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EN 1.4438 Stainless Steel vs. S24000 Stainless Steel

Both EN 1.4438 stainless steel and S24000 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4438 stainless steel and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
39
Fatigue Strength, MPa 220
370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420
530
Tensile Strength: Ultimate (UTS), MPa 620
770
Tensile Strength: Yield (Proof), MPa 250
430

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1000
910
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 60
39
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 31
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
260
Resilience: Unit (Modulus of Resilience), kJ/m3 150
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 17.5 to 19.5
17 to 19
Iron (Fe), % 57.3 to 66.5
61.5 to 69
Manganese (Mn), % 0 to 2.0
11.5 to 14.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 13 to 16
2.3 to 3.7
Nitrogen (N), % 0 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030