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EN 1.1221 Steel vs. EN 2.4951 Nickel

EN 1.1221 steel belongs to the iron alloys classification, while EN 2.4951 nickel belongs to the nickel alloys.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is EN 2.4951 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 21
34
Fatigue Strength, MPa 240 to 340
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
76
Shear Strength, MPa 450 to 520
500
Tensile Strength: Ultimate (UTS), MPa 730 to 870
750
Tensile Strength: Yield (Proof), MPa 390 to 550
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1150
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.5
9.3
Embodied Energy, MJ/kg 19
130
Embodied Water, L/kg 47
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
200
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26 to 31
25
Strength to Weight: Bending, points 23 to 26
22
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 23 to 28
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.57 to 0.65
0.080 to 0.15
Chromium (Cr), % 0 to 0.4
18 to 21
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.1 to 98.8
0 to 5.0
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
65.4 to 81.7
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.6