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EN 1.4477 Stainless Steel vs. Grade N7M Nickel

EN 1.4477 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 (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 22 to 23
22
Fatigue Strength, MPa 420 to 490
190
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 81
85
Tensile Strength: Ultimate (UTS), MPa 880 to 930
590
Tensile Strength: Yield (Proof), MPa 620 to 730
310

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
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 20
75
Density, g/cm3 7.7
9.3
Embodied Carbon, kg CO2/kg material 3.7
16
Embodied Energy, MJ/kg 52
200
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 31 to 33
18
Strength to Weight: Bending, points 26 to 27
17
Thermal Shock Resistance, points 23 to 25
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 28 to 30
0 to 1.0
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
0 to 3.0
Manganese (Mn), % 0.8 to 1.5
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.6
30 to 33
Nickel (Ni), % 5.8 to 7.5
60.9 to 70
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030