Hastelloy And Monel Chemical Composition
| Alloy |
Ni |
Cr |
Fe |
Mo |
Mn (Max) |
Cu |
Co (Max) |
C (Max) |
P (Max) |
Si (Max) |
S (Max) |
Other |
| Monel 400 |
Balance |
- | 2.5 |
- |
2.0 |
31 |
- | 0.30 |
- | 0.5 |
0.02 |
- |
| Alloy C4 |
Balance |
18 |
3.0 |
17 | 1.0 |
- | 2.0 |
0.01 |
0.02 |
0.08 |
0.01 |
Ti 0.7 |
| Alloy C22 |
Balance |
22 |
3.0 |
13 | 0.5 |
- | 2.5 |
0.01 |
0.02 |
0.08 |
0.01 |
V 0.3, W 3 |
| Alloy C276 |
Balance |
17 | 7.0 |
17 | 1.0 |
- | 2.5 |
0.01 |
0.02 |
0.08 |
0.01 |
V 0.3, W 4.5 |
| Alloy B2 |
Balance |
1 |
2.0 |
28 | 1.0 |
- | 1.0 |
0.01 |
0.02 |
0.1 |
0.01 |
- |
Grades of Hastelloy And Monel Alloys
| Alloy |
UNS |
W.Nr. |
| MONEL |
| Monel 400 |
N04400 |
2.4360 and 2.4361 |
| Monel 401 |
N04401 |
- |
| Monel R405 |
N04405 |
- |
| Monel K500 |
N05500 |
2.4375 |
| Monel 502 |
N05502 |
- |
| HASTELLOY |
| Alloy C22 |
N06022 |
2.4602 |
| Alloy C276 |
N10276 |
2.4819 |
| Alloy B2 |
N10665 |
2.4617 |
| Alloy B3 |
N10675 |
2.4600 |
| Alloy C4 |
N06455 |
2.4610 |
| Alloy C-22HS |
N07022 |
- |
| Alloy C2000 |
N06200 |
2.4675 |
| Alloy Hybrid BC1 |
N10362 |
2.4708 |
| Alloy X |
N06002 |
2.4665 |
Monel Grades and Density
| Grades |
Density in g/cm3 |
Density in lb/in.3 |
| Monel 400 |
8.80 |
0.318 |
| Monel R405 |
8.80 |
0.318 |
| Monel K500 |
8.44 |
0.305 |
Temperature Limit and Melting Range of Monel Metal
| Grades |
Melting Range |
| Monel 400 |
1300-1350°C |
| Monel R405 |
1300-1350°C |
| Monel K500 |
1315-1350°C |
Hastelloy Vs Monel Alloy Compatibility with acids
| |
Hastelloy |
Monel |
| Acetaldehyde, Aq. |
A |
A |
| Acetamide |
A |
- |
| Acetate Solv., Crude |
A |
- |
| Acetate Solv., Pure |
A |
- |
| Acetic Anhydride |
A |
- |
| Acetone |
A |
- |
| Acetylene Tetrachl. |
A |
- |
| Acetylene |
A |
- |
| Acrylonitrile |
AB |
A |
| Adipic Acid, Aq. |
A |
AB |
| Alcohol |
A |
A |
| Ammonia, Liquid |
A |
A |
| Ammonium Bifluoride |
A |
B |
| Ammonium Hydroxide |
A |
X |
| Ammonium Persulfate |
B |
X |
| Silver Nitrate |
AB |
X |
| Sulfur Trioxide Dry |
- |
AB |
| Sulfur |
A |
- |
| Sulfurous Acid |
B |
X |
| Zinc Acetate |
- |
A |
- A = Excellent, no effect
- B = Good, minor effect
- C = Fair
- X = Not recommended
Mechanical Properties of Annealed Monel Rod
| Grades |
Tensile Strength (ksi) |
Tensile Strength (mpa) |
Yield Strength (ksi) |
Yield Strength (mpa) |
| Annealed Monel 400 Rod |
75-90 |
517-620 |
25-50 |
172-345 |
| Annealed Monel R405 Rod |
70 - 85 |
- |
25 - 40 |
- |
| Hot-Finished, Annealed Monel K500 Rod |
90-110 |
621-758 |
40-60 |
276-414 |
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