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ASTM A387 Grade 2 Steel vs. AWS E310H

Both ASTM A387 grade 2 steel and AWS E310H are iron alloys. They have 51% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 2 steel and the bottom bar is AWS E310H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
11
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 470 to 550
690

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
14
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.6
Embodied Energy, MJ/kg 20
65
Embodied Water, L/kg 50
200

Common Calculations

PREN (Pitting Resistance) 2.4
28
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 20
25
Strength to Weight: Bending, points 17 to 19
22
Thermal Diffusivity, mm2/s 12
3.8
Thermal Shock Resistance, points 14 to 16
17

Alloy Composition

Carbon (C), % 0.050 to 0.21
0.35 to 0.45
Chromium (Cr), % 0.5 to 0.8
25 to 28
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 97.1 to 98.3
44.2 to 53.7
Manganese (Mn), % 0.55 to 0.8
1.0 to 2.5
Molybdenum (Mo), % 0.45 to 0.6
0 to 0.75
Nickel (Ni), % 0
20 to 22.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030