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AWS E312 vs. ASTM A285 Carbon Steel

Both AWS E312 and ASTM A285 carbon steel are iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is ASTM A285 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
30 to 34
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 740
380 to 450

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1360
1420 to 1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 52
18
Embodied Water, L/kg 200
46

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
13 to 16
Strength to Weight: Bending, points 24
15 to 17
Thermal Shock Resistance, points 18
12 to 14