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EN 1.4659 Stainless Steel vs. EN 1.8509 Steel

Both EN 1.4659 stainless steel and EN 1.8509 steel are iron alloys. They have 43% 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 1.4659 stainless steel and the bottom bar is EN 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 49
11
Fatigue Strength, MPa 460
580
Impact Strength: V-Notched Charpy, J 94
29
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 640
680
Tensile Strength: Ultimate (UTS), MPa 900
1130
Tensile Strength: Yield (Proof), MPa 480
940

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.8
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
1.6
Embodied Energy, MJ/kg 89
22
Embodied Water, L/kg 220
65

Common Calculations

PREN (Pitting Resistance) 54
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
120
Resilience: Unit (Modulus of Resilience), kJ/m3 550
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 31
40
Strength to Weight: Bending, points 25
31
Thermal Diffusivity, mm2/s 3.2
10
Thermal Shock Resistance, points 19
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.020
0.38 to 0.45
Chromium (Cr), % 23 to 25
1.5 to 1.8
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
95.5 to 97.1
Manganese (Mn), % 2.0 to 4.0
0.4 to 0.7
Molybdenum (Mo), % 5.5 to 6.5
0.2 to 0.35
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Tungsten (W), % 1.5 to 2.5
0