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SAE-AISI D4 Steel vs. Grade CW6MC Nickel

SAE-AISI D4 steel belongs to the iron alloys classification, while grade CW6MC nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D4 steel and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.4 to 15
28
Fatigue Strength, MPa 310 to 920
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
540
Tensile Strength: Yield (Proof), MPa 470 to 1540
310

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 31
11
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
80
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 3.3
14
Embodied Energy, MJ/kg 49
200
Embodied Water, L/kg 100
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27 to 75
18
Strength to Weight: Bending, points 24 to 47
17
Thermal Diffusivity, mm2/s 8.3
2.8
Thermal Shock Resistance, points 23 to 63
15

Alloy Composition

Carbon (C), % 2.1 to 2.4
0 to 0.060
Chromium (Cr), % 11 to 13
20 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.6 to 86.3
0 to 5.0
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
8.0 to 10
Nickel (Ni), % 0 to 0.3
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 1.0
0