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AWS E3155 vs. SAE-AISI M42 Steel

Both AWS E3155 and SAE-AISI M42 steel are iron alloys. They have 48% 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 M42 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
78
Tensile Strength: Ultimate (UTS), MPa 770
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1460
1540
Melting Onset (Solidus), °C 1410
1490
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 13
20
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
30
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 7.7
7.4
Embodied Energy, MJ/kg 110
100
Embodied Water, L/kg 300
140

Common Calculations

PREN (Pitting Resistance) 35
38
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
28 to 79
Strength to Weight: Bending, points 22
24 to 48
Thermal Diffusivity, mm2/s 3.3
5.4
Thermal Shock Resistance, points 20
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.1
1.1 to 1.2
Chromium (Cr), % 20 to 22.5
3.5 to 4.3
Cobalt (Co), % 18.5 to 21
7.8 to 8.8
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 23.3 to 36.3
76.3 to 81
Manganese (Mn), % 1.0 to 2.5
0.15 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
9.0 to 10
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
0.15 to 0.65
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
1.2 to 1.9
Vanadium (V), % 0
1.0 to 1.4