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SAE-AISI M36 Steel vs. S41425 Stainless Steel

Both SAE-AISI M36 steel and S41425 stainless 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 (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is S41425 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 78
77
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
920

Thermal Properties

Latent Heat of Fusion, J/g 260
280
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
16
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 38
13
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.5
2.9
Embodied Energy, MJ/kg 140
40
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 31
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 72
33
Strength to Weight: Bending, points 23 to 44
27
Thermal Diffusivity, mm2/s 5.1
4.4
Thermal Shock Resistance, points 25 to 68
33

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
12 to 15
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 70.1 to 75.5
74 to 81.9
Manganese (Mn), % 0.15 to 0.4
0.5 to 1.0
Molybdenum (Mo), % 4.6 to 5.5
1.5 to 2.0
Nickel (Ni), % 0 to 0.3
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Tungsten (W), % 5.5 to 6.5
0
Vanadium (V), % 1.8 to 2.3
0