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EN 1.8509 Steel vs. N08320 Stainless Steel

Both EN 1.8509 steel and N08320 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 32 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 1.8509 steel and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
40
Fatigue Strength, MPa 580
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 680
400
Tensile Strength: Ultimate (UTS), MPa 1130
580
Tensile Strength: Yield (Proof), MPa 940
220

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
4.9
Embodied Energy, MJ/kg 22
69
Embodied Water, L/kg 65
200

Common Calculations

PREN (Pitting Resistance) 2.6
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
20
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 10
3.3
Thermal Shock Resistance, points 33
13

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0 to 0.050
Chromium (Cr), % 1.5 to 1.8
21 to 23
Iron (Fe), % 95.5 to 97.1
40.4 to 50
Manganese (Mn), % 0.4 to 0.7
0 to 2.5
Molybdenum (Mo), % 0.2 to 0.35
0
Nickel (Ni), % 0
25 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030