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EN 1.4589 Stainless Steel vs. EN 1.8503 Steel

Both EN 1.4589 stainless steel and EN 1.8503 steel are iron alloys. They have 84% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4589 stainless steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
16
Fatigue Strength, MPa 260
600
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
610
Tensile Strength: Ultimate (UTS), MPa 650
1000
Tensile Strength: Yield (Proof), MPa 440
910

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 810
440
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.3
Embodied Energy, MJ/kg 34
33
Embodied Water, L/kg 110
57

Common Calculations

PREN (Pitting Resistance) 17
3.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 96
150
Resilience: Unit (Modulus of Resilience), kJ/m3 490
2200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
35
Strength to Weight: Bending, points 22
28
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 23
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.080
0.16 to 0.24
Chromium (Cr), % 13.5 to 15.5
1.2 to 1.5
Iron (Fe), % 78.2 to 85
95.8 to 97.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 0.2 to 1.2
0.65 to 0.8
Nickel (Ni), % 1.0 to 2.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0.3 to 0.5
0
Vanadium (V), % 0
0.25 to 0.35