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AWS E330 vs. SAE-AISI A4 Steel

Both AWS E330 and SAE-AISI A4 steel are iron alloys. They have 51% 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 E330 and the bottom bar is SAE-AISI A4 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
73
Tensile Strength: Ultimate (UTS), MPa 580
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.9
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.8
Embodied Energy, MJ/kg 75
24
Embodied Water, L/kg 180
59

Common Calculations

PREN (Pitting Resistance) 17
5.3
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
25 to 73
Strength to Weight: Bending, points 19
23 to 46
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 16
23 to 67

Alloy Composition

Carbon (C), % 0.18 to 0.25
1.0 to 1.1
Chromium (Cr), % 14 to 17
0.9 to 2.2
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 40.7 to 51.8
92 to 95.5
Manganese (Mn), % 1.0 to 2.5
1.8 to 2.2
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.4
Nickel (Ni), % 33 to 37
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030