Download - Carbon and Low Alloy Steels
12/12/11 Carbon and Low Alloy Steels
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ASTM - American Society for Testing and Materials AMS - Aerospace Material Specification
AISI - American Iron and Steel Institute IC - Investment Casting Institute
MIL - Military Specification SAE - Society of Automotive Engineers
ACI - Alloy Casting Institute IN - International Nickel
QQ - Federal Specifications
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Carbon and Low Alloy Steels
Alloy Specification Carbon Min-MaxManganese
Min-MaxSilicon Min-Max Chromium Min-Max Nickel Min-Max
Molybdenum Min-Max
PhosphorusMin-Max
Sulfur Min-Max
Iron Other Melting Range 0F
1020
MIL-S-22141B IC 1020MIL-S-81591 IC 1020
.15- .25 .30- .60 .20-1.00 .04 .04 Bal. 2770-2810
ASTM A-27 GR N-1 .25 .75 .80 .05 06 Bal. 2770-2810
ASTM A-27 GR U60-30 .25 .75 .80 .05 06 Bal. 2770-2810
ASTM A-27 GR 70-40 .25 1.20 .80 .05 06 Bal. 2770-2810
ASTM A-216 GR WCA .25 .70 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. Total "*"
Elements, 1.00 Max.2770-2810
ASTM A-216 GR WCC .25 1.20 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. Total "*"Elements 1.00 Max.
2770-2810
ASTM A-352 GR LCA .25 .70 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. 2770-2810
ASTM A-352 GR LCC .25 1.20 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. 2770-2810
IC 1020 .15- .25 .20- .60 .20- .60 .25 .25 .25 .04 .045 Bal. Cu*, .25 Max. 2755-2795
ASTM A-732 GR 1A .15- .25 .20- .60 .20-1.00 .35* .50* .04 .045 Bal.
Cu*, .50 Max.;
Mo + W*, .25 Max. Total Unspec. *
1.00 Max
2770-2810
1025
ASTM A-27 GR 60-30 .30 .60 .80 .05 .06 Bal. 2770-2810
ASTM A-27 GR 65-35 .30 .70 .80 .05 .06 Bal. 2770-2810
ASTM A-216 GR WCB .30 1.00 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. Total "*"Elements 1.00 Max.
2770-2810
1025 Cont.
ASTM A-352 GR LCB .30 1.00 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.; V*, .03 Max. 2770-2810
QQ-S-681d CL 65-35 (Discontinued) .30 .70 .80 .35 .50* .20* .05 .06 Bal. Cu*, .30 Max.;Cu + Ni + Mo, 1.0
Max.2755-2795
1025
MOD.ASTM A-487 GR I-A,B,C .30 1.00 .80 .35* .50* .04 .045 Bal.
Cu*, .50 Max.; V, .04-.12; Mo + W*,
.25 Max. Total Unspec. * 1.00 Max.2755-2795
1030
MIL-S-22141B IC 1030MIL-S-81591 IC 1030
.25- .35 .70-1.00 .20-1.00 .04 .04 Bal. 2755-2795
ASTM A-27 GR N-2 .35 .60 .80 .05 .06 Bal. 2770-2810
ASTM A-27 GR 70-36 .35 .70 .80 .05 .06 Bal. 2770-2810
ASTM A-732 GR 2A, 2Q .25- .35 .70-1.00 .20-1.00 .35* .50* .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total
Unspec. * 1.00 Max.2755-2795
IC 1030 .25- .35 .70-1.00 .20- .60 .25 .25 .25 .04 .045 Bal. Cu, .25 Max. 2755-2795
1040
MIL-S-22141B IC 1040
MIL-S-81591 IC 1040.35- .45 .70-1.00 .20-1.00 .04 .04 Bal. 2730-2770
ASTM A-732 GR 3A, 3Q .35- .45 .70-1.00 .20-1.00 .35* .50* .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total
Unspec. * 1.00 Max.2730-2770
IC 1040 .35- .45 .70-1.00 .20-1.00 .25 .25 .25 .04 .045 Bal. Cu, .25 Max. 2730-2770
IC 1050 .45- .55 .70-1.00 .20-1.00 .25 .25 .25 .04 .045 Bal. Cu, .25 Max. 2700-2740
MIL-S-22141B IC 1050 .45- .55 .70-1.00 .20-1.00 .04 .04 Bal. 2700-2740
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1050 MIL-S-81591 IC 1050QQ-S-681d CL-80-40 (Discontinued) .50 .90 .80 .05 .06 Bal. 2700-2740
ASTM A-732 GR 4A, 4Q .45- .55 .70-1.00 .20-1.00 .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total
Unspec. * 0.60 Max.2700-2740
2317
MOD.ASTM A-352 GR LC3 .15 .50- .80 .60 3.00-4.00 .04 .045 Bal. 2700-2740
2345 IC 2345 .40- .50 .70- .90 .20- .80 .25 3.25-3.75 .25 .04 .04 Bal. Cu, .25 Max. 2700-2740
2512MOD.
ASTM A-352 GR LC4 .15 .50- .80 .60 4.00-5.00 .04 .045 Bal. 2700-2740
3120 IC 3120 .15- .25 .60- .80 .20- .80 .55- .75 1.10-1.40 .25 .04 .04 Bal. Cu, .25 Max. 2700-2740
4020
ASTM A-352 GR LC2 .25 .50- .80 .60 2.0 -3.00 .04 .045 Bal. 2700-2740
ASTM A-487 GR 1-A,B,C .30 1.00 .80 .35* .50* .04 .045 Bal.Cu*, .50 Max.; V, .04-.12; Mo + W*,
.25 Max. Total Unspec. * 1.00 Max.2755-2795
ASTM A-732 GR 6N .35 1.35-1.75 .20- .80 .35* .50* .25-.55 .04 .045 Bal.Cu*, .50 Max.; W*, .25 Max. Total
Unspec. * 1.00 Max.2740-2780
4020
MOD.
ASTM A-217 GR WC1 .25 .50- .80 .60 .35* .50* .45- .65 .04 .045 Bal. Cu*, .50 Max.; W*, .10 Max. Total "*"
Elements 1.00 Max.2770-2810
ASTM A-352 GR LC1 .25 .50- .80 .60 .45- .65 .04 .045 Bal. 2770-2810
ASTM A-487 GR 2-A,B,C .30 1.00-1.40 .80 .35* .50* .10- .30 .04 .045 Bal.Cu*, .50 Max.; V*, .03 Max.; W*, .10
Max. Total Unspec. * 1.00 Max.2755-2795
4115
MOD.ASTM A-217 GR WC9 .05- .18 .40-.70 .60 2.00-2.75 .50* .90-1.20 .04 .045 Bal. Cu*, .50 Max.; W*, .10 Max. Total "*"
Elements, 1.00 Max.2730-2770
4118MOD.
ASTM A-217 GR WC6 .05- .20 .50- .80 .60 1.00-1.50 .50* .45- .65 .04 .045 Bal. Cu*, .50 Max.; W*, .10 Max. Total "*"
Elements, 1.00 Max.2730-2770
ASTM A-217 GR WC11 .15- .21 .50- .80 .30- .60 1.00-1.50 .50* .45- .65 .020 .015 Bal. Cu*, .35 Max.; V*, .03 Max. Al, .01
Max, Total "*" Elements, 1.00 Max.2730-2770
4130
AMS 5336 D .25- .35 .40-.80 1.00 .80-1.10 .25 .15- .25 .04 .04 Bal. Cu, .25 Max. 2775-2815
MIL-S-22141B IC 4130 .25- .35 .40-.70 .20- .80 .80-1.10 .15- .25 .04 .04 Bal. 2775-2815
IC 4130 .25- .35 .40-.70 .20- .80 .80-1.10 .25 .15- .25 .04 .04 Bal. Cu, .25 Max. 2775-2815
ASTM A-487 GR 9-A,B,C,D .33 .60-1.00 .80 .75-1.10 .50* .15- .30 .04 .045 Bal.Cu*, .50 Max.; V*, .03 Max.; W*, .10
Max. Total Unspec. * 1.00 Max.2700-2740
ASTM A-732 GR 7Q .25- .35 .40- .70 .20- .80 .80-1.10 .15- .25 .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total
Unspec. * 0.60 Max.2775-2815
4140
AMS 5338C .35- .45 .75-1.0 1.00 .80-1.10 .25 .15- .25 .04 .04 Bal. Cu, .35 Max. 2765-2805
MIL-S-22141B IC 4140 .35- .45 .70-1.05 .20- .80 .80-1.10 .15- .25 .04 .04 Bal. 2765-2805
IC 4140 .35- .45 .70-1.0 .20- .80 .80-1.10 .25 .15- .25 .04 .04 Bal. Cu, .25 Max. 2765-2805
ASTM A-732 GR 8Q .35- .45 .70-1.00 .20- .80 .80-1.10 .50* .15- .25 .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total
Unspec. *1.00 Max.2765-2805
4320MOD.
ASTM A-487 GR 10-A,B .30 .60-1.00 .80 .55- .90 1.40-2.00 .20- .40 .04 .045 Bal.Cu*, .50 Ma.,; V*, .30 Max. W*, .10
Max. Total Unspec, *0.60 Max.2700-2740
ASTM A-352 GR LC2-1 .22 .55- .75 .50 1.35-1.85 2.50-3.50 .30- .60 .04 .045 Bal. 2700-2740
4330
AMS 5328C .28- .36 .60-1.00 .50-1.00 .65-1.00 1.65-2.00 .30- .45 .025 .025 Bal. Cu, .35 Max. 2725-2765
ASTM A-732 GR 9Q .25- .35 .40- .70 .20- .80 .70- .90 1.65-2.00 .20- .30 .04 .045 Bal.Cu*, .50 Ma.,; W*, .10 Max. Total
Unspec. *0.60 Max.2725-2765
4335
MOD.MIL-S-22141B IC 4335M .30- .38 .60-1.00 .50-1.00 .65-1.00 .025 .025 Bal. V, .14 Max. 2720-2760
4340
AMS 5330C .38- .46 .60-1.00 .50-1.00 .65-1.00 1.65-2.00 .30- .45 .025 .025 Bal. Cu, .35 Max. 2720-2760
MIL-S-22141 IC 4340 .36- .44 .60- .90 .20- .80 .70- .90 1.65-2.00 .20- .30 .025 .025 Bal. 2720-2760
ASTM A-732 GR 10Q .35- .45 .70-1.00 .20- .80 .70- .90 1.65-2.00 .20- .30 .04 .045 Bal. Cu*, .50 Max; W*, .10 Max. Total
Unspec. * 1.00 Max.
2720-2760
4620
MIL-S-22141B IC 4620 .15- .25 .40- .70 .20- .80 1.65-2.00 .20- .30 .04 .04 Bal. 2720-2760
ASTM A-732 GR 11Q .15- .25 .40- .70 .20- .80 .35* 1.65-2.00 .20- .30 .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total
Unspec. * 1.00 Max.2720-2760
4620
MOD.ASTM A-487 GR 13-A,B .30 .80-1.10 .60 .40* 1.40-1.75 .20- .30 .04 .045 Bal.
Cu*, .50 Max,; W*, .10Max.; V*, .03
Max. Total Unspec. * 0.75 Max.2730-2770
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4640MOD.
ASTM A-487 GR 14-A .55 .80-1.10 .60 .40* 1.40-1.75 .20- .30 .04 .045 Bal.Cu*, .50 Max.; W*, .03 Max.; W*, .10
Max. Total Unspec. * 0.75 Max.2730-2770
4718
MOD.
ASTM A-217 GR WC4 .05- .20 .50- .80 .60 .50- .80 .70-1.10 .45- .65 .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total "*"Elements, .60 Max.
2720-2760
ASTM A-217 GR WC5 .05- .20 .40- .70 .60 .50- .90 .60-1.00 .90-1.20 .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total "*"Elements, .60 Max.
2730-2770
ASTM A-487 GR 7-A .20 .60-1.00 .80 .40- .80 .70-1.00 .40- .60 .04 .045 Bal.
Cu, .15-50; V, .03- .10; W* , .10 Max.;
B, .002-.006 Total Unspec. * 0.60Max.
2700-2740
ASTM A-487 GR 11-A,B .20 .50- .80 .60 .50- .80 .70-1.10 .45- .65 .04 .045 Bal.Cu*, .50 Max.; V*, .03 Max.; W* , .10Max. Total Unspec. * 0.50 Max.
2700-2740
ASTM A-487 GR 12-A,B .20 .40- .70 .60 .50- .90 .60-1.00 .90-1.20 .04 .045 Bal.Cu*, .50 Max.; V*, .03 Max.; W* , .10
Max. Total Unspec. * 0.50 Max.2700-2740
4815
MOD.ASTM A-352 GR LC2 .25 .50- .80 .60 2.00-3.00 .04 .045 Bal. 2750-2790
6120 ASTM A-732 GR 5N .30 .70-1.00 .20- .80 .35* .50* .04 .045 Bal.Cu*, .50 Max.; V, .05-.15; Mo + W*,
.25 Max. Total Unspec. * 1.00 Max.2700-2740
6150
MIL-S-22141B IC 6150 .45- .55 .65- .95 .20- .80 .80-1.10 .04 .04 Bal. V, .15 Min. 2700-2740
ASTM A-732 GR 12Q .45- .55 .65- .95 .20- .80 .80-1.10 .50* .04 .045 Bal.
Cu*, .50 Max.; V, .15 Min.; W*, .10
Max.; Mo + W*, .10 Max. Total
Unspec. * 1.00 Max.
2700-2740
8615 AMS 5333C .11- .17 .65-1.0 .50-1.00 .35- .65 .35- .75 .15- .35 .04 .04 Bal. Cu, .35 Max. 2700-2740
8620
MIL-S-22141B IC 8620 .15- .25 .65- .95 .20- .80 .40- .60 .40- .70 .15- .25 .04 .04 Bal. 2700-2740
ASTM A-487 GR 4-A,B,C,D,E .30 1.00 .80 .40- .80 .40- .80 .15- 30 .04 .045 Bal.Cu*, .50 Max.; V*, .03 Max.; W*, .10
Max. Total Unspec. * .0.60 Max.2700-2740
ASTM A-732 GR 13Q .15- .25 .65- .95 .20- .80 .40- .70 .40- .70 .15- .25 .04 .045 Bal.Cu*, .50 Max. W*, .10 Max. Total
Unspec. * 1.00 Max.2720-2740
IC 8620 .15- .25 .65- .95 .28- .80 .40- 70 .40- .70 .15- .25 .04 .045 Bal. Cu*, .25 Max. 2720-2740
8620MOD.
ASTM A-487 GR 6-A,B .38 1.30-1.70 .80 .40- .80 .40- .80 .30- .40 .04 .045 Bal.Cu*, .50 Max.; V*, .03 Max.; W*, .10
Max. Total Unspec. * 0.60 Max.2720-2740
8630
AMS 5334D .25- .35 .60- .95 1.00 .35- .65 .35- .75 .15- .30 .04 .04 Bal. Cu, .35 Max. 2720-2740
MIL-S-22141B IC 8630 .25- .35 .65- .95 .20- .80 .40- .60 .40- .70 .15- .25 .04 .04 Bal. 2720-2740
ASTM A-732 GR 140 Q .25- .35 .65- .95 .20- .80 .40- .70 .40- .70 .15- .25 .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total
Unspec. * 1.00 Max.2720-2740
IC 8630 .25- .35 .65- .95 .20- .80 .40- .70 .40- .70 .15- .25 .04 .045 Bal. Cu* , .25 Max 2720-2740
8635MOD.
MIL-S-22141B IC 8635 .30 -.38 .30- .70 .20-1.00 .35- .90 .35- .75 .15- .40 .025 .025 Bal. 2720-2740
8640 MIL-S-22141B IC 8640 .35- .45 .70-1.05 .20- .80 .40- .60 .40- .70 .15- .25 .04 .04 Bal. 2720-2740
8730 IC 8730 .25- .35 .70- .90 .20- .80 .40- .60 .40- .70 .15- .30 .04 .04 Bal. Cu, .25 Max 2720-2740
52100
MIL-S-22141B IC 52100 .95-1.10 .25- .55 .20- .80 1.30-1.60 .04 .04 Bal. 2640-2680
ASTM A-732 GR 15A .95-1.10 .25- .55 .20- .80 1.30-1.60 .50* .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total
Unspec. * 0.60 Max.2640-2680
Misc.
ASTM A-217 C5 .20 .40- .70 .75 4.00-6.50 .50* .45- .65 .04 .045 Bal.Cu*, .50 Max.; W*, .10 Max. Total "* "Elements, 1.00 Max.
2550-2650
ASTM A-217 C12 .20 .35- .65 1.00 8.00-10.00 .50* .90-1.20 .04 .045 Bal. Cu*, .50 Max.; W*, .10 Max. Total "* "
Elements, 1.00 Max.2550-2650
ASTM A-352 GR LC9 .13 .90 .45 .50 8.5 -10.0 .20 .04 .045 Bal. Cu, .30 Max.; V, .03 Max. 2700-2750
ASTM A-356 GR 1 .35 .70 .60 .035 .030 Bal. 2770-2810
ASTM A-356 GR 2 .25 .70 .60 .45- .65 .035 .030 Bal. 2775-2815
ASTM A-356 GR 5 .25 .70 .60 .40- .70 .40- .60 .035 .030 Bal. 2775-2815
ASTM A-356 GR 6 .20 .50- .80 .60 1.00-1.50 .45- .65 .035 .030 Bal. 2775-2815
ASTM A-356 GR 8 .20 .50- .90 .20- .60 1.00-1.50 .90-1.20 .035 .030 Bal. V, .05-.15 2775-2815
ASTM A-356 GR 9 .20 .50- .90 .20- .60 1.00-1.50 .90-1.20 .035 .030 Bal. V, .20-.35 2775-2815
ASTM A-356 GR 10 .20 .50- .80 .60 2.00-2.75 .90-1.20 .035 .030 Bal. 2730-2770
ASTM A-389 GR C 23 .20 .30- .80 .60 1.00-1.50 .45- .65 .04 .045 Bal. V, .15-.25 2700-2740
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Misc.
ASTM A-389 GR C 24 .20 .30- .80 .60 .80-1.25 .90-1.20 .04 .045 Bal. V, .15-.25 2700-2740
ASTM A-487 GR 8-A,B,C,D .20 .50- .90 .80 2.00-2.75 .90-1.10 .04 .045 Bal.Cu*, .50 Max.; V*, .03 Max.; W*, .10
Max. Total Unspec. * 0.60 Max.2700-2740
ASTM A-757 GR A1Q .30 1.00 .60 .40* .50* .25* .025 .025 Bal.V*, .03 Max.; Cu*, .50 Max.; Total
Residuals*, 1.00 Max.2770-2810
ASTM A-757 GR A2Q .25 1.20 .60 .40* .50* .25* .025 .025 Bal.V*, .03 Max.; Cu*, .50 Max.; Total
Residuals*, 1.00 Max.2770-2810
ASTM A-757 GR B2N B2Q .25 .50- .80 .60 .40* 2.0 -3.0 .25* .025 .025 Bal.V*, .03 Max.; Cu*, .50 Max.; Total
Residuals*, 1.00 Max.2770-2810
ASTM A-757 GR B3N B3Q .15 .50- .80 .60 .40* 3.0 -4.0 .25* .025 .025 Bal.V*, .03 Max.; Cu*, .50 Max.; Total
Residuals*, 1.00 Max.2700-2740
ASTM A-757 GR B4N B4Q .15 .50- .80 .60 .40* 4.0 -5.0 .25* .025 .025 Bal.V*, .03 Max.; Cu*, .50 Max.; Total
Residuals*, 1.00 Max.2700-2740
Misc.
ASTM A-757 GR C1Q .25 1.20 .60 .40* 1.5 -2.0 .15- .30 .025 .025 Bal.V*, .03 Max.; Cu*, .50 Max.; Total
Residuals*, 1.00 Max.2720-2760
ASTM A-757 D1N1 D1Q1 GR D1N2 D1Q2
D1N3 D1Q3
.20 .40- .80 .60 2.0 -2.75 .50* .90-1.20 .025 .025 Bal.V*, .03 Max.; Cu*, .50 Max. W*, .10
Max.; Total Residuals*, 1.00 Max.2730-2810
ASTM A-757 GR E1Q .22 .50- .80 .60 1.35-1.85 2.5 -3.5 .35- .60 .025 .025 Bal.V*, .03 Max.; Cu*, .50 Max.; Total
Residuals*, 0.70 Max.2730-2770
ASTM A-757 GR E2N E2Q .20 .40- .70 .60 1.50-2.0 2.75-3.90 .40- .60 .020 .020 Bal.V*, .03 Max.; Cu*, .50 Max. W*, .10
Max.; Total Residuals*, 0.70 Max.2720-2760
ASTM A-757 GR E3N .06 1.00 1.00 11.5-14.0 3.5 -4.5 .40-1.0 .030 .030 Bal.Cu*, .50 Max.; W*, .10 Max.; Total
Residuals*, 0.50 Max.2700-2790
ASTM A-487 GR 16-A .12 2.10 .50 .20* 1.00-1.40 .10* .02 .02 Bal.Cu*, .20 Max.; W*, .10 Max.; V*, .02
Max.; Total Unspec.*, 0.50 Max.2720-2760
MIL-S-22141B
NITRALLOY 135M.35- .45 .40- .70 .20-.80 1.40-1.80 .30- .45 .04 .04 Bal. AL, .85-1.20 2765-2800
IC 1722 AS .27- .34 .45- .65 .55-.75 1.00-1.50 .25 .40- .60 .04 .04 Bal. Cu, .25 Max. 2700-2740