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EN 1.7725 Steel vs. EN 2.4851 Nickel

EN 1.7725 steel belongs to the iron alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. There are 30 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 EN 1.7725 steel and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250 to 300
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14
34
Fatigue Strength, MPa 390 to 550
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 830 to 1000
650
Tensile Strength: Yield (Proof), MPa 610 to 860
230

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 440
1200
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
11
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
49
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.8
8.1
Embodied Energy, MJ/kg 24
120
Embodied Water, L/kg 54
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 980 to 1940
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 29 to 35
22
Strength to Weight: Bending, points 25 to 28
20
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 24 to 29
17

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.27 to 0.34
0.030 to 0.1
Chromium (Cr), % 1.3 to 1.7
21 to 25
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 95.7 to 97.5
7.7 to 18
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 0
58 to 63
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.5
Vanadium (V), % 0.050 to 0.15
0