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SAE-AISI 1074 Steel vs. S41041 Stainless Steel

Both SAE-AISI 1074 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 1074 steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
17
Fatigue Strength, MPa 290 to 350
350
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34 to 45
56
Shear Modulus, GPa 72
76
Shear Strength, MPa 440 to 490
560
Tensile Strength: Ultimate (UTS), MPa 740 to 820
910
Tensile Strength: Yield (Proof), MPa 450 to 570
580

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
740
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
29
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
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 46
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
140
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 860
860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 29
32
Strength to Weight: Bending, points 23 to 25
27
Thermal Diffusivity, mm2/s 14
7.8
Thermal Shock Resistance, points 24 to 26
33

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.7 to 0.8
0.13 to 0.18
Chromium (Cr), % 0
11.5 to 13
Iron (Fe), % 98.3 to 98.8
84.5 to 87.8
Manganese (Mn), % 0.5 to 0.8
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