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SAE-AISI M33 Steel vs. EN 1.4150 Stainless Steel

Both SAE-AISI M33 steel and EN 1.4150 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 (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M33 steel and the bottom bar is EN 1.4150 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
76
Tensile Strength: Ultimate (UTS), MPa 810 to 2210
730

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1550
1420
Melting Onset (Solidus), °C 1500
1380
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 20
23
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 32
8.5
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 110
42
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 38
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 75
27
Strength to Weight: Bending, points 24 to 46
24
Thermal Diffusivity, mm2/s 5.5
6.2
Thermal Shock Resistance, points 25 to 68
27

Alloy Composition

Carbon (C), % 0.85 to 0.92
0.45 to 0.6
Chromium (Cr), % 3.5 to 4.0
15 to 16.5
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.4 to 76.3
79 to 82.8
Manganese (Mn), % 0.15 to 0.4
0 to 0.8
Molybdenum (Mo), % 9.0 to 10
0.2 to 0.4
Nickel (Ni), % 0 to 0.3
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.5
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 1.3 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0.2 to 0.4