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EN 1.0503 Steel vs. AISI 308L Stainless Steel

Both EN 1.0503 steel and AISI 308L stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 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 AISI 308L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
34
Fatigue Strength, MPa 210
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 380
380
Tensile Strength: Ultimate (UTS), MPa 630
580
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1010
Melting Completion (Liquidus), °C 1460
1420
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 47
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
160
Resilience: Unit (Modulus of Resilience), kJ/m3 260
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 20
13

Alloy Composition

Carbon (C), % 0.42 to 0.5
0 to 0.080
Chromium (Cr), % 0 to 0.4
19.5 to 22
Iron (Fe), % 97.3 to 99.08
63.8 to 70.5
Manganese (Mn), % 0.5 to 0.8
1.0 to 2.5
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
9.0 to 11
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.4
0.25 to 0.6
Sulfur (S), % 0 to 0.045
0 to 0.030