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ASTM A387 Grade 11 Steel vs. AWS ER80S-D2

Both ASTM A387 grade 11 steel and AWS ER80S-D2 are iron alloys. They have a very high 98% 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 11 steel and the bottom bar is AWS ER80S-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
19
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 500 to 600
620
Tensile Strength: Yield (Proof), MPa 270 to 350
540

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 21
21
Embodied Water, L/kg 53
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
22
Strength to Weight: Bending, points 18 to 20
21
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 15 to 18
18

Alloy Composition


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Carbon (C), % 0.050 to 0.17
0.070 to 0.12
Chromium (Cr), % 1.0 to 1.5
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 96.2 to 97.6
95.2 to 97.4
Manganese (Mn), % 0.4 to 0.65
1.6 to 2.1
Molybdenum (Mo), % 0.45 to 0.65
0.4 to 0.6
Nickel (Ni), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.5 to 0.8
0.5 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.025
Residuals, % 0
0 to 0.5