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EN 1.4150 Stainless Steel vs. Grade N7M Nickel

EN 1.4150 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4150 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, % 20
22
Fatigue Strength, MPa 270
190
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 730
590
Tensile Strength: Yield (Proof), MPa 430
310

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 840
900
Melting Completion (Liquidus), °C 1420
1650
Melting Onset (Solidus), °C 1380
1590
Specific Heat Capacity, J/kg-K 490
390
Thermal Expansion, µm/m-K 10
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
75
Density, g/cm3 7.6
9.3
Embodied Carbon, kg CO2/kg material 2.8
16
Embodied Energy, MJ/kg 42
200
Embodied Water, L/kg 120
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 470
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 27
19

Alloy Composition

Carbon (C), % 0.45 to 0.6
0 to 0.070
Chromium (Cr), % 15 to 16.5
0 to 1.0
Iron (Fe), % 79 to 82.8
0 to 3.0
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
30 to 33
Nickel (Ni), % 0 to 0.4
60.9 to 70
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.3 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0.2 to 0.4
0