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EN 1.4594 Stainless Steel vs. EN 1.4823 Stainless Steel

Both EN 1.4594 stainless steel and EN 1.4823 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 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 1.4594 stainless steel and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
3.4
Fatigue Strength, MPa 490 to 620
130
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
620
Tensile Strength: Yield (Proof), MPa 810 to 1140
290

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 3.2
3.0
Embodied Energy, MJ/kg 45
43
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 19
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
17
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 36 to 41
23
Strength to Weight: Bending, points 29 to 31
21
Thermal Diffusivity, mm2/s 4.4
4.5
Thermal Shock Resistance, points 34 to 39
17

Alloy Composition

Carbon (C), % 0 to 0.070
0.3 to 0.5
Chromium (Cr), % 13 to 15
25 to 28
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 72.6 to 79.5
60.9 to 70.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.2 to 2.0
0 to 0.5
Nickel (Ni), % 5.0 to 6.0
3.0 to 6.0
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030