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SAE-AISI S7 Steel vs. AWS E330H

Both SAE-AISI S7 steel and AWS E330H 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 SAE-AISI S7 steel and the bottom bar is AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
690

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
30
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.3
5.4
Embodied Energy, MJ/kg 31
76
Embodied Water, L/kg 65
180

Common Calculations

PREN (Pitting Resistance) 8.4
17
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 72
24
Strength to Weight: Bending, points 22 to 46
22
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 22 to 66
19

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.35 to 0.45
Chromium (Cr), % 3.0 to 3.5
14 to 17
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 91.6 to 94.9
40.5 to 51.7
Manganese (Mn), % 0.2 to 0.9
1.0 to 2.5
Molybdenum (Mo), % 1.3 to 1.8
0 to 0.75
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.3
0