52 Rc Data Sheet
4140 FC Responds to 4140 quench and temper. Also used as a flame-hardening alloy. AISI 4140 type Dependent on heat treatment, flame hardens to 58 Rc Data Sheet
4340 FC For repair of 4340 when weld metal must respond to same type of heat-treatment. AISI 4340 type Dependent on heat treatment, flame hardens to 58 Rc Data Sheet
6150 FC Responds to 6150 quench and temper. Mostly used for flame hardening properties. AISI 6150 type Dependent on heat treatment flame hardens to 62 Rc
8620 FC For Repair of 8620 when weld metal must respond to same type of heat-treatment. AISI 8620 type Dependent on heat treatment Data Sheet

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