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Aircraft Quality Alloy Steel
MasterSource offers an expansive Aircraft Quality (AQ) alloy steel inventory, complete processing Services, fast delivery and knowledgeable staff.
Main Menu
| Alloys | Specifications |
| E 4130 HT | AMS 2301 AMS 2304 AMS 6346 AMS 6370 AMS-S-6758 ASTM A331 MIL-S-6758 Stocked in Flats Hex Rounds Squares |
| E 4130 NORM | AMS 2301 AMS 2304 AMS 6345 AMS 6348 AMS 6370 AMS-S-6758 ASTM A322 ASTM A331 MIL-S-6758 Stocked in Flats Hex Plate Rounds Sheet Squares |
| E 4130 ANN | AMS 6350 AMS 6351 Stocked in Plate Sheet |
| E 4140 ANN | AMS 2301 AMS 2304 AMS 6349 AMS 6382 AMS-S-5626 ASTM A331 MIL-S-5626 Stocked in Flats Hex Rounds Squares |
| E 4140 NORM | AMS 2301 AMS 2304 AMS 6529 AMS 6349 AMS 6382 AMS-S-5626 ASTM A322 MIL-S-5626 Stocked in Flats Rounds Squares |
| E 4340 VAC MELT HR ANN | AMS 6414 |
| E 4330 MOD VM N&T | AMS 2300 AMS 6411 AMS 6427 MIL-S-8699 Stocked in Rounds |
| E 4340 ANN |
HOT FINISH Stocked in Sheet Plate |
| E 4340 MOD 300M VM N&T | AMS 2300 AMS 6257 AMS 6417 AMS 6419 MIL-S-83135 MIL-S-8844 CL 3 Stocked in Rounds |
| E 4340 N&T | AMS 2301 AMS 2304 AMS 2310 AMS 6409 AMS 6415 AMS 6484 AMS-S-5000 ASTM A331 ASTM A322 MIL-S-5000 Stocked in Flats Hex Rounds Squares |
| E 4340 VAC MELT N&T | AMS 2300 AMS 6414 AMS 6415 AMS 6484 AMS-S-5000 MIL-S-5000 MIL-S-8844 CL 1 Stocked in Flats Hex Rounds Squares |
| E 4620 AS ROLLED | AMS 2301 AMS 2304 AMS 6294 ASTM A322 MIL-S-7493 Stocked in Rounds |
| E 4620 VAC MELT | AMS 2300 AMS 6294 ASTM A331 MIL-S-7493 Stocked in Rounds |
| E 52100 VM SPH ANN | AMS 2300 AMS 6440 AMS-S-7420 MIL-S-7420 Stocked in Rounds |
| E 6150 VM ANN | AMS 2300 AMS 6448 AMS-S-8503 ASTM A331 ASTM A322 MIL-S-8503 Stocked in Rounds |
| E 8740 ANN | AMS 2301 AMS 2304 AMS 6322 ASTM A331 AMS-S-6049 MIL-S-6049 Stocked in Rounds |
| AQ 9-4-30 VAC MELT N&T | AMS 6526 MIL-STD-2154 CL A Stocked in Rounds |
| E 9310 N&T | AMS 2301 AMS 2304 AMS 6260 ASTM A322 MIL-S-7393 COMP 3 Stocked in Rounds |
| E 9310 VAC MELT N&T | AMS 2300 AMS 6260 AMS 6265 AMS 6267 MIL-S-7393 COMP 3 MIL-S-83030 COMP 3 Stocked in Rounds |
| D-6AC VAC MELT N&T | AMS 2300 AMS 6431 AMS-S-8949 MIL-S-8949 Stocked in Rounds |
| H-11 VAC MELT ANN | AMS 6487 AMS 6488 Stocked in Rounds |
| HY-TUFF N&T | AMS 2301 AMS 2304 AMS 6418 ASTM A322 MIL-S-7108 Stocked in Rounds |
| NITRIDING HT | AMS 2301 AMS 2304 AMS 6470 EXC. HARDNESS AMS 6472 AMS-S-6709 ASTM A322 MIL-S-6709A Stocked in Rounds |
| NITRIDING VM N&T | AMS 2300 AMS 6471 AMS S-6709 MIL-S-6709 A Stocked in Rounds |
| VACUUM HY-TUF N&SCA | AMS 2300 AMS 6418 AMS 6425 AMS-S-7108 MIL-S-7108 Stocked in Rounds |
INVENTORY FORMS
See above alloy.
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