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EN 1.8505 Steel vs. EN 1.4825 Stainless Steel

Both EN 1.8505 steel and EN 1.4825 stainless steel are iron alloys. They have 73% 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 1.8505 steel and the bottom bar is EN 1.4825 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
17
Fatigue Strength, MPa 540
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 1050
510
Tensile Strength: Yield (Proof), MPa 860
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
900
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.1
Embodied Energy, MJ/kg 22
43
Embodied Water, L/kg 65
140

Common Calculations

PREN (Pitting Resistance) 2.6
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
72
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
18
Strength to Weight: Bending, points 30
18
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 31
12

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.15 to 0.35
Chromium (Cr), % 1.5 to 1.8
17 to 19
Iron (Fe), % 95.4 to 97.1
65.6 to 74.4
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
8.0 to 10
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0.5 to 2.5
Sulfur (S), % 0 to 0.035
0 to 0.030