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SAE-AISI M36 Steel vs. AISI 440B Stainless Steel

Both SAE-AISI M36 steel and AISI 440B stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is AISI 440B 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
740 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1600
1480
Melting Onset (Solidus), °C 1550
1370
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 19
23
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 38
9.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.5
2.2
Embodied Energy, MJ/kg 140
31
Embodied Water, L/kg 140
120

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
27 to 70
Strength to Weight: Bending, points 23 to 44
24 to 45
Thermal Diffusivity, mm2/s 5.1
6.1
Thermal Shock Resistance, points 25 to 68
27 to 70

Alloy Composition

Carbon (C), % 0.8 to 0.9
0.75 to 1.0
Chromium (Cr), % 3.8 to 4.5
16 to 18
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.1 to 75.5
78.2 to 83.3
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.6 to 5.5
0 to 0.75
Nickel (Ni), % 0 to 0.3
0
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 0.015
Tungsten (W), % 5.5 to 6.5
0
Vanadium (V), % 1.8 to 2.3
0

Comparable Variants