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SAE-AISI M36 Steel vs. SAE-AISI M41 Steel

Both SAE-AISI M36 steel and SAE-AISI M41 steel are iron alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is SAE-AISI M41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
800 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1600
1600
Melting Onset (Solidus), °C 1550
1550
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 19
22
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 38
33
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 9.5
9.1
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 31
28
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 27 to 72
26 to 76
Strength to Weight: Bending, points 23 to 44
23 to 46
Thermal Diffusivity, mm2/s 5.1
6.0
Thermal Shock Resistance, points 25 to 68
25 to 71

Alloy Composition

Carbon (C), % 0.8 to 0.9
1.1 to 1.2
Chromium (Cr), % 3.8 to 4.5
3.8 to 4.5
Cobalt (Co), % 7.8 to 8.8
4.8 to 5.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 70.1 to 75.5
73.4 to 78.9
Manganese (Mn), % 0.15 to 0.4
0.2 to 0.6
Molybdenum (Mo), % 4.6 to 5.5
3.3 to 4.3
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 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.5
6.3 to 7.0
Vanadium (V), % 1.8 to 2.3
1.8 to 2.3

Comparable Variants