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EN 1.0314 Steel vs. EN 1.4931 Steel

Both EN 1.0314 steel and EN 1.4931 steel are iron alloys. They have 85% 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 EN 1.0314 steel and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92 to 120
240
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24 to 25
17
Fatigue Strength, MPa 140 to 220
410
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 320 to 400
810
Tensile Strength: Yield (Proof), MPa 190 to 310
620

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
600
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
24
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 46
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 87
130
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 250
970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 11 to 14
29
Strength to Weight: Bending, points 13 to 15
25
Thermal Diffusivity, mm2/s 14
6.5
Thermal Shock Resistance, points 10 to 13
22

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.030
0.2 to 0.26
Chromium (Cr), % 0
11.3 to 12.2
Iron (Fe), % 99.365 to 99.78
83.2 to 86.8
Manganese (Mn), % 0.2 to 0.4
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35