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EN 1.4423 Stainless Steel vs. EN 1.4487 Stainless Steel

Both EN 1.4423 stainless steel and EN 1.4487 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 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 1.4423 stainless steel and the bottom bar is EN 1.4487 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 380
210
Impact Strength: V-Notched Charpy, J 110
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 850
560
Tensile Strength: Yield (Proof), MPa 630
260

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 780
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 9.9
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.1
Embodied Energy, MJ/kg 43
44
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
20
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 4.3
4.2
Thermal Shock Resistance, points 31
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 11 to 13
18 to 20
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 73.8 to 80.5
64.7 to 72.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.3 to 2.8
0
Nickel (Ni), % 6.0 to 7.0
9.0 to 12
Nitrogen (N), % 0 to 0.020
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.0030
0 to 0.030