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EN 1.8505 Steel vs. EN 1.4594 Stainless Steel

Both EN 1.8505 steel and EN 1.4594 stainless steel are iron alloys. They have 79% 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 1.4594 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
11 to 17
Fatigue Strength, MPa 540
490 to 620
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 630
620 to 700
Tensile Strength: Ultimate (UTS), MPa 1050
1020 to 1170
Tensile Strength: Yield (Proof), MPa 860
810 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
820
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
3.2
Embodied Energy, MJ/kg 22
45
Embodied Water, L/kg 65
130

Common Calculations

PREN (Pitting Resistance) 2.6
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
1660 to 3320
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
36 to 41
Strength to Weight: Bending, points 30
29 to 31
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 31
34 to 39

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.070
Chromium (Cr), % 1.5 to 1.8
13 to 15
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 95.4 to 97.1
72.6 to 79.5
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
1.2 to 2.0
Nickel (Ni), % 0
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.035
0 to 0.015