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ASTM A387 Grade 22 Steel vs. AWS ER90S-D2

Both ASTM A387 grade 22 steel and AWS ER90S-D2 are iron alloys. They have a very high 97% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 ER90S-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
19
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 480 to 600
710
Tensile Strength: Yield (Proof), MPa 230 to 350
600

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 23
21
Embodied Water, L/kg 58
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
980
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 21
25
Strength to Weight: Bending, points 17 to 20
23
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 14 to 17
21

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.070 to 0.12
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 95.1 to 96.8
95.2 to 97.4
Manganese (Mn), % 0.3 to 0.6
1.6 to 2.1
Molybdenum (Mo), % 0.9 to 1.1
0.4 to 0.6
Nickel (Ni), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0.5 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.025
Residuals, % 0
0 to 0.5