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ASTM A182 Grade F3VCb vs. AWS E430Nb

Both ASTM A182 grade F3VCb and AWS E430Nb are iron alloys. They have 85% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F3VCb and the bottom bar is AWS E430Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 670
500

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
24
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.1
Embodied Energy, MJ/kg 33
45
Embodied Water, L/kg 64
120

Common Calculations

PREN (Pitting Resistance) 6.3
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 11
6.6
Thermal Shock Resistance, points 19
13

Alloy Composition

Calcium (Ca), % 0.00050 to 0.015
0
Carbon (C), % 0.1 to 0.15
0 to 0.1
Chromium (Cr), % 2.7 to 3.3
15 to 18
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 93.8 to 95.8
76.2 to 84.5
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.75
Nickel (Ni), % 0 to 0.25
0 to 0.6
Niobium (Nb), % 0.015 to 0.070
0.5 to 1.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
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