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SAE-AISI M62 Steel vs. S39277 Stainless Steel

Both SAE-AISI M62 steel and S39277 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
930

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1650
1460
Melting Onset (Solidus), °C 1600
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 10
4.2
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 49
43
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 80
33
Strength to Weight: Bending, points 23 to 47
27
Thermal Shock Resistance, points 24 to 71
26

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.025
Chromium (Cr), % 3.5 to 4.0
24 to 26
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 73.6 to 77.4
56.8 to 64.3
Manganese (Mn), % 0.15 to 0.4
0 to 0.8
Molybdenum (Mo), % 10 to 11
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0020
Tungsten (W), % 5.8 to 6.5
0.8 to 1.2
Vanadium (V), % 1.8 to 2.1
0