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EN 1.8505 Steel vs. EN 1.4805 Stainless Steel

Both EN 1.8505 steel and EN 1.4805 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
9.0
Fatigue Strength, MPa 540
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 1050
490
Tensile Strength: Yield (Proof), MPa 860
250

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 440
1000
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.7
Embodied Energy, MJ/kg 22
66
Embodied Water, L/kg 65
180

Common Calculations

PREN (Pitting Resistance) 2.6
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
37
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
17
Strength to Weight: Bending, points 30
18
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 31
11

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.2 to 0.5
Chromium (Cr), % 1.5 to 1.8
19 to 23
Iron (Fe), % 95.4 to 97.1
44.9 to 56.8
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
0 to 0.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.030