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SAE-AISI M36 Steel vs. SAE-AISI A2 Steel

Both SAE-AISI M36 steel and SAE-AISI A2 steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is SAE-AISI A2 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 78
74
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1600
1450
Melting Onset (Solidus), °C 1550
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 19
38
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 38
5.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.5
2.7
Embodied Energy, MJ/kg 140
38
Embodied Water, L/kg 140
73

Common Calculations

PREN (Pitting Resistance) 31
8.9
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 72
25 to 73
Strength to Weight: Bending, points 23 to 44
23 to 46
Thermal Diffusivity, mm2/s 5.1
10
Thermal Shock Resistance, points 25 to 68
25 to 71

Alloy Composition

Carbon (C), % 0.8 to 0.9
1.0 to 1.1
Chromium (Cr), % 3.8 to 4.5
4.8 to 5.5
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 70.1 to 75.5
89.4 to 93.3
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.6 to 5.5
0.9 to 1.4
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 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.5
0
Vanadium (V), % 1.8 to 2.3
0.15 to 0.5

Comparable Variants