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ASTM A372 Grade J Steel vs. Grade CW6MC Nickel

ASTM A372 grade J steel belongs to the iron alloys classification, while grade CW6MC nickel belongs to the nickel alloys. There are 29 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 J 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, % 17 to 22
28
Fatigue Strength, MPa 310 to 570
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 650 to 1020
540
Tensile Strength: Yield (Proof), MPa 430 to 850
310

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 420
980
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 44
11
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
80
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.5
14
Embodied Energy, MJ/kg 20
200
Embodied Water, L/kg 51
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
130
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 1930
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 36
18
Strength to Weight: Bending, points 21 to 29
17
Thermal Diffusivity, mm2/s 12
2.8
Thermal Shock Resistance, points 19 to 30
15

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.060
Chromium (Cr), % 0.8 to 1.2
20 to 23
Iron (Fe), % 96.7 to 97.8
0 to 5.0
Manganese (Mn), % 0.75 to 1.1
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
8.0 to 10
Nickel (Ni), % 0
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030