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Annealed SAE-AISI M2 vs. Annealed SAE-AISI M62

Both annealed SAE-AISI M2 and annealed SAE-AISI M62 are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is annealed SAE-AISI M2 and the bottom bar is annealed SAE-AISI M62.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 760
830

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1610
1650
Melting Onset (Solidus), °C 1570
1600
Specific Heat Capacity, J/kg-K 440
430
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 8.8
10
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 98
110

Common Calculations

PREN (Pitting Resistance) 31
49
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 27
24

Alloy Composition

Carbon (C), % 0.78 to 1.1
1.3 to 1.4
Chromium (Cr), % 3.8 to 4.5
3.5 to 4.0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 78.5 to 83.4
73.6 to 77.4
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 4.5 to 5.5
10 to 11
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.8
5.8 to 6.5
Vanadium (V), % 1.8 to 2.2
1.8 to 2.1