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EN 1.4423 Stainless Steel vs. EN 1.4986 Stainless Steel

Both EN 1.4423 stainless steel and EN 1.4986 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 1.4423 stainless steel and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
18
Fatigue Strength, MPa 380
350
Impact Strength: V-Notched Charpy, J 110
57
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 520
460
Tensile Strength: Ultimate (UTS), MPa 850
750
Tensile Strength: Yield (Proof), MPa 630
560

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
520
Maximum Temperature: Mechanical, °C 780
940
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 9.9
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
4.8
Embodied Energy, MJ/kg 43
67
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
26
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 31
16

Alloy Composition

Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0 to 0.020
0.040 to 0.1
Chromium (Cr), % 11 to 13
15.5 to 17.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 73.8 to 80.5
59.4 to 66.6
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.3 to 2.8
1.6 to 2.0
Nickel (Ni), % 6.0 to 7.0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.0030
0 to 0.030