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EN 1.0314 Steel vs. S31803 Stainless Steel

Both EN 1.0314 steel and S31803 stainless steel are iron alloys. They have 68% 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 EN 1.0314 steel and the bottom bar is S31803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92 to 120
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24 to 25
29
Fatigue Strength, MPa 140 to 220
370
Poisson's Ratio 0.29
0.27
Reduction in Area, % 78 to 86
50
Shear Modulus, GPa 73
80
Shear Strength, MPa 200 to 250
460
Tensile Strength: Ultimate (UTS), MPa 320 to 400
710
Tensile Strength: Yield (Proof), MPa 190 to 310
500

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1060
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
16
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.6
Embodied Energy, MJ/kg 18
49
Embodied Water, L/kg 46
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 87
180
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 250
630
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 11 to 14
25
Strength to Weight: Bending, points 13 to 15
23
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 10 to 13
20

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
21 to 23
Iron (Fe), % 99.365 to 99.78
63.7 to 71.9
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020