| Grade |
Specification |
| 4130 |
MIL-S-6758, AMS-6370, AMS-2301, AMS-6348 |
|
| 4140 |
MIL-S-5626, AMS-6382, AMS-2301, AMS-6349 |
|
| 4330 N&T |
MIL-S-8699, AMS-6427, AMS-2301, BMS-7-27 |
|
| 4330 Mod. Vac |
MIL-S-8699, AMS-6411, AMS-6427, BMS-7-27, Melt, N&T AMS-2300, BMS-7-122 |
|
| 4340 N&T |
MIL-S-5000, AMS-6415, AMS-2301, BMS 7-28, DMS-1555, AMS-6409 |
|
| 4340 Vac. Melt. N&T |
MIL-S-8844, AMS-2300, AMS-6414, DMS-1555, BMS 7-28 |
|
| 300 M, (4340 Mod. Vac.) |
MIL-S-8844-CL 3, MIL-S-83135, AMS-6417, AMS-6419, AMS-2300, BMS 7-26 CL-1, DMS-1935 |
|
| D6AC Vac. Melt. |
MIL-S-8949, AMS-6431, AMS-2300 |
|
| 9310 N&T |
MIL-S-7393C, AMS-6260, AMS-2301 |
|
| 9310 N&T Vac. Melt |
MIL-S-7393C, AMS-6265, AMS-6260, AMS-2300, AMS 6267 |
|
| 52100 Ann |
MIL-S-7420, AMS-6440, AMS-2301 |
|
| 52100 Vac. Melt |
MIL-S-7420, AMS-6444, AMS-2300 |
|