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SAE-AISI 1017 Steel vs. EN 1.4031 Stainless Steel

Both SAE-AISI 1017 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 1017 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, % 20 to 30
11 to 13
Fatigue Strength, MPa 170 to 270
220 to 400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 280 to 290
400 to 540
Tensile Strength: Ultimate (UTS), MPa 420 to 460
670 to 900
Tensile Strength: Yield (Proof), MPa 220 to 390
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 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
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 88 to 110
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 400
380 to 1360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 16
24 to 32
Strength to Weight: Bending, points 16 to 17
22 to 27
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 13 to 14
23 to 32

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.36 to 0.42
Chromium (Cr), % 0
12.5 to 14.5
Iron (Fe), % 99.11 to 99.55
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