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ACI-ASTM CA6NM Steel vs. EN 2.4851 Nickel

ACI-ASTM CA6NM steel belongs to the iron alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 ACI-ASTM CA6NM steel and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 380
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 850
650
Tensile Strength: Yield (Proof), MPa 620
230

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 770
1200
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
49
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.5
8.1
Embodied Energy, MJ/kg 34
120
Embodied Water, L/kg 110
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 6.7
2.9
Thermal Shock Resistance, points 31
17

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.060
0.030 to 0.1
Chromium (Cr), % 11.5 to 14
21 to 25
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 78.4 to 84.6
7.7 to 18
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 3.5 to 4.5
58 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.5