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SAE-AISI M43 Steel vs. S35500 Stainless Steel

Both SAE-AISI M43 steel and S35500 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 22 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 M43 steel and the bottom bar is S35500 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 77
78
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
1330 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 19
16
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
16
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 8.5
3.5
Embodied Energy, MJ/kg 120
47
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 35
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 77
47 to 53
Strength to Weight: Bending, points 24 to 47
34 to 37
Thermal Diffusivity, mm2/s 5.3
4.4
Thermal Shock Resistance, points 25 to 71
44 to 49

Alloy Composition

Carbon (C), % 1.2 to 1.3
0.1 to 0.15
Chromium (Cr), % 3.5 to 4.3
15 to 16
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 76
73.2 to 77.7
Manganese (Mn), % 0.2 to 0.4
0.5 to 1.3
Molybdenum (Mo), % 7.5 to 8.5
2.5 to 3.2
Nickel (Ni), % 0 to 0.3
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.65
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0