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SAE-AISI M36 Steel vs. EN 1.4438 Stainless Steel

Both SAE-AISI M36 steel and EN 1.4438 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is EN 1.4438 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
79
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
620

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1600
1450
Melting Onset (Solidus), °C 1550
1400
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 19
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 38
22
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.5
4.4
Embodied Energy, MJ/kg 140
60
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 31
31
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
20
Thermal Diffusivity, mm2/s 5.1
3.7
Thermal Shock Resistance, points 25 to 68
14

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
17.5 to 19.5
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.1 to 75.5
57.3 to 66.5
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.6 to 5.5
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
13 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
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