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EN 1.8505 Steel vs. EN 1.4945 Stainless Steel

Both EN 1.8505 steel and EN 1.4945 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
19 to 34
Fatigue Strength, MPa 540
230 to 350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 630
430 to 460
Tensile Strength: Ultimate (UTS), MPa 1050
640 to 740
Tensile Strength: Yield (Proof), MPa 860
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
920
Melting Completion (Liquidus), °C 1450
1490
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
30
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
5.0
Embodied Energy, MJ/kg 22
73
Embodied Water, L/kg 65
150

Common Calculations

PREN (Pitting Resistance) 2.6
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
210 to 760
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
22 to 25
Strength to Weight: Bending, points 30
20 to 22
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 31
14 to 16

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.040 to 0.1
Chromium (Cr), % 1.5 to 1.8
15.5 to 17.5
Iron (Fe), % 95.4 to 97.1
57.9 to 65.7
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0.3 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5