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EN 1.8505 Steel vs. AISI 304L Stainless Steel

Both EN 1.8505 steel and AISI 304L stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
6.7 to 46
Fatigue Strength, MPa 540
170 to 430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 630
370 to 680
Tensile Strength: Ultimate (UTS), MPa 1050
540 to 1160
Tensile Strength: Yield (Proof), MPa 860
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
540
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.1
Embodied Energy, MJ/kg 22
44
Embodied Water, L/kg 65
150

Common Calculations

PREN (Pitting Resistance) 2.6
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
92 to 1900
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
19 to 41
Strength to Weight: Bending, points 30
19 to 31
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 31
12 to 25

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.030
Chromium (Cr), % 1.5 to 1.8
18 to 20
Iron (Fe), % 95.4 to 97.1
65 to 74
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0
8.0 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.035
0 to 0.030