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EN 1.4550 Stainless Steel vs. EN 1.8063 Steel

Both EN 1.4550 stainless steel and EN 1.8063 steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 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 1.4550 stainless steel and the bottom bar is EN 1.8063 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 540
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 620
670 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 940
420
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
1.6
Embodied Energy, MJ/kg 51
21
Embodied Water, L/kg 140
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
24 to 71
Strength to Weight: Bending, points 21
22 to 45
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14
20 to 59

Alloy Composition

Carbon (C), % 0 to 0.080
0.46 to 0.54
Chromium (Cr), % 17 to 19
0.8 to 1.1
Iron (Fe), % 64.9 to 74
95.2 to 96.4
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0
0.2 to 0.35
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
1.4 to 1.8
Sulfur (S), % 0 to 0.015
0 to 0.025