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ASTM A372 Grade K Steel vs. EN 2.4642 Nickel

ASTM A372 grade K steel belongs to the iron alloys classification, while EN 2.4642 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade K steel and the bottom bar is EN 2.4642 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
34
Fatigue Strength, MPa 440
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 490
450
Tensile Strength: Ultimate (UTS), MPa 780
670
Tensile Strength: Yield (Proof), MPa 620
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 440
1010
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
50
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.8
8.2
Embodied Energy, MJ/kg 24
120
Embodied Water, L/kg 57
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 23
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.18
0 to 0.050
Chromium (Cr), % 1.0 to 1.8
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 93.4 to 96.6
7.0 to 11
Manganese (Mn), % 0.1 to 0.4
0 to 0.5
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 2.0 to 3.3
55.9 to 66
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015