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AWS ER80S-B8 vs. ASTM A27 Cast Steel

Both AWS ER80S-B8 and ASTM A27 cast steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ER80S-B8 and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
25 to 27
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 630
460 to 550
Tensile Strength: Yield (Proof), MPa 530
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.0 to 7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
18
Embodied Water, L/kg 89
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 720
140 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
16 to 20
Strength to Weight: Bending, points 21
17 to 19
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 17
15 to 18