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SAE-AISI A4 Steel vs. Grade CW2M Nickel

SAE-AISI A4 steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A4 steel and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
83
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
560

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1450
1520
Melting Onset (Solidus), °C 1410
1460
Specific Heat Capacity, J/kg-K 470
430
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
70
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.8
12
Embodied Energy, MJ/kg 24
170
Embodied Water, L/kg 59
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 25 to 73
18
Strength to Weight: Bending, points 23 to 46
17
Thermal Shock Resistance, points 23 to 67
16

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.020
Chromium (Cr), % 0.9 to 2.2
15 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92 to 95.5
0 to 2.0
Manganese (Mn), % 1.8 to 2.2
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
15 to 17.5
Nickel (Ni), % 0 to 0.3
60.1 to 70
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 1.0