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SAE-AISI M62 Steel vs. SAE-AISI 94B30 Steel

Both SAE-AISI M62 steel and SAE-AISI 94B30 steel are iron alloys. They have 77% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is SAE-AISI 94B30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
500

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1650
1460
Melting Onset (Solidus), °C 1600
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.4
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 110
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 27 to 80
18
Strength to Weight: Bending, points 23 to 47
18
Thermal Shock Resistance, points 24 to 71
15

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 1.3 to 1.4
0.28 to 0.33
Chromium (Cr), % 3.5 to 4.0
0.3 to 0.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
97 to 98.1
Manganese (Mn), % 0.15 to 0.4
0.75 to 1.0
Molybdenum (Mo), % 10 to 11
0.080 to 0.15
Nickel (Ni), % 0 to 0.3
0.3 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.15 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0