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ASTM A182 Grade F911 vs. SAE-AISI 1144 Steel

Both ASTM A182 grade F911 and SAE-AISI 1144 steel are iron alloys. They have 88% 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 ASTM A182 grade F911 and the bottom bar is SAE-AISI 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
11 to 17
Fatigue Strength, MPa 350
280 to 430
Poisson's Ratio 0.28
0.29
Reduction in Area, % 46
34 to 40
Shear Modulus, GPa 76
72
Shear Strength, MPa 430
460 to 510
Tensile Strength: Ultimate (UTS), MPa 690
750 to 840
Tensile Strength: Yield (Proof), MPa 500
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 90
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 650
480 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
27 to 30
Strength to Weight: Bending, points 22
23 to 25
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 19
22 to 24

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.00030 to 0.0060
0
Carbon (C), % 0.090 to 0.13
0.4 to 0.48
Chromium (Cr), % 8.5 to 9.5
0
Iron (Fe), % 86.2 to 88.9
97.5 to 98
Manganese (Mn), % 0.3 to 0.6
1.4 to 1.7
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.040 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.010
0.24 to 0.33
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0