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EN 1.4325 Stainless Steel vs. EN 1.8505 Steel

Both EN 1.4325 stainless steel and EN 1.8505 steel are iron alloys. They have 74% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4325 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
13
Fatigue Strength, MPa 190
540
Impact Strength: V-Notched Charpy, J 91
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 450
630
Tensile Strength: Ultimate (UTS), MPa 650
1050
Tensile Strength: Yield (Proof), MPa 210
860

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
440
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.6
Embodied Energy, MJ/kg 42
22
Embodied Water, L/kg 140
65

Common Calculations

PREN (Pitting Resistance) 18
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
37
Strength to Weight: Bending, points 21
30
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 15
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.030 to 0.15
0.28 to 0.35
Chromium (Cr), % 17 to 19
1.5 to 1.8
Iron (Fe), % 67.8 to 75
95.4 to 97.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035