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SAE-AISI M41 Steel vs. EN 1.4028 Stainless Steel

Both SAE-AISI M41 steel and EN 1.4028 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is EN 1.4028 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 77
76
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
660 to 930

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1600
1440
Melting Onset (Solidus), °C 1550
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
30
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
7.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.1
1.9
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 28
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
24 to 33
Strength to Weight: Bending, points 23 to 46
22 to 27
Thermal Diffusivity, mm2/s 6.0
8.1
Thermal Shock Resistance, points 25 to 71
23 to 32

Alloy Composition

Carbon (C), % 1.1 to 1.2
0.26 to 0.35
Chromium (Cr), % 3.8 to 4.5
12 to 14
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
83.1 to 87.7
Manganese (Mn), % 0.2 to 0.6
0 to 1.5
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0

Comparable Variants