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SAE-AISI M41 Steel vs. AISI 403 Stainless Steel

Both SAE-AISI M41 steel and AISI 403 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 (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is AISI 403 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
530 to 780

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1600
1450
Melting Onset (Solidus), °C 1550
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
28
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
6.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.1
1.9
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 120
99

Common Calculations

PREN (Pitting Resistance) 28
12
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
19 to 28
Strength to Weight: Bending, points 23 to 46
19 to 24
Thermal Diffusivity, mm2/s 6.0
7.6
Thermal Shock Resistance, points 25 to 71
20 to 29

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
11.5 to 13
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
84.7 to 88.5
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
0 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0

Comparable Variants