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S64512 Stainless Steel vs. Grade N7M Nickel

S64512 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 (10, in this case) are not shown.

For each property being compared, the top bar is S64512 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, % 17
22
Fatigue Strength, MPa 540
190
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 1140
590
Tensile Strength: Yield (Proof), MPa 890
310

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 750
900
Melting Completion (Liquidus), °C 1460
1650
Melting Onset (Solidus), °C 1420
1590
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 10
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 3.3
16
Embodied Energy, MJ/kg 47
200
Embodied Water, L/kg 110
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 40
18
Strength to Weight: Bending, points 31
17
Thermal Shock Resistance, points 42
19

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.070
Chromium (Cr), % 11 to 12.5
0 to 1.0
Iron (Fe), % 80.6 to 84.7
0 to 3.0
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
30 to 33
Nickel (Ni), % 2.0 to 3.0
60.9 to 70
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0