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ASTM A182 Grade F6b vs. ASTM A372 Grade D Steel

Both ASTM A182 grade F6b and ASTM A372 grade D 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 ASTM A372 grade D steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
17
Fatigue Strength, MPa 440
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 530
500
Tensile Strength: Ultimate (UTS), MPa 850
810
Tensile Strength: Yield (Proof), MPa 710
510

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
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 30
20
Embodied Water, L/kg 100
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
29
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 31
26

Alloy Composition

Carbon (C), % 0 to 0.15
0.4 to 0.5
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 81.2 to 87.1
97.1 to 97.9
Manganese (Mn), % 0 to 1.0
1.4 to 1.8
Molybdenum (Mo), % 0.4 to 0.6
0.17 to 0.27
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.010