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EN 1.4378 Stainless Steel vs. S20433 Stainless Steel

Both EN 1.4378 stainless steel and S20433 stainless steel are iron alloys. They have a moderately high 93% 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 1.4378 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 34
46
Fatigue Strength, MPa 340 to 550
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 510 to 680
440
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
630
Tensile Strength: Yield (Proof), MPa 430 to 970
270

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
900
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1350
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 39
39
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
230
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
23
Strength to Weight: Bending, points 24 to 31
21
Thermal Shock Resistance, points 16 to 23
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 19
17 to 18
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 61.2 to 69
64.1 to 72.4
Manganese (Mn), % 11.5 to 14.5
5.5 to 7.5
Nickel (Ni), % 2.3 to 3.7
3.5 to 5.5
Nitrogen (N), % 0.2 to 0.4
0.1 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030