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AWS E630 vs. ZA-27

AWS E630 belongs to the iron alloys classification, while ZA-27 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS E630 and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
78
Elongation at Break, % 8.0
2.0 to 4.5
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
31
Tensile Strength: Ultimate (UTS), MPa 1040
400 to 430

Thermal Properties

Latent Heat of Fusion, J/g 280
130
Melting Completion (Liquidus), °C 1430
480
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 470
530
Thermal Conductivity, W/m-K 17
130
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
53

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 7.8
5.0
Embodied Carbon, kg CO2/kg material 2.8
4.2
Embodied Energy, MJ/kg 40
80
Embodied Water, L/kg 140
570

Common Calculations

Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
28
Strength to Weight: Axial, points 37
22 to 24
Strength to Weight: Bending, points 29
24 to 25
Thermal Diffusivity, mm2/s 4.5
47
Thermal Shock Resistance, points 28
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 16 to 16.8
0
Copper (Cu), % 3.3 to 4.0
2.0 to 2.5
Iron (Fe), % 71.6 to 75.9
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Manganese (Mn), % 0.25 to 0.75
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 4.5 to 5.0
0 to 0.020
Niobium (Nb), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0 to 0.080
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
69.3 to 73