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Grade

AMS

Other Specifications

Condition Of Steel

C

MN

P

Ni
Relative Machinability to AISI 1212
ETD-150 AMS 6378 ASTM-A-29 Cold Finished .40/.45 .70/1.10 .035 .25 75%
E-4130 AMS 6370 AMS 2301 AMS 6348 ASTM-A-331 ASTM-A-322 MIL-S-6758 Cold Finished, Normalized
Hot Rolled, M.S., Normalized
Cold Finished, Annealed
.28/.33 .40/.60 .025 .25 75%
E-4130 HT AMS 6730 AMS 2301 ASTM-A-331 MIL-S-6758 Cold Finished, Heat Treated .28/.33 .40/.60 .025 .25 45%
E-4140 AMS 6382 AMS 6349 AMS 2301 ASTM-A-331 MIL-S-5626 Cold Finished, Annealed
Hot Rolled, M.S, Annealed
Hot Rolled, M.S., Ht Treated
.38/.43 .75/1.00 .025 .25 66%
55%
E-4330 Mod AMS 6411 AMS 2301 MILS-8699 Hot Rolled, M.S, Annealed
Normalized & Tempered
.28/.33 .80/1.00 .025 1.65/2.00 57%
E-4340 AMS 6415 AMS 6484 AMS 2301 MILS-5000 ASTM-A-331 Cold Finished, Annealed
Cold Finished Annealed Normalized & Tempered
Hot Rolled M.S., Annealed Normalized & Tempered
Hot Rolled M.S, Annealed
.38/.43 .65/.85 .025 1.65/2.00 57%
E-4620 AMS 6294 AMS 2301 AMS 2304 MILS 7493 ASTM-A- 322 Cold Finished Hot Rolled, M.S. .17/.22 .45/.65 .025 1.65/2.00 66%
E-52100 AMS 6440 AMS 2301 MILS-7420 ASTM-A-322 Cold Finished, Spheroidized, Annealed
Hot Rolled M.S., Spheroidized, Annealed
.98/1.10 .25/.45 .025 .25 50%
45%
E-6150 AMS 6448 AMS 2300 MILS-8503 Hot Rolled, Annealed
Cold Finished, Annealed
.48/.53 .70/.90 .025 .25 50%
E-8740 AMS 6322 ASM 2301 AMS 2304 MILS-6049 ASTM-A-331 Cold Finished, Annealed
Hot Rolled, Annealed
Cold Finished, Annealed
.38/.43 .75/1.00 .025 .40/.70 66%
E-9310 AMS 6265 AMS 6260 MILS-7393 COMP 3 Cold Finished Annealed
Hot Rolled M.S., Annealed
H R Normalized, M.S. & Tempered
.07/.13 .40/.60 .025 3.00/3.50 49%
Nitriding AMS 6472 AMS 2301 AMS 2304 AMS 2301 MILS-6709 COMP A
135 MOD
STM-A-322
Cold Finished Heat Treated
Hot Rolled M.S. Heat Treated
.38/.43 .50/.80 .025 .25 50%
H-11 AMS 6485 AMS 6487 AMS 6488 -------- Hot Rolled Annealed .38/.43 .20/.40 .015 .25 45%
Hy-Tuf AMS 6418 AMS 2301 AMS 2304 MILS-7108 ASTM-A-322 Hot Rolled Normalized & Tempered .23/.28 1.20/1.50 .025 1.65/2.00 45%
D6AC AMS 6431 AMS 2300 MILS-8949 Hot Rolled M.S. Normalized & Tempered .45/.50 .60/.90 .010 .40/.70 50%