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AWS E3155 vs. SAE-AISI H42 Steel

Both AWS E3155 and SAE-AISI H42 steel are iron alloys. They have 40% of their average alloy composition in common. There are 22 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 E3155 and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 770
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 13
24
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
24
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 7.7
8.8
Embodied Energy, MJ/kg 110
130
Embodied Water, L/kg 300
98

Common Calculations

PREN (Pitting Resistance) 35
31
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
23 to 65
Strength to Weight: Bending, points 22
21 to 42
Thermal Diffusivity, mm2/s 3.3
6.5
Thermal Shock Resistance, points 20
20 to 57

Alloy Composition

Carbon (C), % 0 to 0.1
0.55 to 0.7
Chromium (Cr), % 20 to 22.5
3.8 to 4.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 23.3 to 36.3
79.3 to 83.8
Manganese (Mn), % 1.0 to 2.5
0.15 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
4.5 to 5.5
Nickel (Ni), % 19 to 21
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2