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AWS E630 vs. ASTM A217 Cast Steel

Both AWS E630 and ASTM A217 cast steel are iron alloys. 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 AWS E630 and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0
21 to 27
Poisson's Ratio 0.28
0.28 to 0.29
Shear Modulus, GPa 76
73 to 75
Tensile Strength: Ultimate (UTS), MPa 1040
540 to 710

Thermal Properties

Latent Heat of Fusion, J/g 280
250 to 270
Melting Completion (Liquidus), °C 1430
1450 to 1460
Melting Onset (Solidus), °C 1380
1410 to 1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
26 to 50
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3 to 9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4 to 11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.4 to 7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5 to 2.1
Embodied Energy, MJ/kg 40
20 to 28
Embodied Water, L/kg 140
47 to 87

Common Calculations

PREN (Pitting Resistance) 18
2.5 to 13
Stiffness to Weight: Axial, points 14
13 to 14
Stiffness to Weight: Bending, points 25
24 to 25
Strength to Weight: Axial, points 37
19 to 25
Strength to Weight: Bending, points 29
19 to 23
Thermal Diffusivity, mm2/s 4.5
6.9 to 14
Thermal Shock Resistance, points 28
16 to 20