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S20431 Stainless Steel vs. EN 1.4529 Stainless Steel

Both S20431 stainless steel and EN 1.4529 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S20431 stainless steel and the bottom bar is EN 1.4529 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
43
Fatigue Strength, MPa 320
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 500
520
Tensile Strength: Ultimate (UTS), MPa 710
750
Tensile Strength: Yield (Proof), MPa 350
340

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
33
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.5
6.2
Embodied Energy, MJ/kg 36
84
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 20
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
260
Resilience: Unit (Modulus of Resilience), kJ/m3 310
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.020
Chromium (Cr), % 17 to 18
19 to 21
Copper (Cu), % 1.5 to 3.5
0.5 to 1.5
Iron (Fe), % 66.1 to 74.4
42.7 to 50.4
Manganese (Mn), % 5.0 to 7.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 2.0 to 4.0
24 to 26
Nitrogen (N), % 0.1 to 0.25
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010