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EN 1.4578 Stainless Steel vs. EN 1.4313 Stainless Steel

Both EN 1.4578 stainless steel and EN 1.4313 stainless steel are iron alloys. They have 84% 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 1.4578 stainless steel and the bottom bar is EN 1.4313 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 51
12 to 17
Fatigue Strength, MPa 200
340 to 510
Impact Strength: V-Notched Charpy, J 90
55 to 70
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 400
460 to 600
Tensile Strength: Ultimate (UTS), MPa 550
750 to 1000
Tensile Strength: Yield (Proof), MPa 200
580 to 910

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 930
780
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.7
2.4
Embodied Energy, MJ/kg 51
34
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 25
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 100
870 to 2100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
27 to 36
Strength to Weight: Bending, points 19
23 to 28
Thermal Diffusivity, mm2/s 3.9
6.7
Thermal Shock Resistance, points 12
27 to 36

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.050
Chromium (Cr), % 16.5 to 17.5
12 to 14
Copper (Cu), % 3.0 to 3.5
0
Iron (Fe), % 62.3 to 68.5
78.5 to 84.2
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 2.5
0.3 to 0.7
Nickel (Ni), % 10 to 11
3.5 to 4.5
Nitrogen (N), % 0 to 0.1
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015