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SAE-AISI 1042 Steel vs. ASTM A182 Grade F5a

Both SAE-AISI 1042 steel and ASTM A182 grade F5a are iron alloys. They have a moderately high 94% 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 SAE-AISI 1042 steel and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 18
25
Fatigue Strength, MPa 230 to 370
380
Poisson's Ratio 0.29
0.29
Reduction in Area, % 39 to 50
56
Shear Modulus, GPa 73
74
Shear Strength, MPa 380 to 420
450
Tensile Strength: Ultimate (UTS), MPa 620 to 700
710
Tensile Strength: Yield (Proof), MPa 340 to 580
520

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
510
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 18
24
Embodied Water, L/kg 46
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 94
160
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 900
700
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
25
Strength to Weight: Bending, points 21 to 22
23
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 20 to 22
20

Alloy Composition

Carbon (C), % 0.4 to 0.47
0 to 0.25
Chromium (Cr), % 0
4.0 to 6.0
Iron (Fe), % 98.5 to 99
91.4 to 95.6
Manganese (Mn), % 0.6 to 0.9
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.030