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S20431 Stainless Steel vs. EN 1.0234 Steel

Both S20431 stainless steel and EN 1.0234 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 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 S20431 stainless steel and the bottom bar is EN 1.0234 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
100 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
12 to 29
Fatigue Strength, MPa 320
170 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 500
260 to 300
Tensile Strength: Ultimate (UTS), MPa 710
350 to 480
Tensile Strength: Yield (Proof), MPa 350
220 to 410

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 36
18
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
36 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
130 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
12 to 17
Strength to Weight: Bending, points 23
14 to 17
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15
11 to 15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.12
0.13 to 0.17
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 66.1 to 74.4
99.02 to 99.5
Manganese (Mn), % 5.0 to 7.0
0.35 to 0.6
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.025