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EN 1.0503 Steel vs. EN 1.4301 Stainless Steel

Both EN 1.0503 steel and EN 1.4301 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0503 steel and the bottom bar is EN 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
14 to 46
Fatigue Strength, MPa 210
200 to 330
Impact Strength: V-Notched Charpy, J 16
91 to 94
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 380
430 to 550
Tensile Strength: Ultimate (UTS), MPa 630
610 to 900
Tensile Strength: Yield (Proof), MPa 310
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 19
43
Embodied Water, L/kg 47
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 260
120 to 820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
22 to 32
Strength to Weight: Bending, points 21
20 to 27
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 20
14 to 20

Alloy Composition

Carbon (C), % 0.42 to 0.5
0 to 0.070
Chromium (Cr), % 0 to 0.4
17.5 to 19.5
Iron (Fe), % 97.3 to 99.08
66.8 to 74.5
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.015