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EN 1.4024 Stainless Steel vs. EN 1.4724 Stainless Steel

Both EN 1.4024 stainless steel and EN 1.4724 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 32 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 EN 1.4024 stainless steel and the bottom bar is EN 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 22
16
Fatigue Strength, MPa 220 to 300
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 370 to 460
340
Tensile Strength: Ultimate (UTS), MPa 590 to 750
550
Tensile Strength: Yield (Proof), MPa 330 to 510
280

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 760
850
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 30
21
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 27
28
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 13
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
73
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 660
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
20
Strength to Weight: Bending, points 20 to 24
19
Thermal Diffusivity, mm2/s 8.1
5.6
Thermal Shock Resistance, points 21 to 26
19

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.12 to 0.17
0 to 0.12
Chromium (Cr), % 12 to 14
12 to 14
Iron (Fe), % 83.8 to 87.9
82.2 to 86.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0.7 to 1.4
Sulfur (S), % 0 to 0.015
0 to 0.015