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EN 1.4057 Stainless Steel vs. EN 2.4951 Nickel

EN 1.4057 stainless steel belongs to the iron alloys classification, while EN 2.4951 nickel belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4057 stainless steel and the bottom bar is EN 2.4951 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 320 to 430
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
76
Shear Strength, MPa 520 to 580
500
Tensile Strength: Ultimate (UTS), MPa 840 to 980
750
Tensile Strength: Yield (Proof), MPa 530 to 790
270

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 850
1150
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1390
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 2.5
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
60
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.2
9.3
Embodied Energy, MJ/kg 32
130
Embodied Water, L/kg 120
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 130
200
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1610
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 30 to 35
25
Strength to Weight: Bending, points 26 to 28
22
Thermal Diffusivity, mm2/s 6.7
3.1
Thermal Shock Resistance, points 30 to 35
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.12 to 0.22
0.080 to 0.15
Chromium (Cr), % 15 to 17
18 to 21
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 77.7 to 83.4
0 to 5.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 1.5 to 2.5
65.4 to 81.7
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