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EN 1.0503 Steel vs. EN 1.4558 Stainless Steel

Both EN 1.0503 steel and EN 1.4558 stainless steel are iron alloys. They have 45% 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 1.0503 steel and the bottom bar is EN 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
39
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 380
350
Tensile Strength: Ultimate (UTS), MPa 630
510
Tensile Strength: Yield (Proof), MPa 310
200

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.5
Embodied Energy, MJ/kg 19
77
Embodied Water, L/kg 47
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
160
Resilience: Unit (Modulus of Resilience), kJ/m3 260
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Carbon (C), % 0.42 to 0.5
0 to 0.030
Chromium (Cr), % 0 to 0.4
20 to 23
Iron (Fe), % 97.3 to 99.08
39.2 to 47.9
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
32 to 35
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.045
0 to 0.015
Titanium (Ti), % 0
0 to 0.6