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Alloy Comparison
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Aerospace Alloy Comparison
Use checkboxes to select two or more alloys.
High-strength Alloy Steels
Melt Type
Nominal Chemistries
Product
AIR
VAR
ESR
VIM-
VAR
C
Mn
Si
Cr
Ni
Mo
V
Co
Other
Industry Specifications
300M
x
0.42
0.75
1.65
0.80
1.80
0.40
0.07
-
-
AMS 6417, AMS 6419, AMS 6257, BMS 7-26, DMS 1935, GM 1012, MIL-S-83135, C-05-1190, CPS 4911, CE-0896, MTL 1201
35NCD16
x
0.40
0.40
0.30
1.80
4.00
0.45
-
-
-
MTL-1203
4330+V
x
0.30
0.85
0.30
0.85
1.80
0.40
0.07
-
-
AMS 6411, BMS 7-122, BMS 7-27, GM 1010, FMS 1012, EMS 96242, MIL-S-8699, EMS 56276, CE0906
4335+V
x
0.35
0.75
0.50
0.80
1.80
0.40
0.20
-
-
AMS 6429, MIL-MK-46-45, MIL-S-81054
4340
x
x
x
0.40
0.75
0.30
0.80
1.80
0.25
-
-
-
AMS 6414, AMS-S-5000, 299-947-055, DMS 1555, SS-9702, MSRR 6114, BMS 7-250, 299-947-335
AF1410
x
0.15
0.10
0.10
2.00
10.0
1.00
-
14.0
-
AMS 6527, MMS 214
AF1410 Mod
x
0.20
0.10
0.10
2.00
10.0
1.00
-
14.0
-
MMS 216
D6AC
x
0.46
0.75
0.25
1.10
0.60
1.00
0.10
-
-
AMS 6431, FMS 1011, GM 1013, STW 2606, 4MDS-20701, STM05-500, LCM05-2190, MIL-S-8949, HS-6-0284
Dynaflex H-11
x
0.40
0.30
0.90
5.00
-
1.30
0.50
-
-
AMS 6487, 299-947-084, MMS 260, SPS-M-260
HP 9-4-20
x
0.20
0.30
0.05
0.75
9.00
1.00
0.10
4.50
-
AMS 6525, BMS 7-182 Type IV, MMS-2101, BL0160-180, ST0160LB0002
HP 9-4-30
x
0.30
0.30
0.05
1.00
7.50
1.00
0.10
4.50
-
AMS 6526, BMS 7-182 Type II, MMS-2102, ST0160LB0004, ST0160LB0012, EMS 96247
HY-180
x
0.13
0.10
0.05
2.00
10.0
1.00
-
8.00
-
FMS 1111D + AMD 1
Hy-Tuf
x
0.25
1.35
1.50
0.30
1.80
0.40
-
-
-
AMS 6425, DMS 1841 Grade A, NAI 1275, MIL-S-7108
L6305
x
0.44
0.55
0.25
0.95
-
0.50
0.28
-
-
AMS 6305, PWA 768, PWA 733, PWA 817, CPW 245, GE C50T7F
Marvac 250 (maraging)
x
0.01
0.10
0.10
-
18.5
4.90
-
7.75
0.40 Ti / 0.10 Al
AMS 6512, AMS 6520, MIL-S-46850, SS9700, HMS 6-1080, GE B50TF95
Marvac 300 (maraging)
x
0.01
0.10
0.10
-
18.5
4.90
-
9.00
0.65 Ti / 0.10 Al
AMS 6514, AMS 6521, MIL-S-46850
Marvac 350 (maraging)
x
0.01
0.10
0.10
-
18.5
4.90
-
12.0
1.40 Ti / 0.10 Al
MIL-S-46850
UT-18
x
x
0.40
0.60
0.25
3.25
-
1.00
0.20
-
-
EMS 64500, MAT 122, British Standard 2S 132
High-performance Bearing & Gear Steels
Melt Type
Nominal Chemistries
Product
AIR
VAR
ESR
VIM-
VAR
C
Mn
Si
Cr
Ni
Mo
V
Co
Other
Industry Specifications
16NCD13
x
0.15
0.50
0.25
1.00
3.25
0.25
-
-
-
DMD 180-20, IGC 04.31.154, AIR 9160
440C
x
x
x
1.00
0.45
0.70
17.0
-
0.50
-
-
-
AMS 5618, QQS-763
440 N-DUR™
x
x
0.58
0.45
0.30
15.0
-
0.50
-
-
0.17 N
EMS 385
52100
x
x
1.05
0.35
0.30
1.50
-
-
-
-
-
AMS 6444, PWA 723
9310
x
x
0.10
0.50
0.25
1.20
3.25
0.12
-
-
-
AMS 6265, 299-947-032, AMS 6260, AMS 6267, EMS 56280, MIL-S-7393, MIL-S-83030, BMS 7-249 Type III, 299-947-302, SS-9705, ESR 0160
BG42
x
1.15
0.50
0.30
14.5
-
4.00
1.20
-
-
AMS 5749, PWA 778
CBS-50 NiL
x
0.13
0.25
0.20
4.10
3.40
4.25
1.20
-
-
AMS 6278, GE B50TF211, MSRR 6113, PWA 36140, CPW 492
CBS-223
x
0.14
0.30
0.90
5.00
-
1.40
0.45
-
1.35 W
BMS 7-223
CBS-600
x
0.19
0.60
1.10
1.45
-
1.00
-
-
-
AMS 6255
CSS-42L™
x
0.12
0.15
0.15
14.0
2.00
4.75
0.60
12.5
0.02 Cb (Nb)
AMS 5932 (U. S. Patent No. 5,424,028)
Lesco 53
x
0.11
0.40
0.90
1.00
2.00
3.25
0.10
-
2.00 Cu
AMS 6308, 299-947-334
M50
x
x
0.85
0.30
0.20
4.10
-
4.25
1.00
-
-
AMS 6490, 299-947-08, AMS 6491, PWA 793, GE C50TF56, MSRR 6083, PWA 725, CPW 378, DMD 119.20
Nitralloy N
x
0.24
0.60
0.30
1.15
3.50
0.25
-
-
1.25 Al
AMS 6475, 299-947-042, MIL-S-869, HMS 6-1133
Nitralloy 135M
x
x
0.40
0.60
0.30
1.60
-
0.35
-
-
1.20 Al
AMS 6471, 299-947-036, 299-947-083, GE B50TA314, M4002, MIL-S-6709
Premium Quality Stainless Steels
Melt Type
Nominal Chemistries
Product
AIR
VAR
ESR
VIM-
VAR
C
Mn
Si
Cr
Ni
Mo
Cu
Cb
Other
Industry Specifications
13-8 Mo
x
0.04
-
-
12.60
8.30
2.15
-
-
1.00 Al
AMS 5629, STM05-602, ST016LB0013, ASTM A564, ST0160LB0005, ST0160LB0160-178, 0-73687, BMS 7-349
15-5
x
x
0.04
0.65
0.35
14.75
4.75
-
3.50
0.30
-
AMS 5659, ASTM A564, MB0160-036
17-4
x
x
0.04
0.65
0.35
15.70
4.70
-
3.50
0.30
-
AMS 5622, AMS 5643, ASTM A564
410Cb
x
0.13
0.50
0.30
11.60
0.60
-
-
0.08
-
GE B5OA490, MS 511B
422
x
x
0.22
0.75
0.35
12.00
0.85
1.00
-
-
0.25 V / 1.10 W
PDS 10725AB, ASTM A565 - Grade 616, M-8663
Jethete M152
x
0.14
0.70
0.15
12.00
2.75
1.75
-
-
0.30 V
AMS 5719, GE B50A558
Multi-phase Alloys
Melt Type
Nominal Chemistries
Product
AIR
VAR
ESR
VIM-
VAR
Co
Ni
Cr
Mo
Fe
Ti
Cb
Al
Other
Industry Specifications
MP35N
x
35
35
20
10
-
-
-
-
AMS 5758, AMS 5844, AMS 5845, M-360, NACE MR0175 / ISO 15156-3, ASTM F562, SPS-M-646, Q.20.006 Well
MP159
x
35.7
25.5
19.0
7.0
9.0
3.0
0.6
0.2
AMS 5841, AMS 5842, AMS 5843, SPS-M-663
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