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SAE-AISI M36 Steel vs. S20910 Stainless Steel

Both SAE-AISI M36 steel and S20910 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is S20910 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
79
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1600
1420
Melting Onset (Solidus), °C 1550
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 19
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 38
22
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.5
4.8
Embodied Energy, MJ/kg 140
68
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 31
34
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 72
28 to 33
Strength to Weight: Bending, points 23 to 44
24 to 27
Thermal Diffusivity, mm2/s 5.1
3.6
Thermal Shock Resistance, points 25 to 68
17 to 21

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.060
Chromium (Cr), % 3.8 to 4.5
20.5 to 23.5
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.1 to 75.5
52.1 to 62.1
Manganese (Mn), % 0.15 to 0.4
4.0 to 6.0
Molybdenum (Mo), % 4.6 to 5.5
1.5 to 3.0
Nickel (Ni), % 0 to 0.3
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 0.75
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
0.1 to 0.3

Comparable Variants