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EN 1.0314 Steel vs. EN 1.4903 Stainless Steel

Both EN 1.0314 steel and EN 1.4903 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 30 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 EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24 to 25
20 to 21
Fatigue Strength, MPa 140 to 220
320 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 200 to 250
420
Tensile Strength: Ultimate (UTS), MPa 320 to 400
670 to 680
Tensile Strength: Yield (Proof), MPa 190 to 310
500

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
650
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
26
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
36
Embodied Water, L/kg 46
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 87
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 250
650
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 11 to 14
24
Strength to Weight: Bending, points 13 to 15
22
Thermal Diffusivity, mm2/s 14
7.0
Thermal Shock Resistance, points 10 to 13
23

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0 to 0.040
Carbon (C), % 0 to 0.030
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 99.365 to 99.78
87.1 to 90.5
Manganese (Mn), % 0.2 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25