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ASTM A182 Grade F5a vs. AWS E630

Both ASTM A182 grade F5a and AWS E630 are iron alloys. They have 80% 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 F5a and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
8.0
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 710
1040

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 24
40
Embodied Water, L/kg 69
140

Common Calculations

PREN (Pitting Resistance) 6.8
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
37
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 11
4.5
Thermal Shock Resistance, points 20
28

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.050
Chromium (Cr), % 4.0 to 6.0
16 to 16.8
Copper (Cu), % 0
3.3 to 4.0
Iron (Fe), % 91.4 to 95.6
71.6 to 75.9
Manganese (Mn), % 0 to 0.6
0.25 to 0.75
Molybdenum (Mo), % 0.44 to 0.65
0 to 0.75
Nickel (Ni), % 0 to 0.5
4.5 to 5.0
Niobium (Nb), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030