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S40977 Stainless Steel vs. EN 2.4951 Nickel

S40977 stainless steel belongs to the iron alloys classification, while EN 2.4951 nickel belongs to the nickel alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is EN 2.4951 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
34
Fatigue Strength, MPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Shear Strength, MPa 320
500
Tensile Strength: Ultimate (UTS), MPa 510
750
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 720
1150
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.9
9.3
Embodied Energy, MJ/kg 27
130
Embodied Water, L/kg 97
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
200
Resilience: Unit (Modulus of Resilience), kJ/m3 250
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 6.7
3.1
Thermal Shock Resistance, points 18
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.030
0.080 to 0.15
Chromium (Cr), % 10.5 to 12.5
18 to 21
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 83.9 to 89.2
0 to 5.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 0.3 to 1.0
65.4 to 81.7
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.6