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AWS E330H vs. SAE-AISI A9 Steel

Both AWS E330H and SAE-AISI A9 steel are iron alloys. They have 54% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS E330H and the bottom bar is SAE-AISI A9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 690
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
35
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.4
4.7
Embodied Energy, MJ/kg 76
70
Embodied Water, L/kg 180
82

Common Calculations

PREN (Pitting Resistance) 17
10
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
28 to 73
Strength to Weight: Bending, points 22
24 to 46
Thermal Diffusivity, mm2/s 3.2
9.6
Thermal Shock Resistance, points 19
25 to 66

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.45 to 0.55
Chromium (Cr), % 14 to 17
4.8 to 5.5
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 40.5 to 51.7
87 to 90.5
Manganese (Mn), % 1.0 to 2.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
1.3 to 1.8
Nickel (Ni), % 33 to 37
1.3 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4