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S20431 Stainless Steel vs. EN 1.4841 Stainless Steel

Both S20431 stainless steel and EN 1.4841 stainless steel are iron alloys. They have 73% 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 S20431 stainless steel and the bottom bar is EN 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
32
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 500
430
Tensile Strength: Ultimate (UTS), MPa 710
650
Tensile Strength: Yield (Proof), MPa 350
260

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 890
1150
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
4.3
Embodied Energy, MJ/kg 36
62
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
170
Resilience: Unit (Modulus of Resilience), kJ/m3 310
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.2
Chromium (Cr), % 17 to 18
24 to 26
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 66.1 to 74.4
47.1 to 55.5
Manganese (Mn), % 5.0 to 7.0
0 to 2.0
Nickel (Ni), % 2.0 to 4.0
19 to 22
Nitrogen (N), % 0.1 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.015