| 6240 | Wrought Low Alloy | Steel, Carburizing, Cancelled | ./. | ./. | Senden |
| 6240 | Wrought Low Alloy | Steel Bars and Forgings, Cancelled | ./. | ./. | Senden |
| 6250 | Alloy 3310 | Steel Bars, Forgings, and Tubing | K 44910 | ./. | Senden |
| 6252 | Wrought Low Alloy | Steel, Carburizing Nickel, Chromium, Cancelled | ./. | ./. | Senden |
| 6253 | Wrought Low Alloy | Steel, Carburizing, Cancelled | ./. | ./. | Senden |
| 6254 | Wrought Low Alloy | Steel, Carburizing, Canncelled | ./. | ./. | Senden |
| 6255 | Alloy CBS 600 | Steel, Bars, Forgings, and Tubing | K 21940 | ./. | Senden |
| 6256 | Alloy CBS 1000 M | Steel, Bars, Forgings, and Tubing | K 71350 | ./. | Senden |
| 6257 | Alloy 300 M | Steel, Bars, Forgings, and Tubing | ./. | 300 M | Senden |
| 6260 | Alloy 6310 | Steel, Bars, Forgings, and Tubing | G 93106 | ./. | Senden |
| 6262 | Wrought Low Alloy | Steel, Bars, Forgings, and Tubing | ./. | ./. | Senden |
| 6263 | Alloy 9315 | Steel, Bars, Forgings, and Tubing | G 93150 | ./. | Senden |
| 6264 | Alloy 9317 | Steel, Carburizing Grade, Bars, Forgings, and Tubing | K 44414 | ./. | Senden |
| 6265 | Alloy 9310 | Steel, Bars, Forgings, and Tubing | G 93106 | ./. | Senden |
| 6266 | Alloy 43 BV 12 | Steel, Bars, Forgings, and Tubing | K 21028 | ./. | Senden |
| 6267 | Alloy 9310 | Steel, Bars, Forgings, and Tubing, Electroslag Remelted | G 93106 | ./. | Senden |
| 6270 | Alloy 8615 | Steel, Bars, Forgings, and Tubing | G 86150 | ./. | Senden |
| 6272 | Alloy 8617 | Steel, Bars, Forgings, and Tubing | G 86170 | ./. | Senden |
| 6274 | Alloy 8620 | Steel, Bars, Forgings, and Tubing | G 86200 | ./. | Senden |
| 6275 | Alloy 94 B 17 | Steel, Bars, Forgings, and Tubing | G 94171 | ./. | Senden |
| 6276 | Alloy 8620 | Steel, Bars, Forgings, and Tubing | G 86200 | ./. | Senden |
| 6277 | Alloy 8620 | Steel, Bars, Forgings, and Tubing | G 86200 | ./. | Senden |
| 6278 | Alloy CDS-50NIL | Steel, Bars, Forgings, and Tubing | ./. | ./. | Senden |
| 6280 | Alloy 8630 | Steel, Bars, Forgings, and Rings | G 86300 | ./. | Senden |
| 6282 | Alloy 8735 | Steel, Tubing, Mechanical | G 87350 | ./. | Senden |
| 6283 | Wrought Low Alloy | Steel, Tubing (Seamless for Machined Parts), Cancelled | ./. | ./. | Senden |
| 6284 | Wrought Low Alloy | Steel, Tubing (Seamless for Machined Parts), Cancelled | ./. | ./. | Senden |
| 6285 | Wrought Low Alloy | Steel, Tubing (Seamless for Machined Parts), Cancelled | ./. | ./. | Senden |
| 6286 | Wrought Low Alloy | Steel, Tubing (Seamless for Machined Parts), Cancelled | ./. | ./. | Senden |
| 6290 | Alloy 4615 | Steel, Bars and Forgings, Carburizing | G 46150 | MIL-S-7493, Composition 4615 | Senden |
| 6292 | Alloy 4617 | Steel, Bars and Forgings, Carburizing | G 46170 | MIL-S-7493, Composition 4617 | Senden |
| 6294 | Alloy 4620 | Steel, Bars and Forgings, Carburizing | G 46200 | ./. | Senden |
| 6299 | Alloy 4320 H | Steel, Bars, Forgings and Tubing | H 43200 | ./. | Senden |
| 6300 | Alloy 4037 | Steel, Bars and Forgings | G 40370 | ./. | Senden |
| 6302 | Alloy 17-22A(S) | Low-Alloy Steel, Heat Resistant, Bars, Forgings and Tubing | K 23015 | ./. | Senden |
| 6303 | Alloy 17-22A(V) | Steel Bars, and Forgings, Low Alloy, Heat Resistant | K 22770 | ./. | Senden |
| 6304 | Alloy 17-22A | Low-Alloy Steel, Heat Resistant, Bars, Forgings and Tubing | K 14675 | MIL-S-24502 | Senden |
| 6305 | Alloy 17-22A | Steel, Heat Resistant, Bars, Forgings, and Tubing | K 14675 | ./. | Senden |
| 6308 | Pyrowear, Alloy 53 | Steel, Bars and Forgings | K 71040 | ./. | Senden |
| 6310 | Wrought Low Alloy | Steel Nickel Molybdenum, Cancelled | ./. | ./. | Senden |
| 6312 | Alloy 4640 | Steel Bars, Forgings, and Tubing | K22440 | ./. | Senden |
| 6317 | Alloy 4640 | Steel Bars, Forgings, Heat Treated | K22440 | ./. | Senden |
| 6320 | Alloy 8735 | Steel Bars, Forgings and Rings | G87350 | ./. | Senden |
| 6321 | Wrought Low Alloy | Steel Bars, Forgings and Tubing, Cancelled | ./. | ./. | Senden |
| 6322 | Alloy 8740 | Steel Bars, Forgings and Rings | G87400 | MIL-S-6049 | Senden |
| 6323 | Alloy 8740 | Steel, Mechanical Tubing | G87400 | | Senden |
| 6324 | Alloy 8740 Mod | Steel Bars, Forgings and Tubing | K11640 | | Senden |
| 6325 | Alloy 8740 | Steel Bars and Forgings, Heat Treated | G87400 | MIL-S-6049 | Senden |
| 6327 | Alloy 8740 | Steel Bars and Forgings, Heat Treated | G87400 | MIL-S-6049 | Senden |
| 6328 | Alloy 8750 | Steel Bars, Forgings and Tubing | K13550 | ./. | Senden |
| 6330 | Wrought Low Alloy | Steel Bars, Forgings and Tubing | K22033 | ./. | Senden |
| 6331 | Alloy 8735 | Steel, Welding Wire, Vacuum Melted, NONCURRENT | G87350 | ./. | Senden |
| 6332 | Wrought Low Alloy | Steel Nickel Chromium, Cancelled | ./. | ./. | Senden |
| 6335 | Wrought Low Alloy | Steel Nickel Chromium, Cancelled | ./. | ./. | Senden |
| 6337 | Wrought Low Alloy | Steel Nickel Chromium, Cancelled | ./. | ./. | Senden |
| 6342 | Alloy 9840 | Steel Bars, Forgings and Tubing | G98400 | ./. | Senden |
| 6345 | Wrought Low Alloy | Steel, Sheet, Strip and Plate, Normalized or otherwise Heat Treated | | ./. | Senden |
| 6346 | Alloy 4130 | Steel Bars, Hardened and Tempered | G41300 | ./. | Senden |
| 6348 | Alloy 4130 | Steel Bars, Normalized | G41300 | MIL-S-6758 | Senden |
| 6349 | Alloy 4140 | Steel Bars, Normalized | G41400 | MIL-S-5626 | Senden |
| 6350 | Alloy 4130 | Steel Sheet, Strip and Plate | G41300 | MIL-S-18729 | Senden |
| 6351 | Alloy 4130 | Steel Sheet, Strip and Plate, Spheroidized | G41300 | ./. | Senden |
| 6352 | Alloy 4135 | Steel Sheet, Strip and Plate | G41350 | ./. | Senden |
| 6353 | Wrought Low Alloy | Steel Plate, Sheet and Strip Chromium Molybdenum, Cancelled | ./. | ./. | Senden |
| 6354 | Alloy NAX 9115-AC | Steel Sheet, Strip and Plate | K11914 | ./. | Senden |
| 6355 | Wrought Low Alloy | Steel Sheet, Strip and Plate, Cancelled and Superseded by 6350 | | ./. | Senden |
| 6356 | Alloy 4132 | Steel Sheet, Strip and Plate | G41300 | ./. | Senden |
| 6357 | Alloy 8735 | Steel Sheet, Strip and Plate | G87350 | ./. | Senden |
| 6358 | Alloy 8740 | Steel Sheet, Strip and Plate | G87400 | ./. | Senden |
| 6359 | Alloy 4340 | Steel Sheet, Strip and Plate | G43400 | ./. | Senden |
| 6360 | Alloy 4130 | Steel Tubing, Seamless, Normalized or Stress Relieved | G41300 | MIL-T-6736, Cond. N | Senden |
| 6361 | Alloy 4130 | Steel Tubing, Seamless | G41300 | ./. | Senden |
| 6362 | Alloy 4130 | Steel Tubing, Seamless | G 41300 | ./. | Senden |
| 6363 | Wrought Low Alloy | Steel Tubing, (Seamless), Cancelled | ./. | ./. | Senden |
| 6365 | Alloy 4135 | Steel Tubing, Seamless | G 41350 | MIL-T-6735 | Senden |
| 6366 | Wrought Low Alloy | Steel Tubing, (Seamless), Cancelled | ./. | ./. | Senden |
| 6367 | Wrought Low Alloy | Steel Tubing, (Seamless), Cancelled | ./. | ./. | Senden |
| 6368 | Wrought Low Alloy | Steel Tubing, (Seamless), Cancelled | ./. | ./. | Senden |
| 6369 | Wrought Low Alloy | Steel Tubing, (Seamless), Cancelled | ./. | ./. | Senden |
| 6370 | Alloy 4130 | Steel Bars, Forgings, and Rings | G 41300 | MIL-S-6758 | Senden |
| 6371 | Alloy 4130 | Steel, Mechanical Tubing | G 41300 | MIL-T-6736 | Senden |
| 6372 | Alloy 4135 | Steel Tubing, Mechanical | G 41350 | ./. | Senden |
| 6373 | Alloy 4130 | Steel, Welded Tubing | G 41300 | MIL-T-6736 | Senden |
| 6374 | Alloy 4130 | Steel Tubing, Seam-Free, Round | G 41300 | ./. | Senden |
| 6375 | Alloy 8620 | Steel, Welding Wire | G 86200 | ./. | Senden |
| 6378 | Alloy 4142 Modified | Steel Bars | K 11542 | ./. | Senden |
| 6379 | Alloy 4140 Mod. | Bars, Die Drawn, Cancelled | K 11546 | ./. | Senden |
| 6380 | Wrought Low Alloy | Steel, Cancelled | ./. | ./. | Senden |
| 6381 | Alloy 4140 | Steel, Mechanical Tubing | G 41400 | ./. | Senden |
| 6382 | Alloy 4140 | Steel, Bars, Forgings and Rings | G 41400 | MIL-S | Senden |
| 6385 | Alloy 17-22A/S | Steel Sheet, Strip, and Plate | K 23015 | ./. | Senden |
| 6386 | Wrought Low Alloy | Sheet and Plate, Heat Treated NONCURRENT | K 11511 | ./. | Senden |
| 6390 | Alloy 4140 | Steel Tubing, Mechanical, Cancelled | G 41400 | ./. | Senden |
| 6395 | Alloy 4140 | Steel Sheet Strip and Plate | G 41400 | ./. | Senden |
| 6396 | Wrought Low Alloy | Steel, Sheet, Strip and Plate | K 22950 | ./. | Senden |
| 6404 | Alloy X 200 | Steel, Sheet, Strip and Plate | K 34378 | ./. | Senden |
| 6407 | Alloy HS-220 | Steel Bars, Forgings and Tubing | K 33020 | ./. | Senden |
| 6408 | Alloy H 13 | Steel, Hotwork Tool, Bars and Forgings | T 20813 | ./. | Senden |
| 6409 | Alloy 4340 | Steel, Bars, Forgings, and Tubing | G 43406 | MIL-S-5000 | Senden |
| 6410 | Wrought Low Alloy | Stee Nickel Chromium Molybdenum Cancelled | ./. | ./. | Senden |
| 6411 | Alloy 4340 Mod. | Steel Bars, Forgings, and Tubing | K 22080 | ./. | Senden |
| 6412 | Alloy 4337 | Steel, Bars and Forgings | G 43370 | ./. | Senden |
| 6413 | Alloy 4337 | Steel Tubing, Mechanical | G 43370 | ./. | Senden |
| 6414 | Alloy 4340 | Steel, Bars, Forgings, and Tubing | G 43400 | ./. | Senden |
| 6415 | Alloy 4340 | Steel, Bars, Forgings, and Tubing | G 43406 | ./. | Senden |
| 6415 | Alloy 4340 | Steel, Bars, Forgings, and Tubing | G 43406 | MIL-S-5000 | Senden |
| 6416 | Wrought Low Alloy | Steel | Bars, Forgings, and Tubing, Cancelled | ./. | Senden |
| 6417 | Alloy 4340M/300M | Steel, Bars, Forgings, and Tubing | ./. | ./. | Senden |
| 6418 | Alloy Hy-Tuf | Steel, Bars, Forgings, Tubing, and Rings | K 32550 | MIL-S-7108 | Senden |
| 6419 | Alloy 300M | Steel, Bars, Forgings, and Tubing | K 44220 | MIL-S-8844 | Senden |
| 6420 | Wrought Low Alloy | Steel Tubing (Seamless for Machined Parts), Cancelled | ./. | ./. | Senden |
| 6421 | Alloy Modified 98B37 | Steel Bars, Forgings, and Tubing | ./. | ./. | Senden |
| 6422 | Alloy Modified 98BV40 | Steel Bars, Forgings, and Tubing | K 11940 | ./. | Senden |
| 6423 | Alloy Modified 98BV40 | Steel, Bars, Forgings, and Tubing | K 24336 | ./. | Senden |
| 6424 | Wrought Low Alloy | Steel, Bars, Forgings, and Tubing | ./. | ./. | Senden |
| 6425 | Alloy Hy-Tuf | Steel Bars, Forgings, and Tubing | K 32550 | ./. | Senden |
| 6426 | Alloy 52CB | Steel, Bars, Forgings, and Tubing | K 18597 | ./. | Senden |
| 6427 | Alloy 4340 Mod. | Steel Bars, Forgings, and Tubing | K 23080 | ./. | Senden |
| 6428 | Alloy 4335 Mod. | Steel, Bars, Forgings, and Tubing | K 23477 | ./. | Senden |
| 6429 | Alloy 4335 Mod. | Steel, Bars, Forgings, Tubing, and Rings | K 33517 | ./. | Senden |
| 6430 | Alloy 4335 Mod. | Steel, Bars, Forgings, Tubing, and Rings | K 33517 | ./. | Senden |
| 6431 | Alloy D6 | Steel, Bars, Forgings, and Tubing | K 24728 | ./. | Senden |
| 6432 | Alloy D6A | Bars, Forgings, and Tubing | K 24728 | ./. | Senden |
| 6433 | Alloy 4335 Mod. | Steel, Sheet, Strip and Plate | K 33517 | ./. | Senden |
| 6434 | Alloy 4335 Mod. | Steel, Sheet, Strip and Plate | K 33517 | ./. | Senden |
| 6435 | Alloy 4335 Mod. | Steel, Sheet, Strip and Plate | K 33517 | ./. | Senden |
| 6436 | Alloy 17-22A(V) | Steel, Sheet, Strip, and Plate, Cancelled | K 22770 | ./. | Senden |
| 6437 | Alloy H-11 | Steel, Sheet, Strip, and Plate | T 20811 | ./. | Senden |
| 6438 | Alloy D-6 | Steel, Sheet, Strip, and Plate | K 24728 | ./. | Senden |
| 6439 | Alloy D6AC | Steel, Sheet, Strip, and Plate | K 24729 | MIL-S-8949 | Senden |
| 6440 | Alloy 52100 | Steel, Bars, Forgings, and Tubing | G 52986 | ./. | Senden |
| 6441 | Alloy 52100 | Steel, Tubing, Mechanical | G 15216 | ./. | Senden |
| 6442 | Alloy 50100 | Steel, Bars, and Forgings, Noncurrent | G 50986 | MIL-S-7420 | Senden |
| 6443 | Alloy 51100 | Steel, Bars, Forgings, and Tubing, Noncurrent | G 51986 | ./. | Senden |
| 6444 | Alloy 52100 | Steel, Bars, Forgings, and Tubing | G 52986 | ./. | Senden |
| 6445 | Alloy 51100 Mod. | Steel, Bars, Forgings, and Tubing, Noncurrent | K 22097 | ./. | Senden |
| 6446 | Alloy 51100 | Steel, Bars, Forgings, and Tubing, Noncurrent | G 51986 | ./. | Senden |
| 6447 | Alloy 52100 | Steel, Bars, Forgings, and Tubing | G 52986 | ./. | Senden |
| 6448 | Alloy 6150 | Steel, Bars, Forgings, and Tubing | G 61500 | ./. | Senden |
| 6449 | Alloy 51100 | Steel, Bars, Forgings, and Tubing | G 51986 | ./. | Senden |
| 6450 | Alloy 6150 | Steel, Spring Wire and Springs | G 61500 | ./. | Senden |
| 6451 | Alloy 9254 | Steel, Spring Wire and Springs | G 92540 | ./. | Senden |
| 6452 | Wrought Low Alloy | Steel, Welding Wire | G 41400 | MIL-R-5632, Type II | Senden |
| 6453 | Alloy Hy Tuf | Steel, Welding Wire | K 32550 | ./. | Senden |
| 6454 | Alloy 4340 | Steel, Sheet, Strip, Plate | G43400 | ./. | Senden |
| 6455 | Alloy 6150 | Steel, Sheet, Strip, Plate | G61500 | MIL-S-18731 | Senden |
| 6456 | Alloy 4340 Mod. | Steel, Welding Wire, Vacuum Melted | ./. | MIL-R-5632, Type III | Senden |
| 6457 | Alloy 4130 | Steel, Welding Wire, Vacuum Melted | K13147 | ./. | Senden |
| 6458 | Alloy 17-22A (S) | Steel, Welding Wire, Vacuum Melted | K23015 | ./. | Senden |
| 6459 | Wrought Low Alloy | Steel, Welding Wire, Vacuum Melted | K22720 | ./. | Senden |
| 6460 | Alloy NAX-9115-AC | Wire, Steel, Welding | K11365 | ./. | Senden |
| 6461 | Alloy 6130 | Steel, Welding Wire, Vacuum Melted | K13148 | ./. | Senden |
| 6462 | Alloy 6130 | Steel, Welding Wire | K13149 | ./. | Senden |
| 6463 | Alloy Mar300 | Wire, Steel, Welding, Vacuum Melted | K93130 | ./. | Senden |
| 6464 | Alloy 10013 (AWS) | Steel, Welding, Electrodes, Covered, Noncurrent | W10013 | MIL-E-6843, ClassE-10013 | Senden |
| 6465 | Alloy HY-180 | Wire, Steel Welding, Vacuum Melted | K91971 | ./. | Senden |
| 6466 | Alloy Type 502 | Steel, Coorosion Resistant , Welding Wire | S50280 | ./. | Senden |
| 6467 | Alloy Type 502 | Steel, Welding Electrodes, Covered, Noncurrent | S50200 | ./. | Senden |
| 6468 | Alloy HP 9-4-20 | Steel Welding Wire, Vacuum Melted | K91461 | ./. | Senden |
| 6469 | Wrought Low Alloy | Steel, Welding Wire, Vacuum Melted | ./. | ./. | Senden |
| 6470 | Alloy 135 Mod | Steel, Nitriding, Bars, Forgings and Tubing | K24065 | MIL-S-6709 | Senden |
| 6471 | Alloy 135 Mod | Steel Bars, Forgings and Tubing, Nitriding Grade, Consumable Electrode Vacuum Melted | | | Senden |
| 6472 | Alloy 135 Mod | Steel Bars and Forgings, Nitriding, Hardened and Tempered | K24065 | ASTM-E-384 | Senden |
| 6473 | Wrought Low Alloy | Steel Welding Wire, Vacuum Melted, Noncurrent | ./. | ./. | Senden |
| 6474 | Wrought Low Alloy | Forgings, Hardenable Steels and Corrosion-Resistant Steels | ./. | ./. | Senden |
| 6475 | Wrought Low Alloy | Steel, Nitriding, Bars, Forgings and Tubing | K52355 | ./. | Senden |
| 6476 | Wrought Low Alloy | Steel, Bars, Forgings and Tubing | K19526 | ./. | Senden |
| 6477 | Wrought Low Alloy | Steel Bars Forgings and Tubing | ./. | ./. | Senden |
| 6478 | Alloy Aermet 100 | Steel, Bars and Forgings, Vacuum Melted | K92580 | ./. | Senden |
| 6479 | Wrought Low Alloy | Steel, Bars, Forgings and Tubing | ./. | ./. | Senden |
| 6480 | Wrought Low Alloy | Steel Nitriding, Cancelled | ./. | ./. | Senden |
| 6481 | Wrought Low Alloy | Steel Bars, Forgings and Tubing | ./. | ./. | Senden |
| 6484 | Alloy 4340 | Steel, Bars, Forgings and Tubing, Normalized and Tempered | G43400 | MIL-S-5000 | Senden |
| 6485 | Alloy H-11 | Steel Bars and Forgings, Noncurrent | T20811 | FED-QQ-T-570, Class H-11 | Senden |
| 6487 | Alloy H-11 | Steel, Bars and Forgings, Consumable Electrode Vacuum Melted | T20811 | ./. | Senden |
| 6488 | Alloy H-11 | Steel, Bars and Forgings | T20811 | ./. | Senden |
| 6490 | Alloy M-50 | Steel Bars, Forgings, and Tubing | T11350 | ./. | Senden |
| 6491 | Alloy M-50 | Steel Bars, Forgings and Tubing, Double Vacuum Melted | T11350 | ./. | Senden |
| 6501 | Alloy Maraging 250 | Steel, Maraging, Welding Wire, Vacuum Induction Melted | K92890 | ./. | Senden |
| 6510 | Wrought Low Alloy | Steel Tubing, Cancelled | ./. | ./. | Senden |
| 6512 | Alloy Maraging 250 | Steel, Bars, Forgings, Tubing and Rings, Consumable Electrode Vacuum Melted, Annealed | K92890 | MIL-S-46850, Type III, Grade 250 | Senden |
| 6514 | Alloy Maraging 300 | Steel, Maraging, Bars, Forgings, Tubing and Rings, Consumable Electrode Vacuum Melted | K93120 | MIL-S-13881, Type II, Class I | Senden |
| 6518 | Wrought Low Alloy | Steel Sheet, Strip and Plate, Maraging, Double Vacuum Melted, Solution Heat Treated, Noncurrent | | | Senden |
| 6519 | Wrought Low Alloy | Steel, Maraging, Bars, Forgings, Tubing and Rings, Double Vacuum Melted, Annealed | | ./. | Senden |
| 6520 | Alloy Maraging 250 | Steel, Maraging, Sheet, Strip and Plate, Noncurrent | K92890 | ./. | Senden |
| 6521 | Alloy Maraging 300 | Steel Sheet, Strip and Plate, Maraging, Noncurrent | K93160 | MIL-S-46850, Grade 300 | Senden |
| 6522 | Alloy AF-1410 | Steel Plate, Vacuum Melted, Normalized and Overaged | ./. | ./. | Senden |
| 6523 | Alloy HP 9-4-20 | Steel, Sheet, Strip and Plate | K91472 | ./. | Senden |
| 6524 | Alloy HP 9-4-30 | Steel, Sheet, Strip and Plate, Noncurrent | K91313 | ./. | Senden |
| 6525 | Alloy HP 9-4-20 | Steel, Bars, Forgings, Tubing and Rings | K91472 | ./. | Senden |
| 6526 | Alloy HP 9-4-30 | Steel, Bars, Forgings, Tubing and Rings | K91283 | ./. | Senden |
| 6527 | Alloy AF 1410 | Steel, Bars and Forgings, Vacuum Melted, Normalized and Overaged | K92571 | ./. | Senden |
| 6528 | Alloy 4130 | Steel, Bars | G41300 | ./. | Senden |
| 6529 | Alloy 4140 | Steel, Bars | G41400 | ./. | Senden |
| 6530 | Alloy 8630 | Steel Tubing, Seamless, Cancelled | G86300 | ./. | Senden |
| 6531 | Wrought Low Alloy | Steel Tubing, Cancelled | ./. | ./. | Senden |
| 6532 | Alloy Aermet 100 | Steel, Bars and Forgings, Vacuum Melted | K92580 | ./. | Senden |
| 6533 | Alloy AF 1410 | Steel. Welding Wire, Vacuum Melted | K92571 | ./. | Senden |
| 6535 | Alloy 8630 | Steel Tubing, Cancelled | G86300 | ./. | Senden |
| 6540 | Wrought Low Alloy | Steel Bars, Forgings, Tubing and Rings, Cancelled | ./. | ./. | Senden |
| 6541 | Wrought Low Alloy | Steel Bars, Forgings, Tubing and Rings, Cancelled | ./. | ./. | Senden |
| 6542 | Wrought Low Alloy | Steel Bars, Forgings and Tubing, Cancelled | ./. | ./. | Senden |
| 6543 | Alloy AF-1410 | Steel, Bars and Forgings, Maraging, Double Vacuum Melted | K91970 | ./. | Senden |
| 6544 | Alloy AF1410 | Plate, Maraging Steel, Double Vacuum Melted | K91970 | ./. | Senden |
| 6545 | Wrought Low Alloy | Steel, Sheet, Strip and Plate, Cancelled | ./. | ./. | Senden |
| 6546 | Alloy HP 9-4-25 | Steel Sheet, Strip and Plate, Cancelled | K91122 | ./. | Senden |
| 6550 | Alloy 8630 | Steel Tubing, Welded, Cancelled | G86300 | ./. | Senden |