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ASTM A182 Grade F24 vs. EN 1.3940 Stainless Steel

Both ASTM A182 grade F24 and EN 1.3940 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 30 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 ASTM A182 grade F24 and the bottom bar is EN 1.3940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
34
Fatigue Strength, MPa 330
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 670
540
Tensile Strength: Yield (Proof), MPa 460
240

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
930
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
3.3
Embodied Energy, MJ/kg 33
47
Embodied Water, L/kg 61
150

Common Calculations

PREN (Pitting Resistance) 6.7
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
150
Resilience: Unit (Modulus of Resilience), kJ/m3 570
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0015 to 0.0070
0
Carbon (C), % 0.050 to 0.1
0 to 0.030
Chromium (Cr), % 2.2 to 2.6
16.5 to 18.5
Iron (Fe), % 94.5 to 96.1
64.2 to 71.4
Manganese (Mn), % 0.3 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
12 to 14
Nitrogen (N), % 0 to 0.12
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0.15 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0.060 to 0.1
0
Vanadium (V), % 0.2 to 0.3
0