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SAE-AISI M62 Steel vs. S64512 Stainless Steel

Both SAE-AISI M62 steel and S64512 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
1140

Thermal Properties

Latent Heat of Fusion, J/g 260
270
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
10

Otherwise Unclassified Properties

Base Metal Price, % relative 30
10
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 110
110

Common Calculations

PREN (Pitting Resistance) 49
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 80
40
Strength to Weight: Bending, points 23 to 47
31
Thermal Shock Resistance, points 24 to 71
42

Alloy Composition

Carbon (C), % 1.3 to 1.4
0.080 to 0.15
Chromium (Cr), % 3.5 to 4.0
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
80.6 to 84.7
Manganese (Mn), % 0.15 to 0.4
0.5 to 0.9
Molybdenum (Mo), % 10 to 11
1.5 to 2.0
Nickel (Ni), % 0 to 0.3
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0.25 to 0.4