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SAE-AISI 1010 Steel vs. EN 1.4031 Stainless Steel

Both SAE-AISI 1010 steel and EN 1.4031 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1010 steel and the bottom bar is EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22 to 31
11 to 13
Fatigue Strength, MPa 150 to 230
220 to 400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 230 to 250
400 to 540
Tensile Strength: Ultimate (UTS), MPa 350 to 400
670 to 900
Tensile Strength: Yield (Proof), MPa 190 to 330
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
770
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 47
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 14
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
27
Embodied Water, L/kg 45
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 93
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 290
380 to 1360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12 to 14
24 to 32
Strength to Weight: Bending, points 14 to 15
22 to 27
Thermal Diffusivity, mm2/s 13
8.1
Thermal Shock Resistance, points 11 to 13
23 to 32

Alloy Composition

Carbon (C), % 0.080 to 0.13
0.36 to 0.42
Chromium (Cr), % 0
12.5 to 14.5
Iron (Fe), % 99.18 to 99.62
83 to 87.1
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015