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EN 1.4361 Stainless Steel vs. EN 1.8505 Steel

Both EN 1.4361 stainless steel and EN 1.8505 steel are iron alloys. They have 65% 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 1.4361 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 43
13
Fatigue Strength, MPa 220
540
Impact Strength: V-Notched Charpy, J 90
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 440
630
Tensile Strength: Ultimate (UTS), MPa 630
1050
Tensile Strength: Yield (Proof), MPa 250
860

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 940
440
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.8
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.6
Embodied Energy, MJ/kg 52
22
Embodied Water, L/kg 150
65

Common Calculations

PREN (Pitting Resistance) 19
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
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 3.7
11
Thermal Shock Resistance, points 15
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.015
0.28 to 0.35
Chromium (Cr), % 16.5 to 18.5
1.5 to 1.8
Iron (Fe), % 58.7 to 65.8
95.4 to 97.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.2
0.2 to 0.4
Nickel (Ni), % 14 to 16
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 3.7 to 4.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035