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EN 1.4584 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4584 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
22 to 23
Fatigue Strength, MPa 170
420 to 490
Impact Strength: V-Notched Charpy, J 67
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 500
880 to 930
Tensile Strength: Yield (Proof), MPa 210
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
20
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.7
3.7
Embodied Energy, MJ/kg 78
52
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 36
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 110
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
31 to 33
Strength to Weight: Bending, points 17
26 to 27
Thermal Diffusivity, mm2/s 4.5
3.5
Thermal Shock Resistance, points 12
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 19 to 21
28 to 30
Copper (Cu), % 1.0 to 3.0
0 to 0.8
Iron (Fe), % 41.7 to 52
56.6 to 63.6
Manganese (Mn), % 0 to 2.0
0.8 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
1.5 to 2.6
Nickel (Ni), % 24 to 26
5.8 to 7.5
Nitrogen (N), % 0 to 0.2
0.3 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015