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AISI 440C Stainless Steel vs. ASTM A182 Grade F24

Both AISI 440C stainless steel and ASTM A182 grade F24 are iron alloys. They have 84% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 440C stainless steel and the bottom bar is ASTM A182 grade F24.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.0 to 14
23
Fatigue Strength, MPa 260 to 840
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 430 to 1120
420
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
670
Tensile Strength: Yield (Proof), MPa 450 to 1900
460

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 870
460
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
2.3
Embodied Energy, MJ/kg 31
33
Embodied Water, L/kg 120
61

Common Calculations

PREN (Pitting Resistance) 18
6.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 71
24
Strength to Weight: Bending, points 23 to 46
22
Thermal Diffusivity, mm2/s 6.0
11
Thermal Shock Resistance, points 26 to 71
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 1.0 to 1.2
0.050 to 0.1
Chromium (Cr), % 16 to 18
2.2 to 2.6
Iron (Fe), % 78 to 83.1
94.5 to 96.1
Manganese (Mn), % 0 to 1.0
0.3 to 0.7
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.12
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0.15 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.060 to 0.1
Vanadium (V), % 0
0.2 to 0.3