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EN 1.8509 Steel vs. S42300 Stainless Steel

Both EN 1.8509 steel and S42300 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 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 1.8509 steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
9.1
Fatigue Strength, MPa 580
440
Impact Strength: V-Notched Charpy, J 29
13
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 680
650
Tensile Strength: Ultimate (UTS), MPa 1130
1100
Tensile Strength: Yield (Proof), MPa 940
850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
750
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.2
Embodied Energy, MJ/kg 22
44
Embodied Water, L/kg 65
110

Common Calculations

PREN (Pitting Resistance) 2.6
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
93
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
1840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
39
Strength to Weight: Bending, points 31
30
Thermal Diffusivity, mm2/s 10
6.8
Thermal Shock Resistance, points 33
40

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0.27 to 0.32
Chromium (Cr), % 1.5 to 1.8
11 to 12
Iron (Fe), % 95.5 to 97.1
82 to 85.1
Manganese (Mn), % 0.4 to 0.7
1.0 to 1.4
Molybdenum (Mo), % 0.2 to 0.35
2.5 to 3.0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3