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ASTM A182 Grade F3VCb vs. ASTM A356 Grade 8

Both ASTM A182 grade F3VCb and ASTM A356 grade 8 are iron alloys. They have a very high 98% 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 ASTM A182 grade F3VCb and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
21
Fatigue Strength, MPa 320
270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 50
50
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 670
630
Tensile Strength: Yield (Proof), MPa 460
390

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 470
440
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
38
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.0
Embodied Energy, MJ/kg 33
26
Embodied Water, L/kg 64
55

Common Calculations

PREN (Pitting Resistance) 6.3
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 570
390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 19
18

Alloy Composition

Calcium (Ca), % 0.00050 to 0.015
0
Carbon (C), % 0.1 to 0.15
0 to 0.2
Chromium (Cr), % 2.7 to 3.3
1.0 to 1.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
95.4 to 97.4
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.9
Molybdenum (Mo), % 0.9 to 1.1
0.9 to 1.2
Nickel (Ni), % 0 to 0.25
0
Niobium (Nb), % 0.015 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.1
0.2 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.015
0
Vanadium (V), % 0.2 to 0.3
0.050 to 0.15