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ASTM A182 Grade F24 vs. S31254 Stainless Steel

Both ASTM A182 grade F24 and S31254 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F24 and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 330
290
Poisson's Ratio 0.29
0.28
Reduction in Area, % 45
56
Shear Modulus, GPa 74
80
Shear Strength, MPa 420
490
Tensile Strength: Ultimate (UTS), MPa 670
720
Tensile Strength: Yield (Proof), MPa 460
330

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1090
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.3
5.5
Embodied Energy, MJ/kg 33
74
Embodied Water, L/kg 61
190

Common Calculations

PREN (Pitting Resistance) 6.7
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
240
Resilience: Unit (Modulus of Resilience), kJ/m3 570
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 19
15

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 0.020
Chromium (Cr), % 2.2 to 2.6
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 94.5 to 96.1
51.4 to 56.3
Manganese (Mn), % 0.3 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
6.0 to 6.5
Nickel (Ni), % 0
17.5 to 18.5
Nitrogen (N), % 0 to 0.12
0.18 to 0.22
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0.15 to 0.45
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.060 to 0.1
0
Vanadium (V), % 0.2 to 0.3
0