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ACI-ASTM CA6N Steel vs. SAE-AISI M62 Steel

Both ACI-ASTM CA6N steel and SAE-AISI M62 steel are iron alloys. They have 80% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6N steel and the bottom bar is SAE-AISI M62 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 1080
830 to 2440

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1440
1650
Melting Onset (Solidus), °C 1400
1600
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.5
10
Embodied Energy, MJ/kg 35
150
Embodied Water, L/kg 110
110

Common Calculations

PREN (Pitting Resistance) 12
49
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 38
27 to 80
Strength to Weight: Bending, points 30
23 to 47
Thermal Shock Resistance, points 40
24 to 71

Alloy Composition

Carbon (C), % 0 to 0.060
1.3 to 1.4
Chromium (Cr), % 10.5 to 12.5
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 77.9 to 83.5
73.6 to 77.4
Manganese (Mn), % 0 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 0
10 to 11
Nickel (Ni), % 6.0 to 8.0
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0
5.8 to 6.5
Vanadium (V), % 0
1.8 to 2.1