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AWS E2553 vs. ASTM A356 Grade 9

Both AWS E2553 and ASTM A356 grade 9 are iron alloys. They have 63% 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 AWS E2553 and the bottom bar is ASTM A356 grade 9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 850
670

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
41
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.4
Embodied Energy, MJ/kg 56
33
Embodied Water, L/kg 190
56

Common Calculations

PREN (Pitting Resistance) 40
4.7
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
24
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.2
Chromium (Cr), % 24 to 27
1.0 to 1.5
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 55.2 to 64.5
95.2 to 97.2
Manganese (Mn), % 0.5 to 1.5
0.5 to 0.9
Molybdenum (Mo), % 2.9 to 3.9
0.9 to 1.2
Nickel (Ni), % 6.5 to 8.5
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.2 to 0.35