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EN 1.4874 Stainless Steel vs. EN 1.4423 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4423 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4874 stainless steel and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
17
Fatigue Strength, MPa 180
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 480
850
Tensile Strength: Yield (Proof), MPa 360
630

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 560
390
Maximum Temperature: Mechanical, °C 1150
780
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 15
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 7.6
3.2
Embodied Energy, MJ/kg 110
43
Embodied Water, L/kg 290
120

Common Calculations

PREN (Pitting Resistance) 34
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
30
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 11
31

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.020
Chromium (Cr), % 19 to 22
11 to 13
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 23 to 38.9
73.8 to 80.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
2.3 to 2.8
Nickel (Ni), % 18 to 22
6.0 to 7.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0030
Tungsten (W), % 2.0 to 3.0
0