AIR MELT ALLOYS

Carbon & Low Steel Alloys

Alloy Specification Carbon (Min-Max) Manganese (Min-Max) Silicon (Min-Max) Chromium (Min-Max) Nickel (Min-Max) Molybdenum (Min-Max) Phosphorous (Min-Max) Sulfur (Min-Max) Iron Other Solidus Liquidus
1020 MIL-S-81591 IC 1020 0.15-.25 .30-.60 .20-1.00 0.04 0.04 Bal
ASTM A 216 WCC 0.25 1.2 0.6 .50* .50* .20* 0.04 0.045 Bal. Cu* .30 Max.; V* .03 Max. Total Other 1.00 Max 2770 2800
ASTM A 352 LCC 0.25 1.2 0.6 .50* .50* .20* 0.04 0.045 Bal. V* .03 Max" 2770 2800
1025 ASTM A 216 WCB 0.3 1 0.6 .50* .50* .20* 0.04 0.045 Bal. Cu* .30 Max.; V* .03 Max. Total Other 1.00 Max 2770 2800
ASTM A 352 LCB 0.3 1 0.6 .50* .50* .20* 0.04 0.045 Bal. Cu* .30 Max.; V* .03 Max 2770 2800
1030 MIL-S-22141B/81591 IC 1030 .25- .35 .70-1.00 .20-1.00 0.04 0.04 Bal.
1040 MIL-S-22141B/81591 IC 1040 .35- .45 .70-1.00 .20-1.00 0.04 0.04 Bal.
1050 MIL-S-22141B/81591 IC 1050 .45- .55 .70-1.00 .20-1.00 0.04 0.04 Bal.
2512 MOD ASTM A 352 LC4 0.15 50- .80 0.6 4.00-5.00 0.04 0.045 Bal.
4020 ASTM A 352 LC2 0.25 .50- .80 0.6 2.00-3.00 0.04 0.045 Bal.
ASTM 487 GR1 0.3 1 0.8 .35* .50* 0.04 0.045 Bal. Cu*, .50 Max.; V, .04-.12; Mo+W*, .25 Max. Total Other 1.00 Max.
4020 MOD ASTM A 217 WC1 0.25 .50- .80 0.6 .35* .50* .45- .65 0.04 0.045 Bal. . Cu*, .50 Max.; W*, .10 Max. Total Other 1.00 Max
4115 MOD. ASTM A 217 WC9 .05- .18 .40- .70 0.6 2.00-2.75 .50* .90-1.20 0.04 0.045 Bal. Cu*, .50 Max.; W*, .10 Max.; Total Other 1.00 Max
4118 MOD. ASTM A 217 WC6 .05- .20 .50- .80 0.6 1.00-1.50 .50* .45- .65 0.04 0.045 Bal. Cu*, .50 Max.; W*, .10 Max.; Total Other 1.00 Max
4130 AMS 5336 .25- .35 .40- .80 1 .80-1.10 0.25 .15- .25 0.04 0.04 Bal. Cu, .25 Max 2760 2790
MIL-S-22141B IC 4130 .25- .35 .40- .70 .20- .80 .80-1.10 .15- .25 0.04 0.04 Bal. 2760 2790
4140 AMS 5338 .35- .45 .75-1.00 1 .80-1.10 0.25 .15- .25 0.04 0.04 Bal. Cu, .35 Max. 2740 2770
MIL-S-22141B IC 4140 .35- .45 .70-1.05 .20- .80 .80-1.10 .15- .25 0.04 0.04 Bal. 2740 2770
4330 AMS 5328 .28-36 .60-1.00 .50-1.00 .65-1.00 1.65-2.00 .30- .45 0.025 0.025 Bal. Cu, .35 Max.
4335 MOD. MIL-S-22141B IC 4335M .30-.38 .60-1.00 .50-1.00 .65-1.00 0.025 0.025 Bal. . V, .14 Max
4340 AMS 5330 .38-.46 .60-1.00 .50-1.00 .65-1.00 1.65-2.00 . .30- .45 0.025 0.025 Bal. Cu, .35 Max 2720 2760
MIL-S-22141B IC 4340 .36-.44 60- .90 .20- .80 .70- .90 1.65-2.00 .20- .30 0.025 0.025 Bal. 2720 2760
4620 MIL-S-22141B IC 4620 .15-.25 .40- .70 .20- .80 1.65-2.00 .20- .30 0.04 0.04 Bal.
6150 MIL-S-22141B IC 6150 .45- .55 .65- .95 . 20- .80 .80-1.10 0.04 0.04 Bal. V, .15 Min
8615 AMS 5333 .11- .17 .65-1.0 .50-1.00 35- .65 .35- .75 .15- .35 0.04 0.04 Bal. Cu, .35 Max. 2750 2790
E8620 MIL-S-22141B IC 8620 .15- .25 .65- .95 .20- .80 .40- .60 .40- .70 . .15- .25 0.04 0.04 Bal. 2750 2790
8630 AMS 5334 .25- .35 .60- .95 1 .35- .65 .35- .75 .15- .30 0.04 0.04 Bal. Cu, .35 Max.
MIL-S-22141B IC 8630 .25- .35 .65- .95 .20- .80 .40- .60 .40- .70 . .15- .25 0.04 0.04 Bal.
8635 MOD. MIL-S-22141B IC 8635 30- .38 .30- .70 .20-1.00 .35- .90 .35- .75 .15- .40 0.025 0.025 Bal.
8640 MIL-S-22141B IC 8640 35- .45 .70-1.05 .20- .80 .40- .60 .40- .70 15- .25 0.04 0.04 Bal.
52100 MIL-S-22141B IC 52100 95-1.10 .25- .55 .20- .80 1.30-1.60 0.04 0.04 Bal.
ASTM A 732 15A .95-1.10 .25- .55 .20- .80 1.30-1.60 .50* 0.04 0.045 Bal. Cu*, .50 Max.; W*, .10 Max.; Total Other 0.60 Max.

Tool Steels

Alloy Specification Carbon (Min-Max) Manganese (Min-Max) Silicon (Min-Max) Chromium (Min-Max) Molybdenum (Min-Max) Tungsten (Min-Max) Cobalt (Min-Max) Phosphorous (Min-Max) Sulfur (Min-Max) Vanadium (Min-Max) Iron (Min-Max) Other Solidus Liquidus
A-2 ASTM A 597 CA-2 .95-1.05 0.75 1.5 4.75-5.50 .90-1.40 0.03 0.03 20-.50 Bal. 2590 2650
D-2 ASTM A 597 CD-2 1.40-1.60 1 1.5 11.00-13.00 .70-1.20 .70-1.00 0.03 0.03 .40-1.00 Bal. 2530
D-5 ASTM A 597 CD-5 1.35-1.60 0.75 1.5 11.00-13.00 .70-1.20 2.50-3.50 0.03 0.03 .35- .55 Bal. Ni, .40-.60
H-11 IC CH-11 .30-.40 0.75 .95-1.15 4.60-5.40 1.20-1.60 0.025 0.025 .30- .50 Bal.
H-12 ASTM A 597 CH-12 .30-.40 0.75 1.5 4.75-5.75 1.25-1.75 1.00-1.70 0.03 0.03 .20- .50 Bal.
H-13 ASTM A 597 CH-13 .30- .42 0.75 1.5 4.75-5.75 1.25-1.75 0.03 0.03 .75-1.20 Bal.
M-2 ASTM A 597 CM-2 .78- .88 0.75 1 3.75-4.50 4.50-5.50 5.50-6.75 0.25 0.03 0.03 1.25-2.20 Bal. . Ni, .25 Max
M-4 IC CM-4 1.25-1.35 0.75 1 3.75-4.50 4.50-5.50 5.20-6.20 0.025 0.025 3.60-4.40 Bal.
M-42 IC CM-42 1.00-1.20 0.75 1 3.50-4.25 9.0-10.0 1.25-1.75 7.50-8.50 0.025 0.025 .95-1.35 Bal.
M-43 IC CM-43 1.15-1.35 0.75 1 3.50-4.25 8.25-9.25 1.50-2.00 7.75-8.75 0.025 0.025 1.50-2.00 Bal.
O-1 ASTM A 597 CO-1 .85-1.00 1.00-1.30 1.5 .40-1.00 .40- .60 0.03 0.03 0.3 Bal. 2740
O-2 IC CO-2 .85- .95 1.50-1.80 1 0.4 0.3 0.025 0.025 0.3 Bal.
S-2 IC CS-2 .45- .55 0.75 .90-1.20 .40- .60 0.025 0.025 0.3 Bal.
S-5 ASTM A 597 CS-5 .50- .65 .60-1.00 1.75-2.25 0.35 .20- .80 0.03 0.03 0.35 Bal. 2670 2710
S-7 ASTM A 597 CS-7 .45- .55 .40- .80 .60-1.00 3.00-3.50 1.20-1.60 0.03 0.03 Bal. 2700 2750
T-1 IC CT-1 .65- .75 0.75 1 3.75-4.50 17.25-18.75 0.025 0.025 .90-1.30 Bal.
T-15 1.60-1.50 0.15-0.40 0.15-0.40 3.75-5.00 1 11.75-13.00 5 4.50-5.25 Bal. .30 xNi

Stainless Steels

Precipitation Hardening Martensitic
Alloy Specification Carbon (Min-Max) Manganese (Min-Max) Silicon (Min-Max) Chromium (Min-Max) Nickel (Min-Max) Molybdenum (Min-Max) Phosphorous (Min-Max) Sulfur (Min-Max) Copper (Min-Max) Iron (Min-Max) Other Solidus Liquidus
14-4 AMS 5340 0.06 0.7 .50-1.00 13.50-14.25 3.75-4.75 2.00 -2.75 0.02 0.025 3.00-3.50 Bal. . Cb, .15-.35; N2, .05 Max.; Ta, .05 Max.
15 5 ASTM A 747 CB 7Cu-2 0.07 0.7 1 14.00-15.50 4.50-5.50 0.035 0.03 2.50-3.20 Bal. Cb/Ta, .15-.35; N2, .05 Max. 2650 2680
AMS 5346 0.05 0.6 .50-1.00 14.00-15.50 4.20-5.00 0.025 0.025 2.50-3.20 Bal. Cb/Ta, .15-.30; N2, .05 Max 2650 2680
AMS 5347 0.05 0.6 .50-1.00 14.00-15.50 4.20-5.00 0.025 0.025 2.50-3.20 Bal. Cb, .15-.30, N2, Ta, .05 Max 2650 2680
AMS 5356 0.05 0.6 .50-1.00 14.00-15.50 4.20-5.00 0.025 0.025 2.50-3.20 Bal. Cb, .15-.30; Ta, .05 Max 2650 2680
AMS 5357 0.05 0.6 .50-1.00 14.00-15.50 4.20-5.00 0.025 0.025 2.50-3.20 Bal. Cb, .15-.30; N2, .05 Max; Ta, .05 Max 2650 2680
AMS 5400 0.05 0.6 .50-1.00 14.00-15.50 4.20-5.00 0.025 0.025 2.50-3.20 Bal. Cb, .15-.30; N2, .05 Max; Ta, .05 Max. 2650 2680
17-4 ASTM A 747 CB 7Cu-1 0.07 0.7 1 15.50-17.70 3.60-4.60 0.035 0.03 2.50-3.20 Bal. Cb, .15-.35; N2, .05 Max 2660 2690
AMS 5342/5344 0.06 0.7 .50-1.00 15.50-16.7 3.60-4.60 0.025 0.025 2.80-3.50 Bal. Cb/Ta, .15-.40; Al, .05 Max.; N2, .05 Max; Sn, .02 Max. 2660 2690
AMS 5343 0.06 0.7 .50-1.00 15.50-16.70 3.60-4.60 0.025 0.025 2.80-3.50 Bal. Cb/Ta, .15-.40; Al, .05 Max.; N2, .05 Max; Sn, .02 Max.; Ta, .05 Max 2660 2690
AMS 5355 0.06 0.7 .50-1.00 15.50-16.70 3.60-4.60 0.025 0.025 2.80-3.50 Bal. Cb/Ta, .15-.40; Al, .05 Max.; N2, .05 Max; Sn, .02 Max.; Ta, .05 Max 2660 2690
MIL-S-81591 IC-17-4 0.08 1 1 15.50-17.50 3.00-5.00 0.04 0.04 3.0-5.0 Bal. Cb/Ta, .45 Max. 2660 2690
AM 355 AMS 5368 .08-.15 .40-1.10 0.75 14.50-15.50 3.50-4.50 2.00-2.60 0.04 0.03 Bal. N2, .05-.13; C+N2, .15-.25
Austenitic Stainless Steelic
Alloy Specification Carbon (Min-Max) Manganese (Min-Max) Silicon (Min-Max) Chromium (Min-Max) Nickel (Min-Max) Molybdenum (Min-Max) Phosphorous (Min-Max) Sulfur (Min-Max) Copper (Min-Max) Iron (Min-Max) Other Solidus Liquidus
302 AMS 5358 0.25 1.5 2 17.0-19.0 8.0-10.0 0.75 0.04 0.03 0.75 Bal.
MIL-S-81591 IC 302 0.15 2 1 17.0-19.0 8.0-10.0 0.04 0.03 Bal.
ASTM A 743 CF20 0.2 1.5 2 18.0-21.0 8.0-11.0 0.04 0.04 Bal.
303 AMS 5341 0.16 2 2 18.0-21.0 9.0-12.0 0.75 0.04 .15-.35 0.75 Bal. 2600 2630
MIL-S-81591 IC 303 a 0.16 1.5 2 18.0-21.0 9.0-12.0 1.5 0.17 0.04 0.5 Bal. Se, .20-.35 2600 2640
MIL-S-81591 IC 303 b 0.16 1.5 2 18.0-21.0 9.0-12.0 0 .40 -.80 0.04 .20-.40 0.5 Bal.
ASTM A 743 CF16F 0.16 1.5 2 18.0-21.0 9.0-12.0 1.5 0.17 0.04 Bal. Se, 0.20-0.35 2600 2640
ASTM A 743 CF16F A 0.16 1.5 2 18.0-21.0 9.0-12.0 .40-.80 0.04 .20-.40 Bal.
304 ASTM A 743/744 CF8 0.08 1.5 2 18.0-21.0 8.0-11.0 0.04 0.04 Bal. 2630 2660
ASTM A 351 CF8/CF8 A 0.08 1.5 2 18.0-21.0 8.0-11.0 0.5 0.04 0.04 Bal. 2630 2660
MIL-S-81591 IC 304 0.08 2 1 18.0-20.0 8.0-12.0 0.04 0.03 Bal. 2630 2670
304 L ASTM A 743/744 CF3 0.03 1.5 2 17.0-21.0 8.0-12.0 0.04 0.04 Bal. 2630 2660
ASTM A 351 CF3/CF3A 0.03 1.5 2 17.0-21.0 8.0-12.0 0.5 0.04 0.04 Bal. 2630 2660
304 AMS 5370/5371 0.05 1.0-2.0 0.75-1.50 18.0-21.0 8.0-11.0 0.75 0.04 0.04 0.75 Bal. 2630 2670
MIL-S-81591 IC 304L 0.05 1.0-2.0 1 18.0-21.0 8.0-11.0 0.5 0.04 0.03 0.5 Bal. 2630 2670
ASTM A 351 CF10 .04- .10 1.5 2 18.0-21.0 8.0-11.0 0.5 0.04 0.04 Bal. 2630 2660
ASTM A 297 HF .20-.40 2 2 18.0-23.0 8.0-12.0 0.5 0.04 0.04 Bal.
DIN 1.4826 .030-.050 2 1.00-2.50 21.0-23.0 9.0-11.0 0.5 0.04 0.03 Bal.
309 ASTM A 297 HH .20-.50 2 2 24.0-28.0 11.0-14.0 0.5 0.04 0.04 Bal.
ASTM A 351 CH10 0.04-0.10 1.5 2 22.0-26.0 12.0-15.0 0.5 0.04 0.04 Bal.
ASTM A 351 CH20 0.04-0.20 1.5 2 22.0-26.0 12.0-15.0 0.5 0.04 0.04 Bal.
ASTM A 351 HK30 .25-.35 1.5 1.75 23.0-27.0 19.0-22.0 0.5 0.04 0.04 Bal.
ASTM A 351 HK40 .35-.45 1.5 1.75 23.0-27.0 19.0-22.0 0.5 0.04 0.04 Bal.
310 AMS 5365 .10-.18 2 .50-1.50 23.0-26.0 19.0-22.0 0.75 0.04 0.04 0.75 Bal. 2530 2570
AMS 5366 0.18 2 .50-1.50 23.0-26.0 19.0-22.0 0.75 0.04 0.03 0.75 Bal. 2530 2570
MIL-S-81591 IC 310 0.25 2 1.5 24.0-26.0 19.0-22.0 0.04 0.03 Bal. 2530 2570
ASTM A 743 CK20 0.2 2 2 23.0-27.0 19.0-22.0 0.04 0.04 Bal. 2530 2570
ASTM A 297 HK .20-.60 2 2 24.0-28.0 18.0-22.0 0.5 0.04 0.04 Bal. 2530 2570
ASTM A 297 HL .20-.60 2 2 28.0-32.0 18.0-22.0 0.5 0.04 0.04 Bal. 2530 2570
ASTM A 351 CK20 04-.20 1.5 1.75 23.0-27.0 19.0-22.0 0.5 0.04 0.04 Bal. 2530 2570
311 ASTM A 297 HN .20-.50 2 2 19.0-23.0 23.0-27.0 0.5 0.04 0.04 Bal.
312 ASTM A 743 CE30 0.3 1.5 2 26.0-30.0 8.0-11.0 0.04 0.04 Bal.
ASTM A 297 HE .20-.50 2 2 26.0-30.0 8.0-11.0 0.5 0.04 0.04 Bal.
316 AMS 5360 0.15 2 0.75 16.0-18.0 12.0-14.0 1.50-2.25 0.04 0.03 0.75 Bal. 2600 2640
AMS 5361 .15-.25 2 1 17.0-20.0 12.0-15.0 1.75-2.50 0.04 0.04 0.75 Bal. 2600 2640
MIL-S-81591 IC 316 0.08 2 1 16.0-18.0 10.0-14.0 2.0-3.0 0.04 0.03 Bal. 2600 2640
ASTM A 351 0.08 1.5 1.5 18.0-21.0 9.0-12.0 2.0-3.0 0.04 0.04 Bal. 2600 2640
ASTM 743/744 CF8M 0.08 1.5 2 18.0-21.0 9.0-12.0 2.0-3.0 0.04 0.04 Bal. 2600 2640
F-745 0.06 2 1 17.0-19.0 11.0-14.0 2.0-3.0 0.045 0.03 Bal. 2600 2640
316 L ASTM A 351 CF3M/CF3MA 0.03 1.5 1.5 17.0-21.0 9.0-13.0 2.0-3.0 0.04 0.04 Bal. 2600 2640
ASTM A 743/744 CF3M 0.03 1.5 1.5 17.0-21.0 9.0-13.0 2.0-3.0 0.04 0.04 Bal. 2600 2640
ISO 5832-1 0.03 2 1 17.0-19.0 13.0-15.0 2.25-3.0 0.025 0.01 0.5 Bal. N2 0.10 Max 2580 2640
316 LN ASTM A 351/743 CF3MN 0.03 1.5 1.5 17.0-21.0 9.0-13.0 2.0-3.0 0.04 0.04 Bal. N2, .10-.20
316 N ASTM A 351 CF 10M .04-.10 1.5 1.5 18.0-21.0 9.0-12.0 2.0-3.0 0.04 0.04 Bal.
317 ASTM A 351/743/744 CG8M 0.08 1.5 1.5 18.0-21.0 9.0-13.0 3.0-4.0 0.04 0.04 Bal. 2570 2630
321 MIL-S-81591 IC 321 0.08 2 1 17.0-19.0 9.0-12.0 0.04 0.03 Bal. Ti, 5xC Min.
327 ASTM A 297 HD 0.5 1.5 2 26.0-30.0 4.0-7.0 0.5 0.04 0.04 Bal.
330 ASTM A 297 HT .35-.75 2 2.5 15.0-19.0 33.0-37.0 0.5 0.04 0.04 Bal. 2490 2540
ASTM A 351 HT30 .25-.35 2 2.5 13.0-17.0 33.0-37.0 0.5 0.04 0.04 Bal. 2490 2540
331 ASTM A 297 HU .35-.75 2 2.5 17.0-21.0 37.0-41.0 0.5 0.04 0.04 Bal.
334 ASTM A 297 HW .35-.75 2 2.5 10.0-14.0 58.0-62.0 0.5 0.04 0.04 Bal.
335 ASTM A 297 HX .35-.75 2 2.5 15.0-19.0 64.0-68.0 0.5 0.04 0.04 Bal.
347 ASTM A 743/744 CF8C 0.08 1.5 2 18.0-21.0 9.0-12.0 0.04 0.04 Bal. Cb/Ta, 8xC-1.0 2590 2640
ASTM A 351 CF8C 0.08 1.5 2 18.0-21.0 9.0-12.0 0.5 0.04 0.04 Bal. Cb/Ta, 8xC-1.0 2590 2640
AMS 5362 0.12 2 1.5 18.00-19.50 10.00-14.00 0.75 0.04 0.03 0.75 Bal. Cb/Ta, 10xC-1.5, Ta 0.05 Max 2590 2640
AMS 5364 0.08 2 1.5 18.00-21.00 9.00-12.00 0.75 0.04 0.03 0 .75 Bal. Cb, 8xC-1.0; 2590 2640
MIL-S-867A CL II 0.08 1.5 2 18.0-21.0 9.0-12.0 0.05 0.05 Bal. Cb/Ta, 10xC Min., -1.10 2590 2640
MIL-S-81591 IC 347 0.08 2 1 17.0-19.5 9.0-13.0 0.04 0.03 Bal. Cb/Ta, 10xC-1.5 2590 2640
Misc. ASTM A 297 HI .20-.50 2 2 26.0-30.0 14.0-18.0 0.5 0.04 0.04 Bal.
ASTM A 297 HP .35-.75 2 2.5 24-28 33-37 0.5 0.04 0.04 Bal.
ASTM A 351 CT 15C .05-.15 .15-1.50 .50-1.50 19.0-21.0 31.0-34.0 0.03 0.03 Bal. Cb/Ta, .50-1.50
ASTM A 351/743/744 CN7M 0.07 1.5 1.5 19.0-22.0 27.5-30.5 2.0-3.0 0.04 0.04 3.0-4.0 Bal. 2490 2540
ASTM A 743/744 CN7MS 0.07 1 2.50-3.50 18.0-20.0 22.0-25.0 2.5-3.0 0.04 0.03 1.5-2.0 Bal.
ASTM A 743 CN3M 0.03 2 1 20.0-22.0 23.0-27.0 4.5-5.5 0.03 0.03 Bal.
ASTM A 351 CF10MC 0.1 1.5 1.5 15.0-18.0 13.0-16.0 1.75-2.25 0.04 0.04 Bal. Cb 10Xc mim – 1.20 Max
IN 864/856 0.15 1.5 2.3-3.0 17.0-19.0 10.5-12.5 Bal. B, .23-.30
AMS 5369 .28-.35 .75-1.50 1 18.00-21.00 8.00-11.00 1.00-1.75 0.04 0.04 0.5 Bal. W, 1.00-1.75; Ti .15-.50; Cb/Ta, .30-.70
ASTM A 990 CN3MCu 0.03 1.5 1 19.0-22.0 27.5-30.5 2.0-3.0 0.03 0.015 3.0-3.50 Bal.
N-50 ASTM A 351/743 CG6MMN 0.06 4.00-6.00 1 20.5-23.5 11.5-13.5 1.50-3.00 0.04 0.03 Bal. Cb/Ta, .10-.30; N2, .20-.40; V, .10-.30
N-60 ASTM A 351/743 CF10SMnN 0.1 7.00-9.00 7.00-9.00 16.0-18.0 8.0-9.0 0.06 0.03 Bal. N2, 0.08-0.18
AL6XN ASTM A 743/744 CN3MN 0.03 2 1 20.0-22.0 23.5-25.5 6.0-7.0 0.04 0.01 0.75 Bal. N2, 0.18-0.26
254 SMO O ASTM A 351/743/744 CK3MCuN 0.025 1.2 1 19.5-20.5 17.5-19.5 6.0-7.0 0.045 0.01 0.50-1.00 Bal. N2, 0.18-0.24 2440 2520
Austenitic Ferritic (Duplex) Stainless Steels
Alloy Specification Carbon (Min-Max) Manganese (Min-Max) Silicon (Min-Max) Chromium (Min-Max) Nickel (Min-Max) Molybdenum (Min-Max) Phosphorous (Min-Max) Sulfur (Min-Max) Copper (Min-Max) Iron (Min-Max) Other Solidus Liquidus
DUPLEX ASTM A 890 1A CD4MCu 0.04 1 1 24.5 – 26.5 4.75-6.00 1.75-2.25 0.04 0.04 2.75-3.25 Bal.
ASTM A 890/995 1B CD4MCuN 0.04 1 1 24.5 – 26.5 4.7-6.0 1.7-2.3 0.04 0.04 2.7-3.3 N2, 0.10-0.25
ASTM A 890 1C CD3MCuN 0.03 1.2 1.1 24.0 – 26.7 5.6 – 6.7 7 2.9 – 3.8 0.03 0.03 1.40-1.90 Bal. N2, 0.22-0.33
ASTM A 890/351/995 2A CE8MN 0.08 1 1.5 22.5 – 25.5 8.0-11.0 3.0-4.5 0.04 0.04 Bal. N2, 0.10-0.30
ASTM A 890/995 3A CD6MN 0.06 1 1 24.0 – 27.0 4.0-6.0 1.75-2.50 0.04 0.04 Bal. N2, 0.15-0.25
ASTM A 890/995 4A CD3MN 0.03 1.5 1 21.0 – 23.5 4.5-6.5 2.5-3.5 0.04 0.02 1 Bal. N2, 0.10-0.30
ASTM A 890/995 5A CE3MN 0.03 1.5 1 24.0 – 26.0 6.0-8.0 4.0-5.0 0.04 0.04 Bal. N2, 0.10-0.30
ASTM A 890/995 6A CD3MWCuN 0.03 1 1 24.0 – 26.0 6.5-8.5 3.0-4.0 0.03 0.025 0.5-1.0 Bal. N2, 0.20-0.30,W, 0.5-1.0
2304 X2CrNiN23-4 0.03 2.5 1 21.5-24.5 3.00 – 5.50 0.6 0.035 0.015 .05-.60 Bal. N2 .05 – .20
2507 X2CrNiMoN25-7-4 0.03 2 1 24.0-26.0 6.0 – 8.0 3.00 – 4.50 0.035 0.015 Bal. N2 .20 – .35
2205 X2CrNiMoN22-5-3 0.03 2 1 21.0-23.0 4.5 – 6.5 2.50 – 3.50 0.035 0.015 Bal. N2 .10 – .22
Z 100 X2CrNiMoCuWN25-7-4 0.03 1 1 24.0-26.0 6.0 – 8.0 3.00 – 4.00 0.035 0.015 0.5 – 1.0 Bal. N2 .20 – .30; W 0.50 – 1.00
Cast 255 X2CrNiMoCuN25-6-3 0.03 2 0.7 24.0-26.0 5.5 – 7.5 2.70 – 4.00 0.035 0.015 1.0 – 2.5 Bal. N2 .05 – .20
Ferritic and Martensitic Stainless Steels
Alloy Specification Carbon (Min-Max) Manganese (Min-Max) Silicon (Min-Max) Chromium (Min-Max) Nickel (Min-Max) Molybdenum (Min-Max) Phosphorous (Min-Max) Sulfur (Min-Max) Copper (Min-Max) Iron (Min-Max) Other Solidus Liquidus
DUPLEX ASTM A 890 1A CD4MCu 0.04 1 1 24.5 – 26.5 4.75-6.00 1.75-2.25 0.04 0.04 2.75-3.25 Bal.
ASTM A 890/995 1B CD4MCuN 0.04 1 1 24.5 – 26.5 4.7-6.0 1.7-2.3 0.04 0.04 2.7-3.3 N2, 0.10-0.25
ASTM A 890 1C CD3MCuN 0.03 1.2 1.1 24.0 – 26.7 5.6 – 6.7 7 2.9 – 3.8 0.03 0.03 1.40-1.90 Bal. N2, 0.22-0.33
ASTM A 890/351/995 2A CE8MN 0.08 1 1.5 22.5 – 25.5 8.0-11.0 3.0-4.5 0.04 0.04 Bal. N2, 0.10-0.30
ASTM A 890/995 3A CD6MN 0.06 1 1 24.0 – 27.0 4.0-6.0 1.75-2.50 0.04 0.04 Bal. N2, 0.15-0.25
ASTM A 890/995 4A CD3MN 0.03 1.5 1 21.0 – 23.5 4.5-6.5 2.5-3.5 0.04 0.02 1 Bal. N2, 0.10-0.30
ASTM A 890/995 5A CE3MN 0.03 1.5 1 24.0 – 26.0 6.0-8.0 4.0-5.0 0.04 0.04 Bal. N2, 0.10-0.30
ASTM A 890/995 6A CD3MWCuN 0.03 1 1 24.0 – 26.0 6.5-8.5 3.0-4.0 0.03 0.025 0.5-1.0 Bal. N2, 0.20-0.30,W, 0.5-1.0
2304 X2CrNiN23-4 0.03 2.5 1 21.5-24.5 3.00 – 5.50 0.6 0.035 0.015 .05-.60 Bal. N2 .05 – .20
2507 X2CrNiMoN25-7-4 0.03 2 1 24.0-26.0 6.0 – 8.0 3.00 – 4.50 0.035 0.015 Bal. N2 .20 – .35
2205 X2CrNiMoN22-5-3 0.03 2 1 21.0-23.0 4.5 – 6.5 2.50 – 3.50 0.035 0.015 Bal. N2 .10 – .22
Z 100 X2CrNiMoCuWN25-7-4 0.03 1 1 24.0-26.0 6.0 – 8.0 3.00 – 4.00 0.035 0.015 0.5 – 1.0 Bal. N2 .20 – .30; W 0.50 – 1.00
Cast 255 X2CrNiMoCuN25-6-3 0.03 2 0.7 24.0-26.0 5.5 – 7.5 2.70 – 4.00 0.035 0.015 1.0 – 2.5 Bal. N2 .05 – .20

Nickel Base

Alloy Specification Carbon (Min-Max) Manganese (Min-Max) Silicon (Min-Max) Chromium (Min-Max) Nickel (Min-Max) Molybdenum (Min-Max) Tungsten (Min-Max) Cobalt (Min-Max) Iron (Min-Max) Other Solidus Liquidus
Ni Alloy B AMS 5396 0.12 1 1 1 Bal. 26.00-30.00 2.5 4.0-7.0 P, .03 Max.; S .03 Max.; V, .20-.60 2450 2490
ASTM A 494 N12MV 0.12 1 1 1 Bal. 26.0-30.0 4.0-6.0 P, .040 Max.; S, .030 Max.; V, .20-.60 2450 2490
ASTM A 494 N7M 0.07 1 1 1 Bal. 30.0-33.0 3 P, .040 Max.; S, .030 Max. 2450 2490
ASTN A 494 N3M 0.03 1 0.5 1 Bal. 30.0-33.0 3 P, .040 Max; S, .030 Max. 2450 2490
Ni Alloy C AMS 5388 0.15 1 1 15.50-17.50 Bal. 16.00-18.00 3.75-5.25 2.5 4.5-7.0 P, .03 Max.; S, .03 Max.; V, .20-.60 2450 2500
AMS 5389 0.15 1 1 15.50-17.50 Bal. 16.00-18.00 3.75-5.25 2.5 4.5-7.0 P, .04 Max.; S, .04 Max.; V, .20-.60 2450 2500
ASTM A 494 CW12MW 0.12 1 1 15.5-17.5 Bal. 16.0-18.0 3.75-5.25 4.5-7.5 P, .04 Max.; S, .03 Max,; V, .20-.40 Max 2410 2450
ASTM A 494 CW6M 0.07 1 1 17.0-20.0 Bal. 17.0-20.0 3 P, .040 Max.; S, .030 Max 2450 2500
ASTM A 494 CW2M 0.02 1 0.8 15.0-17.5 Bal. 15.0-17.5 1 2 P, .03 Max.; S, .03 Max 2450 2500
ASTM A 494 CX2M 0.02 1 0.5 22.0-24.5 Bal. 15.0-16.5 TBR 1.5 P, .020 Max.; S, .020 Max (Cu, Nb, W, V, Bi, Sn) TBR 2450 2500
ASTM A 494 CX2MW 0.02 1 0.8 20.0-22.5 Bal. 12.5-14.5 2.5-3.5 2.0-6.0 P, .025 Max; S, .025 Max; V, .35 Max 2450 2500
Ni Alloy D 0.12 .50-1.25 8.5-10.0 1 Bal. 1.5 2 Cu, 2.0-4.0
Ni Alloy F UNS-N06001 0.05 1.0-2.0 1 21.5-23.0 44.0-47.0 5.5-7.5 1 2.5 Bal. P, .04 Max.; S, .03 Max; Cb/Ta, 1.8-2.50
Ni Alloy G UNS-N06007 0.05 1.0-2.0 1 21.0-23.5 Bal. 5.5-7.5 1 2.5 18.0-21.0 P, .04 Max.; S, .03 Max.; Cu, 1.5-2.5; Cb/Ta, 1.8-2.5 2400 2600
UNS-N06030 0.03 1.5 0.8 28.0-31.5 Bal. 4.0-6.0 1.5-4.0 5 13.0-17.0 P, .04 Max; S, .02 Max; Cu, 1.0-2.4; Cb, 0.30-1.50 2400 2600
Ni Alloy X AMS 5390 0.1 1 1 20.5-23.0 Bal. 8.0-10.0 .20-1.00 .50-2.50 17.00-20.00 P, .04 Max.; S, .03 Max.; B, .010 Max.; Se, .0050 Max 2440 2480
Ni Alloy 210 ASTM A 494 CZ100 1 1.5 2 95 3 P, .03 Max.; S, .03 Max.; Cu, 1.25 Max
Ni Alloy 213 1.0-2.5 1.5 2 Bal. 1.25 S, .015 Max.; Cu, 1.25 Max
Ni Alloy 305 1 1.5 5.5-6.5 Bal. 1.25 S,.015 Max.; Cu, 1.25 Max
IN 610 ASTM A 494 CY40 0.4 1.5 3 14.0-17.0 Bal. 11 P, .03 Max.; S, .03 Max
IN 611 0.4 1.5 2 14.0-17.0 Bal. 11 Cu, .50 Max.; Cb/Ta, 1.00-3.00
IN 625 AMS 5402 0.1 0.5 0.5 20.0-23.0 Bal. 8.0-10.0 1 5 Cb, 3.15-4.15; Cu, .30 Max.; Al, .10 Max.; Ti, .10 Max; P, .03 Max.; S, .04 Max.; Ta, .15 Max
ASTM A 494 CW6MC 0.06 1 1 20.0-23.0 Bal. 8.0-10.0 5 Cb 3.15-4.50, P, 0.015 Max; S, 0.015 Max
50Cr 50Ni ASTM A 560 50 Cr-50 Ni 0.1 0.3 1 48.0-52.0 Bal. 1 P, .02 Max; S, .02 Max.; Al, .25 Max.; Ti, .50 Max.; N2, .30 Max
60Cr 40Ni ASTM A 560 60 Cr-40 Ni 0.1 0.3 1 58.0-62.0 Bal. 1 P, .02 Max; S, .02 Max.; Al, .25 Max.; Ti, .50 Max.; N2, .30 Max
IN 657 ASTM A 560 50 Cr-50 Ni-Cb 0.1 0.3 0.5 47.0-52.0 Bal. 1 Cb 1.4-1.7, P, .02 Max; S, .02 Max.; Al, .25 Max.; Ti, .50 Max.; N2, .16 Max; C+N2, .2 Max
IN 700 .04-.08 3.00-3.50 14.5-15.5 48.0-51.0 31.0-33.0 P, .03 Max.; S, .03 Max.; Fe+Co, 3.0 Max.; N2, .05 Max.; O2, .05 Max
IN 825 ASTM A 494 CU5MCuC 0.05 1 1 19.5-23.5 38.0-44.0 2.5-3.5 Bal. Cb.60-1.20, P .030 Max.; S .030 Max.; Cu 1.50-3.50
N-155 AMS 5376 0.2 1.00-2.00 1 20.00-22.50 19.00-21.00 2.50-3.50 2.00-3.00 18.5-21.00 Bal. P, .04 Max; S, .03 Max; Cb/Ta, .75-1.25; N2, .10-.20 2480 2530
INVAR MIL-I-23011C CLASS 5 0.05 0.8 0.3 41 0.5 Bal. P, .025; S, .025; Al, .05-.10
IC 47 50 0.05 0.6 0.6 47.0-50.0 Bal. P, 0.02; S, .02
Ni-Co Alloy Maraging AMS 5339 0.03 0.1 0.1 16.00-17.50 4.40-4.80 9.50-11.00 P, .010 Max.; S, .010 Max.; Ti, .15-.45; Al, .02-.10

Cobalt Base

Alloy Specification Carbon (Min-Max) Manganese (Min-Max) Silicon (Min-Max) Chromium (Min-Max) Nickel (Min-Max) Molybdenum (Min-Max) Tungsten (Min-Max) Cobalt (Min-Max) Iron (Min-Max) Other Solidus Liquidus
Co. Alloy 3 2.0-2.7 1 1 29.0-33.0 3 11.0-14.0 Bal. 3 P. .03 Max.; S. .03 Max.
Co. Alloy 4 1 1 1.5 28.0-32.0 3 1.5 12.5-15.5 Bal. 3
Co. Alloy 6 AMS 5387 .90-1.40 1 1.5 27.0-31.0 3 1.5 3.5-5.5 Bal. 3 P, .04 Max.; S, .04 Max 2340 2360
AMS 5373 .90-1.4 1 1.5 27.0-31.0 3 3 3 Bal. 3 P, .04 Max.; S, .03 Max 2340 2360
Co. Alloy 12 1.10-1.70 1 1 28.0-32.0 3 7.0-9.5 Bal. 3 P, .03 Max.; S, .03 Max
Co. Alloy 19 1.5-2.0 1 1 29.0-33.0 3 9.0-12.0 Bal. 3 P, .03 Max.; S, .03 Max
Co. Alloy 21 AMS 5385 .20-.30 1 1 25.00-29.00 1.75-3.75 5.00-6.00 Bal. 3 P, .04 Max.; S, .04 Max.; B, .007 Max 2510 2560
ASTM A 732 GR 21 .20-.30 1 1 25.0-29.0 1.7-3.7 5.0-6.0 Bal. 3 P, .04 Max.; S, .04 Max.; B, .007 Max 2510 2560
Co. Alloy 23 AMS 5375 .35-.45 1 1 23.00-27.00 .50-3.00 1 4.0-6.0 Bal. 2 P, .04 Max.; S, .03 Max
Co. Alloy 25 H.S. 25 (L605) .05-.15 1.0-2.0 1 19.0-21.0 9.0-11.0 14.0-16.0 Bal. 3 P, .04 Max.; S, .04 Max 2530 2580
Co. Alloy 27 AMS 5378 .35-.45 1 1 23.00-26.00 30.0-35.0 4.50-6.50 Bal. 2 P, .04 Max.; S, .03 Max
Co. Alloy 30 AMS 5380 .40-.50 1 1 24.00-28.00 14.0-16.0 5.50-6.50 Bal. 2 P, .04 Max.; S, .03 Max
Co. Alloy 31 AMS 5382 .45-.55 1 1 24.50-26.50 9.50-11.5 0.5 7.0-8.0 Bal. 2 P, .04 Max.; S, .04 Max; Zr, 0.25 Max 2470 2560
ASTM A 732 GR 31 .45-.55 1 1 24.5-26.5 9.5-11.5 7.0-8.0 Bal. 2 P, .04 Max.; S, .04 Max.; B, .005-.015 2470 2560
X 40 ASTM A 567 GR 2 (Disc.-1987) .45-.55 1 1 24.5-26.5 9.50-11.5 7.00-8.00 Bal. 2 0 P, .04 Max.; S, .04 Max.; B, .005-.015 2500 2570
X 45 ASTM A 567 GR 13 (Disc-1987) .20-.30 .40-1.00 .75-1.00 24.5-26.5 9.50-11.50 7.00-8.00 Bal. 2 P, .04 Max.; S, .04 Max.; B, .005-.015 2550 2590
FSX 414 ASTM A567 GR 12 (Disc-1987) .20-.30 .40-1.00 .50-1.00 28.5-30.5 9.50-11.50 6.50-7.50 Bal. 2 P, .04 Max.; S, .04 Max.; B, .005-.015 2530 2570
Co. Alloy 36 .35-.45 1.0-1.5 0.35 17.5-19.5 9.0-11.0 14.0-15.0 Bal. 2 P, .03 Max.; S, .03 Max.; B, .01-.05
Co. Alloy 93 2.75-3.25 1.5 1.5 15.0-19.0 14.0-18.0 4.0-7.0 Bal. P, .03 Max.; S, .03 Max.; V, 1.50-2.50
Co. Alloy T400 .04-.08 2.2-2.6 7.5-8.5 27.0-29.0 60.0-63.0 P, .03 Max.; S, .03 Max.; Ni+Fe, 3.0 Max., N2, .05 Max.; O2, .05 Max
Co Alloy T800 .04-.08 3.0-3.5 16.5-17.5 27.0-29.0 50.0-53.0 P, .03 Max.; S, .03 Max.; Ni+Fe, 3.0 Max.; . N2, .05 Max.; O2, .05 Max
CoCrMo ASTM F75 0.35 1 1 27.00-30.00 0.5 5.00-7.00 0.2 Bal. 0.75 P, 0.020 Max.; S, 0.010 Max.; B, 0.010; Ti, 0.10 Max.; Al, 0.10 Max.; N2, 0.25 Max. 2510 2560
ISO 5832-4 0.35 1 1 26.5-30.0 1 4.50-7.00 Bal. 1
Co. Alloy Misc. STAR J 2.20-2.70 1 1 31.0-34.0 2.5 16.0-19.0 Bal. 3 P, .03 Max.; S, 03 Max.; B, .25 Max.; All Other, 2.0 Max
98M2 1.70-2.20 1 1 28.0-32.0 2.00-5.00 0.8 17.0-20.0 Bal. 2.5 B, .70-1.50; V, 3.70-4.70
WI-52 .40-.50 0.5 0.5 20.0-22.0 1 10.0-12.0 Bal. 1.00-2.50 P, .04 Max.; S, .04 Max.; Cb/Ta, 1.5-2.5
TANTUNG G 1.8-2.2 26.0-29.0 15.0-17.0 Bal. 2 B, .15-.25; Ta, 4.5-5.5
HAYNES ULTIMET ALLOY UNS-R31233 0.02-0.10 0.1-1.5 0.05-1.00 23.5-27.5 7.0-11.0 4.0-6.0 1.0-3.0 Bal. 1.0-5.0 0 P, 0.030 Max.; S, 0.020 Max.; N, 0.03 – 0.12; B, 0.015 Max 2540 2580
N-155 AMS 5376 0.2 1.00-2.00 1 20.00-22.50 19.00-21.00 2.50-3.50 2.00-3.00 18.5-21.00 Bal. . P, .04 Max; S, .03 Max; Cb/Ta, .75-1.25; N2, .10-.20 2480 2530