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ASTM A182 Grade F6b vs. SAE-AISI 1345 Steel

Both ASTM A182 grade F6b and SAE-AISI 1345 steel 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 (3, 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 1345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
11 to 23
Fatigue Strength, MPa 440
230 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 530
370 to 440
Tensile Strength: Ultimate (UTS), MPa 850
590 to 730
Tensile Strength: Yield (Proof), MPa 710
330 to 620

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
400
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
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
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 30
19
Embodied Water, L/kg 100
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
78 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
290 to 1040
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
21 to 26
Strength to Weight: Bending, points 26
20 to 23
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 31
19 to 23

Alloy Composition

Carbon (C), % 0 to 0.15
0.43 to 0.48
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 81.2 to 87.1
97.2 to 97.8
Manganese (Mn), % 0 to 1.0
1.6 to 1.9
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040