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EN 1.4584 Stainless Steel vs. EN 1.7227 Steel

Both EN 1.4584 stainless steel and EN 1.7227 steel are iron alloys. They have 49% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4584 stainless steel and the bottom bar is EN 1.7227 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 500
540 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 17
46
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.7
1.5
Embodied Energy, MJ/kg 78
20
Embodied Water, L/kg 200
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
19 to 65
Strength to Weight: Bending, points 17
19 to 43
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 12
16 to 54

Alloy Composition

Carbon (C), % 0 to 0.025
0.38 to 0.45
Chromium (Cr), % 19 to 21
0.9 to 1.2
Copper (Cu), % 1.0 to 3.0
0 to 0.25
Iron (Fe), % 41.7 to 52
96.5 to 98
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 4.0 to 5.0
0.15 to 0.3
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.020
0.020 to 0.040