AISI LOW ALLOY
| ALLOY |
DESCRIPTION |
CLASSIFICATION |
PHYSICALS |
DATA SHEETS |
| 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 |
 |
| 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 |
 |
| 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 |
 |
| 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 |
 |
