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EN 1.8509 Steel vs. EN 1.4466 Stainless Steel

Both EN 1.8509 steel and EN 1.4466 stainless steel are iron alloys. They have 52% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
42
Fatigue Strength, MPa 580
250
Impact Strength: V-Notched Charpy, J 29
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 680
440
Tensile Strength: Ultimate (UTS), MPa 1130
640
Tensile Strength: Yield (Proof), MPa 940
280

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
5.0
Embodied Energy, MJ/kg 22
70
Embodied Water, L/kg 65
200

Common Calculations

PREN (Pitting Resistance) 2.6
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 10
3.7
Thermal Shock Resistance, points 33
14

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0 to 0.020
Chromium (Cr), % 1.5 to 1.8
24 to 26
Iron (Fe), % 95.5 to 97.1
45.6 to 52.9
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.35
2.0 to 2.5
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.035
0 to 0.010