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Chromium Stainless
A selection guide to common air melted alloys.

 
  The C-M Group Alloy Index is a useful selection guide to the  more commonly used nickel base super alloys for castings.
The C-M Group has made a diligent effort to ensure that the specifications listed are accurate as of the date they were posted. However, the company assumes no liability for errors or omissions. Please consult the pertinent issuing organization to confirm specifications before ordering and to obtain specifications issued or modified after the posting of this guide.
 
Copyright 1999 The C-M Group. All right reserved999. The C-M Group. All right r
Chromium Stainless
Alloy                    Specification

Carbon

Min – Max

Mang.

Min – Max

Silicon

Min – Max

Chrom.

Min – Max

Nickel

Min – Max

Moly.

Min – Max

Phosp.

Min – Max

Sulfur

Min – Max

Iron

Other

Melting

Range ºF

410    
          MIL-S-81591 IC 410


.05 -.15


1.00


1.00


11.5-13.5


.50


.50


.04


.03


Bal.


Cu, .50 Max.


2700-2790

AMS 5350 G

.05 -.15

1.00

1.00

11.5 -13.5

.50

.50

.04

.03

Bal.

Cu, .50Max; Sn, .05 Max.;
Al, .05 Max.

2700-2790

MIL-S-16993 CL I (Disc.)

.15

1.00

1.50

11.5-14.0

1.00

.50

.05

.05

Bal.

  

2700-2790

MIL-S-16993 CL II (Disc.)

.15

1.00

.50

11.5 -14.0

.65-1.00

.50- .70

.05

.05

Bal.

  

2700-2970

 ASTM A-487 GRCA15

.15

1.00

1.50

11.5 -14.0

1.00

.50

.04

.04

Bal.

Cu*, .50 Max; W*, .10 Max. V*, .05 Max.; Total Unspec. * .50 Max.

2700-2790

IC CA-15

.05- .15

1.00

1.50

11.5 -14.0

1.00

.50

.04

.04

Bal.

  

2700-2790

AMS 5351 E

.15

1.00

1.50

11.5 -14.0

1.00

.50

.04

.03

Bal.

Al, .05 Max; Cu, .50 Max.; Sn, .05 Max.

2700-2790

ASTM A-217 GR CA15
ASTM A-743 GR CA15
ACI CA15, SAE 60410


.15


1.00


1.50


11.5-14.0


1.00


.50


.04


.04


Bal.

  


2700-2790

410 MOD.      
    ASTM A-487 GR CA6NM
    ASTM A-743 GR CA6NM


.06


1.00


1.00


11.5 -14.0


3.50-4.50


.40 -1.00


.04


.03


Bal.

Cu*, .50 Max; W*, .10 Max. V*, .05 Max.; Total Unspec. * .50 Max.


2700-2790

ASTM A-487 GR CA15M
ASTM A-743 GR CA15M

.15

1.00

.65

11.5 -14.0

1.00

.15- 1.00

.04

.04

Bal.

Cu*, .50 Max; W*, .10 Max. V*, .05 Max.; Total Unspec. * .50 Max.

2700-2790
416     AMS 5349B Type 1 .15 1.25 1.50 11.5-14.0 .50 .50 .04 .05 -.05 Bal. Cu, .50 MAx; Al. .05 MAx; Zr, .50 Max; Sn, .05 MAx 2700-2790

MIL-S-81591 IC 416 a)
b)

 .15 1.25 1.50 11.5 -14.0 .50 .50 .04
.05		 .03
.15-.35		 Bal. Cu, 50 Max; Se .10-.30 Zr.; .50 Max
Cu, .50 Max Zr, .50 Max		 2700-2790

IC 416

 .15 1.25 1.50 11.5 -14.0 .50 .50 .05 .15 -.35* Bal. Cu, .50 Max.; Zr, .50 Max or Se, .10-.30 2700-2790
420    
           MIL-S-81591 IC 420
.15
1.00
1.00
12.0-14.0		    
.04
.03
Bal.		  
2650-2750

ASTM A-743 GR CA40
ACI CA40

 .20- .40 1.00 1.50 11.5 -14.0 1.00 .50 .04 .04 Bal.   2650-2750

IC CA-40

 .20- .40 1.00 1.50 11.5 -14.0 1.00 .50 .04 .04 Bal.   2650-2750

SAE 51420 (Discontinued)

 .15- .40 1.00 1.00 12.0 -14.0     .04 .03 Bal.   2650-2750
420 MOD.
   ASTM A -743 GR CA-40F
.20- .40
1.00
1.50
11.5 -14.0
1.0
.50
.04
.04
Bal.		  
2650-2750

ASTM A 743 GR CA-28MWV

 .20- .48 .50-1.00 1.00 11.0 -12.5 .50 -1.0 .90-1.25 .03 .03 Bal. W, .90-1.25; V, .20- .30 2650 2750

431                 
                        AMS 5353B
.08- .15
1.00
1.00
15.0 -17.0
1.5 -2.2.0
.50
.04
.04
Bal.		 N2 .03-.12; C +N2, .22 Max; Cu, .50 Max.
2600-2700

AMS 5372B

.12 -.20 1.00 1.00 14.5 -17.00 1.50 -2.25 .75 .04 .04 Bal. Cu, .75 Max 2600-2700

MIL-S-81591 IC 431

 .08- .15 1.00 1.00 15.0 -17.0 1.50 -2.20   .04 .04 Bal. N2 .03-.12; C +N2, .22 Max. 2600-2700

IC 431

 .08- .15 1.00 1.00 15.0 -17.0 1.50-2.20   .04 .04 Bal. C +N2, .22 Max.; N2, .03-.12 2600-2700
436
AMS 5354D Greek Ascoloy
.15- .20
1.00
1.00
12.0 -14.0
1.80-2.20
.50
.04
.03
Bal.
Cu, .50 Max.; W, 2.50-3.50
2650-2700

440A

        MIL-S-81591 IC 440A

.60- .75

1.00

1.00

16.0 -18.0
 

.75

.04

.03

Bal.		  
2500-2750

IC 440C

 .60- .75 1.00 1.00 16.0 -18.0   .75 .04 .03 Bal.   2500-2750
440C
         MIL-S-81591 IC 440C
.95 -1.20
1.00
1.00
16.0 -18.0
.75
.35- .75
.04
.03
Bal.		   2500-2700

AMS 5352C

 .95-1.20 1.00 1.00 16.0 18.0 .75 .35- .75 .04 .03 Bal. Cu, .75 Max. 2500-2700

IC 440C

 .95 -1.20 1.00 1.00 16.0 -18.0 .75 .35- .75 .04 .03 Bal.   2500-2700

440F                     IC 440F

 .95-1.20 1.00 1.00 16.0 -18.0 .50 .75 .04 .15-.35* Bal. Cu, .50Max.* or Se .10- .30 2500-2700
442
      ASTM A-743 GR CB30
.30
1.00
1.50
18.0 -21.0
2.00		  
.04
.04
Bal.		   2650-2750

ACI  CB30

 .30 1.00 1.50 18.0 -21.0 2.00   .04 .04 Bal.   2650-2750
446
       ASTM A-743 GR CC50
.50
1.00
1.50
26.0 -30.0
4.00		  
.04
.04
Bal.		  
2650-2750

ASTM A-297 GR HC,
ACI HC, SAE 70446

 .50 1.00 2.00 26.0 -30.0 4.00 .50 .04 .04 Bal.   2650-2750

ACI CC50

 .50 1.00 1.50 23.0 -27.0     .04 .03 Bal.   2650-2750
SAE 51446 (Discontinued) .20 1.50 1.00 8.00-10.00 .50* .90-1.20 .04 .045 Bal. N2, .25 Max. 2600-2750

51502 MOD.
          ASTM A217 GR C12
.20
.35- .65
1.00
8.00-10.00
.50*
.90-1.20
.04
.045
Bal.		 Cu*, .50 Max.; W*, .10Max. Total S1* 1.00 Max.
2700-2790

Home Air Melt Index Vacuum Melt Index Quality Certificates News & Technical Bulletins

Copyright © 1999, 2004 The C-M Group. Specialty Material and Alloys Group. All rights reserved. Information in this document is subject to change without notice. Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.

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