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SAE-AISI 1095 Steel vs. S41041 Stainless Steel

Both SAE-AISI 1095 steel and S41041 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1095 steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 11
17
Fatigue Strength, MPa 310 to 370
350
Poisson's Ratio 0.29
0.28
Reduction in Area, % 28 to 45
56
Shear Modulus, GPa 72
76
Shear Strength, MPa 400 to 540
560
Tensile Strength: Ultimate (UTS), MPa 680 to 900
910
Tensile Strength: Yield (Proof), MPa 500 to 590
580

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 400
740
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 47
29
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
31
Embodied Water, L/kg 45
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 84
140
Resilience: Unit (Modulus of Resilience), kJ/m3 660 to 930
860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 32
32
Strength to Weight: Bending, points 22 to 26
27
Thermal Diffusivity, mm2/s 13
7.8
Thermal Shock Resistance, points 22 to 29
33

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.9 to 1.0
0.13 to 0.18
Chromium (Cr), % 0
11.5 to 13
Iron (Fe), % 98.4 to 98.8
84.5 to 87.8
Manganese (Mn), % 0.3 to 0.5
0.4 to 0.6
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.030