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ASTM A387 Grade 22 Steel vs. AWS BAg-2a

ASTM A387 grade 22 steel belongs to the iron alloys classification, while AWS BAg-2a belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is AWS BAg-2a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
83
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
31
Tensile Strength: Ultimate (UTS), MPa 480 to 600
170

Thermal Properties

Latent Heat of Fusion, J/g 260
130
Melting Completion (Liquidus), °C 1470
710
Melting Onset (Solidus), °C 1430
610
Specific Heat Capacity, J/kg-K 470
310
Thermal Expansion, µm/m-K 13
23

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 1.7
30
Embodied Energy, MJ/kg 23
470

Common Calculations

Stiffness to Weight: Axial, points 13
5.2
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 17 to 21
5.4
Strength to Weight: Bending, points 17 to 20
7.8
Thermal Shock Resistance, points 14 to 17
6.5

Alloy Composition

Cadmium (Cd), % 0
19 to 21
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0
26 to 28
Iron (Fe), % 95.1 to 96.8
0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
29 to 31
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
21 to 25
Residuals, % 0
0 to 0.15