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EN 1.4578 Stainless Steel vs. EN 1.4567 Stainless Steel

Both EN 1.4578 stainless steel and EN 1.4567 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4578 stainless steel and the bottom bar is EN 1.4567 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
22 to 51
Fatigue Strength, MPa 200
190 to 260
Impact Strength: V-Notched Charpy, J 90
91 to 110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 400
390 to 490
Tensile Strength: Ultimate (UTS), MPa 550
550 to 780
Tensile Strength: Yield (Proof), MPa 200
200 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 930
930
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
11
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.7
3.1
Embodied Energy, MJ/kg 51
43
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 25
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 100
100 to 400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
19 to 27
Strength to Weight: Bending, points 19
19 to 24
Thermal Diffusivity, mm2/s 3.9
3.0
Thermal Shock Resistance, points 12
12 to 17

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.040
Chromium (Cr), % 16.5 to 17.5
17 to 19
Copper (Cu), % 3.0 to 3.5
3.0 to 4.0
Iron (Fe), % 62.3 to 68.5
63.3 to 71.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 11
8.5 to 10.5
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015