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EN 1.8509 Steel vs. EN 1.4823 Stainless Steel

Both EN 1.8509 steel and EN 1.4823 stainless steel are iron alloys. They have 69% 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 1.8509 steel and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
3.4
Fatigue Strength, MPa 580
130
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 1130
620
Tensile Strength: Yield (Proof), MPa 940
290

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 39
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
16
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.6
3.0
Embodied Energy, MJ/kg 22
43
Embodied Water, L/kg 65
170

Common Calculations

PREN (Pitting Resistance) 2.6
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
17
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 40
23
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 10
4.5
Thermal Shock Resistance, points 33
17

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0.3 to 0.5
Chromium (Cr), % 1.5 to 1.8
25 to 28
Iron (Fe), % 95.5 to 97.1
60.9 to 70.7
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.35
0 to 0.5
Nickel (Ni), % 0
3.0 to 6.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.035
0 to 0.030