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ASTM A182 Grade F122 vs. SAE-AISI 1049 Steel

Both ASTM A182 grade F122 and SAE-AISI 1049 steel are iron alloys. They have 85% 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 F122 and the bottom bar is SAE-AISI 1049 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
11 to 17
Fatigue Strength, MPa 320
250 to 400
Poisson's Ratio 0.28
0.29
Reduction in Area, % 45
34 to 46
Shear Modulus, GPa 76
72
Shear Strength, MPa 450
420 to 450
Tensile Strength: Ultimate (UTS), MPa 710
680 to 750
Tensile Strength: Yield (Proof), MPa 450
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
75 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 520
370 to 1090
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
24 to 27
Strength to Weight: Bending, points 22
22 to 23
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 19
22 to 24

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0.46 to 0.53
Chromium (Cr), % 10 to 11.5
0
Copper (Cu), % 0.3 to 1.7
0
Iron (Fe), % 81.3 to 87.7
98.5 to 98.9
Manganese (Mn), % 0 to 0.7
0.6 to 0.9
Molybdenum (Mo), % 0.25 to 0.6
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0 to 0.050
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0
Zirconium (Zr), % 0 to 0.010
0