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EN 1.4874 Stainless Steel vs. S20431 Stainless Steel

Both EN 1.4874 stainless steel and S20431 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
210
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
46
Fatigue Strength, MPa 180
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 480
710
Tensile Strength: Yield (Proof), MPa 360
350

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 560
410
Maximum Temperature: Mechanical, °C 1150
890
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.6
2.5
Embodied Energy, MJ/kg 110
36
Embodied Water, L/kg 290
140

Common Calculations

PREN (Pitting Resistance) 34
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
270
Resilience: Unit (Modulus of Resilience), kJ/m3 310
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
25
Strength to Weight: Bending, points 16
23
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.12
Chromium (Cr), % 19 to 22
17 to 18
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 23 to 38.9
66.1 to 74.4
Manganese (Mn), % 0 to 2.0
5.0 to 7.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 18 to 22
2.0 to 4.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0