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EN 1.4662 Stainless Steel vs. Grade N7M Nickel

EN 1.4662 stainless steel belongs to the iron alloys classification, while grade N7M nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4662 stainless steel and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 28
22
Fatigue Strength, MPa 430 to 450
190
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
85
Tensile Strength: Ultimate (UTS), MPa 810 to 830
590
Tensile Strength: Yield (Proof), MPa 580 to 620
310

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 1090
900
Melting Completion (Liquidus), °C 1430
1650
Melting Onset (Solidus), °C 1380
1590
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 13
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
75
Density, g/cm3 7.7
9.3
Embodied Carbon, kg CO2/kg material 3.2
16
Embodied Energy, MJ/kg 45
200
Embodied Water, L/kg 170
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 29 to 30
18
Strength to Weight: Bending, points 25
17
Thermal Shock Resistance, points 22
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 23 to 25
0 to 1.0
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 62.6 to 70.2
0 to 3.0
Manganese (Mn), % 2.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
30 to 33
Nickel (Ni), % 3.0 to 4.5
60.9 to 70
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030