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SAE-AISI H42 Steel vs. AWS ER120S-1

Both SAE-AISI H42 steel and AWS ER120S-1 are iron alloys. They have 83% of their average alloy composition in common. There are 21 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 SAE-AISI H42 steel and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
930

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
46
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.2
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.8
1.9
Embodied Energy, MJ/kg 130
25
Embodied Water, L/kg 98
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 65
33
Strength to Weight: Bending, points 21 to 42
27
Thermal Diffusivity, mm2/s 6.5
13
Thermal Shock Resistance, points 20 to 57
27

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.55 to 0.7
0 to 0.1
Chromium (Cr), % 3.8 to 4.5
0 to 0.6
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 79.3 to 83.8
92.4 to 96.1
Manganese (Mn), % 0.15 to 0.4
1.4 to 1.8
Molybdenum (Mo), % 4.5 to 5.5
0.3 to 0.65
Nickel (Ni), % 0 to 0.3
2.0 to 2.8
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0 to 0.030
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5