Alloy Nominal Compositions

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Alloy Nominal Compositions

Corrosion-resistant alloys:

Nickel-Base:

Alloy
Nia
 Co Fe Cr Mo W Mn Si Cb V Al Ti C Cu Others
B-2 69 1* 2* 1* 28 0.5* 1* 0.1* – – – – 0.01* 0.5* –
B-3®
65b
 3* 1.5 1.5 28.5 3* 3* 0.1* 0.2* 0.2* 0.5* 0.2* 0.01* 0.2* Ta-0.2*, Zr-0.01*
C-4 65 2* 3* 16 16 – 1 0.08* – – – 0.7* 0.01* 0.5* –
C-22® 56 2.5* 3 22 13 3 0.5* 0.08* – 0.35* – – 0.01* 0.5* –
C-22HS® 61 1* 2* 21 17 1* 0.8*  0.08* – – 0.5* – 0.01* 0.5* –
C-86 58 – 5* 21 16 4 1* 0.08* – – 0.5* 0.25* 0.01* 0.5* –
C-276 57 2.5* 5 16 16 4 1* 0.08* – 0.35* – – 0.01* 0.5* –
C-2000® 59 2* 3* 23 16 – 0.5* 0.08* – – 0.5* – 0.01* 1.6 –
G-30® 43 5* 15 30 5.5 2.5 1.5* 0.8* 0.8 – – – 0.03* 2 –
G-35® 58 1* 2* 33.2 8.1 0.6* 0.5* 0.6* – – 0.4* – 0.05* 0.3* –
G-50®
50b
 2.5* 17 20 9 1* 1* 1* 0.5* – 0.4* – 0.02* 0.5* –
HYBRID-BC1® 62 1* 2* 15 22 – 0.25 0.08* – – 0.5* – 0.01* – –
N 71 0.2* 4* 7 16 0.5* 0.8* 1* – 0.5* – – 0.06 0.35* (Al+Ti)-0.5*

aAs balance         bMinimum           cCb+Ta      *Maximum

Cobalt-Base:

Alloy
Coa
 Ni Fe Cr Mo W Mn Si N C
ULTIMET® 54 9 3 26 5 2 0.8 0.3 0.08 0.06

aAs balance         bMinimum           cCb+Ta      *Maximum

High-temperature Alloys:

Nickel-Base:

Alloy
Nia
 Co Fe Cr Mo W Mn Si Cb Al Ti C B Zr Cu Others
75 76 – 5* 20 – – 1* 1* – 0.4* 0.4 0.11 – – 0.5* –
214® 75 2* 3 16 0.5* 0.5* 0.5* 0.2* 0.15* 4.5 0.5* 0.04 0.01* 0.1* – Y-0.01
230® 57 5* 3* 22 2 14 0.5 0.4 0.5* 0.3 0.1* 0.1 0.015* – 0.5* La-0.02
233® 48 19 1.5* 19 7.5 0.3* 0.4* 0.20* – 3.3 0.5 0.1 0.004 0.03 – Ta-0.5,Y-0.025*
242® 65 1* 2* 8 25 – 0.8* 0.8* – 0.5* – 0.03* 0.006* – 0.5* –
244® 61 1* 2* 8 22.5 6 0.8* 0.1* – 0.5* – 0.03* 0.006* – – –
263 52 20 0.7* 20 6 – 0.4 0.2 – 0.6* 2.4* 0.06 0.005* 0.04* 0.2* (Al+Ti)-2.6
282® 57 10 1.5* 20 8.5 – 0.3* 0.15* – 1.5 2.1 0.06 0.005* – – –
617 54 12.5 1 22 9 – 0.2* 0.2* – 1.2 0.3 0.07 0.006* – – –
625 62 1* 5* 21 9 – 0.5* 0.5*
3.7c
 0.4* 0.4* 0.1* – – 0.5* –
625SQ® 62 1* 5* 21 9 – 0.5* 0.15*
3.7c
 0.4* 0.4* 0.03* – – 0.5* N-0.02*
718 52 1* 19 18 3 – 0.35* 0.35* 5c 0.5 0.9 0.05 – 0.004 0.1* –
B 67 2.5* 5 1* 28 – 1* 1* – – – 0.05* – – 0.15* V-0.3
HR-160® 37 29 2* 28 1* 1* 0.5 2.75 1* 0.4* 0.5 0.05 – – 0.5* –
HR-224® 47 2* 27.5 20 0.5* 0.5* 0.5* 0.3 0.15* 3.8 0.3 0.05 0.004* 0.025* – –
HR-235® 57 – 1.5* 31 5.6 – 0.65* 0.6* 1* 0.4* 0.5* 0.06* – – 3.8 –
R-41 52 11 5* 19 10 – 0.1* 0.5* – 1.5 3.1 0.09 0.006 0.07* – –
S 67 2* 3* 16 15 1* 0.5 0.4 – 0.25 – 0.02* 0.015* – 0.35* La-0.02
W 63 2.5* 6 5 24 1* 1* 1* – – – 0.12* – – 0.5* V-0.6*
Waspaloy 58 13.5 2* 19 4.3 – 0.1* 0.15* – 1.5 3 0.08 0.006* 0.05 0.1* –
X 47 1.5 18 22 9 0.6 1* 1* 0.5* 0.5* 0.15* 0.1 0.008* – 0.5* –
X-750
70b
 1* 8 16 – – 0.35* 0.35* 1c 0.8 2.5 0.08* – – 0.5* –

aAs balance         bMinimum           cCb+Ta      *Maximum

Cobalt-Base:

Alloy
Coa
 Ni Fe Cr Mo W Mn Si Cb Al Ti C B Zr Cu Others
6B 58 2.5 3* 30 1.5* 4 1.4 0.7 – – – 1 – – – –
25 51 10 3 20 1* 15 1.5 0.4* – – – 0.10 – – – –
188 39 22 3* 22 – 14 1.25* 0.35 – – – 0.10 0.015* – – La-0.03
NS-163® 40 8 21 28 – – 0.5* 0.5* 1 0.5* 1.3 0.10 0.015* – 0.2* –

aAs balance         bMinimum           cCb+Ta      *Maximum

Iron-Base:

Alloy
Fea
 Ni Co Cr Mo W Mn Si Cb Ta Al C N B Cu Others
556® 31 20 18 22 3 2.5 1 0.4 0.3* 0.6 0.2 0.1 0.2 0.02* – Zr-0.02, La-0.02
HR-120® 33 37 3* 25 1* 0.5* 0.7 0.6 0.7 – 0.1 0.05 0.2 0.004 0.5* Ti-0.2*
MULTIMET® 30 20 20 21 3 2.5 1.5 1* 1c – – 0.12 0.15 – 0.5* –

aAs balance         bMinimum           cCb+Ta      *Maximum

Titanium Alloys:

Alloy
Tia
 Al V Fe Sn Cr C N O H
Ti-3Al-2.5V 94 3 2.5 0.25* – – 0.05* 0.02* 0.12* **

aAs balance         bMinimum           cCb+Ta      *Maximum       **Varies with specifications

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