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EN 1.4855 Stainless Steel vs. EN 1.8159 Steel

Both EN 1.4855 stainless steel and EN 1.8159 steel are iron alloys. They have 50% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 stainless steel and the bottom bar is EN 1.8159 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
660 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1050
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
46
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 5.9
1.9
Embodied Energy, MJ/kg 85
26
Embodied Water, L/kg 200
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
23 to 70
Strength to Weight: Bending, points 18
21 to 45
Thermal Diffusivity, mm2/s 3.7
13
Thermal Shock Resistance, points 11
19 to 58

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.47 to 0.55
Chromium (Cr), % 23 to 25
0.9 to 1.2
Iron (Fe), % 42.6 to 51.9
96.4 to 97.8
Manganese (Mn), % 0 to 2.0
0.7 to 1.1
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 25
0
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.1 to 0.25