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SAE-AISI 1345 Steel vs. ASTM A182 Grade F122

Both SAE-AISI 1345 steel and ASTM A182 grade F122 are iron alloys. They have 85% of their average alloy composition in common. There are 31 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 SAE-AISI 1345 steel and the bottom bar is ASTM A182 grade F122.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 23
23
Fatigue Strength, MPa 230 to 390
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 370 to 440
450
Tensile Strength: Ultimate (UTS), MPa 590 to 730
710
Tensile Strength: Yield (Proof), MPa 330 to 620
450

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
600
Melting Completion (Liquidus), °C 1450
1490
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
24
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 48
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 1040
520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 26
25
Strength to Weight: Bending, points 20 to 23
22
Thermal Diffusivity, mm2/s 14
6.4
Thermal Shock Resistance, points 19 to 23
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.43 to 0.48
0.070 to 0.14
Chromium (Cr), % 0
10 to 11.5
Copper (Cu), % 0
0.3 to 1.7
Iron (Fe), % 97.2 to 97.8
81.3 to 87.7
Manganese (Mn), % 1.6 to 1.9
0 to 0.7
Molybdenum (Mo), % 0
0.25 to 0.6
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.040 to 0.1
Nitrogen (N), % 0
0.040 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0
0.15 to 0.3
Zirconium (Zr), % 0
0 to 0.010