🛠️ Monel 400 Mechanical Properties
Monel 400 (UNS N04400) is a nickel-copper alloy with excellent mechanical properties, particularly in high-stress, high-corrosion environments. Below is an overview of its key mechanical properties:
📊 Mechanical Properties of Monel 400
| Property | Value |
|---|---|
| Tensile Strength | 70,000 – 85,000 psi (485 – 585 MPa) |
| Yield Strength (0.2%) | 30,000 – 40,000 psi (205 – 275 MPa) |
| Elongation in 2 inches | 35 – 50% |
| Hardness (Brinell) | 65 – 150 HB (soft annealed condition) |
| Hardness (Rockwell B) | ~50 – 80 HRB |
| Modulus of Elasticity | 17.0 x 10³ ksi (117 GPa) |
| Poisson's Ratio | 0.31 |
| Impact Strength | High (resistant to shock and impact loading) |
| Fatigue Strength | High resistance to cyclic loading |
| Shear Strength | ~ 60,000 psi (415 MPa) |
✅ Key Notes
Excellent corrosion resistance in seawater, acids, and alkalis.
High strength even at elevated temperatures.
Good ductility and formability in annealed condition.
Non-magnetic and resistant to stress corrosion cracking, making it suitable for marine and chemical applications.
