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SAE-AISI M44 Steel vs. EN 1.4935 Stainless Steel

Both SAE-AISI M44 steel and EN 1.4935 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M44 steel and the bottom bar is EN 1.4935 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
76
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
780 to 880

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1590
1460
Melting Onset (Solidus), °C 1540
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 14
24
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 43
9.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.9
2.9
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 170
100

Common Calculations

PREN (Pitting Resistance) 35
16
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28 to 75
28 to 31
Strength to Weight: Bending, points 24 to 46
24 to 26
Thermal Diffusivity, mm2/s 3.7
6.5
Thermal Shock Resistance, points 27 to 70
27 to 30

Alloy Composition

Carbon (C), % 1.1 to 1.2
0.17 to 0.24
Chromium (Cr), % 4.0 to 4.8
11 to 12.5
Cobalt (Co), % 11 to 12.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 65.3 to 70.6
83 to 86.7
Manganese (Mn), % 0.2 to 0.4
0.3 to 0.8
Molybdenum (Mo), % 6.0 to 7.0
0.8 to 1.2
Nickel (Ni), % 0 to 0.3
0.3 to 0.8
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.3 to 0.55
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 5.0 to 5.8
0.4 to 0.6
Vanadium (V), % 1.9 to 2.2
0.2 to 0.35

Comparable Variants