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ASTM A356 Grade 2 vs. AWS E316H

Both ASTM A356 grade 2 and AWS E316H are iron alloys. They have 65% of their average alloy composition in common. There are 24 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 A356 grade 2 and the bottom bar is AWS E316H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 510
580

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
20
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
4.0
Embodied Energy, MJ/kg 20
55
Embodied Water, L/kg 47
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.25
0.040 to 0.080
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 97.7 to 99.55
58.6 to 69.5
Manganese (Mn), % 0 to 0.7
0.5 to 2.5
Molybdenum (Mo), % 0.45 to 0.65
2.0 to 3.0
Nickel (Ni), % 0
11 to 14
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030