Hastelloy Vs Monel

Hastelloy Vs Monel

Difference Between Hastelloy And Monel Temperature Limit and Composition

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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