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S41003 Stainless Steel vs. Grade N7M Nickel

S41003 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 S41003 stainless steel and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 21
22
Fatigue Strength, MPa 200
190
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 520
590
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 720
900
Melting Completion (Liquidus), °C 1440
1650
Melting Onset (Solidus), °C 1400
1590
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 10
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
75
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 1.9
16
Embodied Energy, MJ/kg 27
200
Embodied Water, L/kg 97
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 18
17
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 10.5 to 12.5
0 to 1.0
Iron (Fe), % 83.4 to 89.5
0 to 3.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
30 to 33
Nickel (Ni), % 0 to 1.5
60.9 to 70
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030