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SAE-AISI M36 Steel vs. S17400 Stainless Steel

Both SAE-AISI M36 steel and S17400 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
910 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1600
1440
Melting Onset (Solidus), °C 1550
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 19
17
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 38
14
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.5
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 31
16
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 72
32 to 49
Strength to Weight: Bending, points 23 to 44
27 to 35
Thermal Diffusivity, mm2/s 5.1
4.5
Thermal Shock Resistance, points 25 to 68
30 to 46

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.070
Chromium (Cr), % 3.8 to 4.5
15 to 17
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
3.0 to 5.0
Iron (Fe), % 70.1 to 75.5
70.4 to 78.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.6 to 5.5
0
Nickel (Ni), % 0 to 0.3
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
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