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EN 1.0314 Steel vs. AISI 440C Stainless Steel

Both EN 1.0314 steel and AISI 440C stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.0314 steel and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24 to 25
2.0 to 14
Fatigue Strength, MPa 140 to 220
260 to 840
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 200 to 250
430 to 1120
Tensile Strength: Ultimate (UTS), MPa 320 to 400
710 to 1970
Tensile Strength: Yield (Proof), MPa 190 to 310
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
22
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
31
Embodied Water, L/kg 46
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 87
39 to 88
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 11 to 14
26 to 71
Strength to Weight: Bending, points 13 to 15
23 to 46
Thermal Diffusivity, mm2/s 14
6.0
Thermal Shock Resistance, points 10 to 13
26 to 71

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.030
1.0 to 1.2
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 99.365 to 99.78
78 to 83.1
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015