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EN 1.4423 Stainless Steel vs. EN 1.4837 Stainless Steel

Both EN 1.4423 stainless steel and EN 1.4837 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4837 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
6.8
Fatigue Strength, MPa 380
120
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 850
500
Tensile Strength: Yield (Proof), MPa 630
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 780
1050
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 9.9
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
20
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.2
3.7
Embodied Energy, MJ/kg 43
53
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
29
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
18
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 4.3
3.7
Thermal Shock Resistance, points 31
11

Alloy Composition

Carbon (C), % 0 to 0.020
0.3 to 0.5
Chromium (Cr), % 11 to 13
24 to 27
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 73.8 to 80.5
53.4 to 63.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.3 to 2.8
0 to 0.5
Nickel (Ni), % 6.0 to 7.0
11 to 14
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.0030
0 to 0.030