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EN 1.4006 Stainless Steel vs. EN 1.8505 Steel

Both EN 1.4006 stainless steel and EN 1.8505 steel are iron alloys. They have 88% 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 1.4006 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 23
13
Fatigue Strength, MPa 150 to 300
540
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 370 to 460
630
Tensile Strength: Ultimate (UTS), MPa 590 to 750
1050
Tensile Strength: Yield (Proof), MPa 230 to 510
860

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
440
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.6
Embodied Energy, MJ/kg 27
22
Embodied Water, L/kg 100
65

Common Calculations

PREN (Pitting Resistance) 13
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
37
Strength to Weight: Bending, points 20 to 24
30
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 21 to 26
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.080 to 0.15
0.28 to 0.35
Chromium (Cr), % 11.5 to 13.5
1.5 to 1.8
Iron (Fe), % 83.1 to 88.4
95.4 to 97.1
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035