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EN 1.4865 Stainless Steel vs. EN 1.8505 Steel

Both EN 1.4865 stainless steel and EN 1.8505 steel are iron alloys. They have 43% of their average alloy composition in common. There are 31 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 1.4865 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8
13
Fatigue Strength, MPa 120
540
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 470
1050
Tensile Strength: Yield (Proof), MPa 250
860

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
440
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.8
1.6
Embodied Energy, MJ/kg 81
22
Embodied Water, L/kg 200
65

Common Calculations

PREN (Pitting Resistance) 20
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
37
Strength to Weight: Bending, points 17
30
Thermal Diffusivity, mm2/s 3.1
11
Thermal Shock Resistance, points 11
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.3 to 0.5
0.28 to 0.35
Chromium (Cr), % 18 to 21
1.5 to 1.8
Iron (Fe), % 34.4 to 44.7
95.4 to 97.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.4
Nickel (Ni), % 36 to 39
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035