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SAE-AISI M36 Steel vs. S38815 Stainless Steel

Both SAE-AISI M36 steel and S38815 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is S38815 stainless 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
610

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Melting Completion (Liquidus), °C 1600
1360
Melting Onset (Solidus), °C 1550
1310
Specific Heat Capacity, J/kg-K 440
500
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 38
19
Density, g/cm3 8.4
7.5
Embodied Carbon, kg CO2/kg material 9.5
3.8
Embodied Energy, MJ/kg 140
54
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 31
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 72
22
Strength to Weight: Bending, points 23 to 44
21
Thermal Shock Resistance, points 25 to 68
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.8 to 0.9
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
13 to 15
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0.75 to 1.5
Iron (Fe), % 70.1 to 75.5
56.1 to 67
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.6 to 5.5
0.75 to 1.5
Nickel (Ni), % 0 to 0.3
13 to 17
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 5.5 to 6.5
0
Vanadium (V), % 1.8 to 2.3
0