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EN 1.4565 Stainless Steel vs. EN 1.8503 Steel

Both EN 1.4565 stainless steel and EN 1.8503 steel are iron alloys. They have 49% 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 1.4565 stainless steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 35
16
Fatigue Strength, MPa 380
600
Impact Strength: V-Notched Charpy, J 110
39
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 590
610
Tensile Strength: Ultimate (UTS), MPa 880
1000
Tensile Strength: Yield (Proof), MPa 480
910

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
41
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
3.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.3
Embodied Energy, MJ/kg 74
33
Embodied Water, L/kg 210
57

Common Calculations

PREN (Pitting Resistance) 47
3.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
150
Resilience: Unit (Modulus of Resilience), kJ/m3 550
2200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
35
Strength to Weight: Bending, points 26
28
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 21
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.030
0.16 to 0.24
Chromium (Cr), % 24 to 26
1.2 to 1.5
Iron (Fe), % 41.2 to 50.7
95.8 to 97.5
Manganese (Mn), % 5.0 to 7.0
0.4 to 0.8
Molybdenum (Mo), % 4.0 to 5.0
0.65 to 0.8
Nickel (Ni), % 16 to 19
0
Niobium (Nb), % 0 to 0.15
0
Nitrogen (N), % 0.3 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0
0.25 to 0.35