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AISI 440C Stainless Steel vs. ASTM A182 Grade F11 Class 1

Both AISI 440C stainless steel and ASTM A182 grade F11 class 1 are iron alloys. They have 83% 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 F11 class 1.

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
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 430 to 1120
300
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
470
Tensile Strength: Yield (Proof), MPa 450 to 1900
230

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 870
430
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1370
1420
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
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.6
Embodied Energy, MJ/kg 31
21
Embodied Water, L/kg 120
52

Common Calculations

PREN (Pitting Resistance) 18
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
89
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 71
17
Strength to Weight: Bending, points 23 to 46
17
Thermal Diffusivity, mm2/s 6.0
11
Thermal Shock Resistance, points 26 to 71
14

Alloy Composition

Carbon (C), % 1.0 to 1.2
0.050 to 0.15
Chromium (Cr), % 16 to 18
1.0 to 1.5
Iron (Fe), % 78 to 83.1
96 to 97.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.75
0.44 to 0.65
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.5 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030