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ASTM A182 Grade F6b vs. SAE-AISI 1040 Steel

Both ASTM A182 grade F6b and SAE-AISI 1040 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 (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F6b and the bottom bar is SAE-AISI 1040 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
13 to 20
Fatigue Strength, MPa 440
220 to 340
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
40 to 45
Shear Modulus, GPa 76
73
Shear Strength, MPa 530
350 to 390
Tensile Strength: Ultimate (UTS), MPa 850
570 to 640
Tensile Strength: Yield (Proof), MPa 710
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 30
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
79 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
270 to 760
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
20 to 23
Strength to Weight: Bending, points 26
19 to 21
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 31
18 to 20

Alloy Composition

Carbon (C), % 0 to 0.15
0.37 to 0.44
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 81.2 to 87.1
98.6 to 99.03
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0 to 0.050