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SAE-AISI 4621 Steel vs. EN 2.4816 Nickel

SAE-AISI 4621 steel belongs to the iron alloys classification, while EN 2.4816 nickel belongs to the nickel alloys.

For each property being compared, the top bar is SAE-AISI 4621 steel and the bottom bar is EN 2.4816 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
34
Fatigue Strength, MPa 270
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 320
470
Tensile Strength: Ultimate (UTS), MPa 500
700
Tensile Strength: Yield (Proof), MPa 360
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1150
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
55
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.6
9.0
Embodied Energy, MJ/kg 22
130
Embodied Water, L/kg 50
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 340
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 12
3.8
Thermal Shock Resistance, points 15
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.18 to 0.23
0.050 to 0.1
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 96.1 to 97.1
6.0 to 10
Manganese (Mn), % 0.7 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
72 to 80
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0 to 0.3