MakeItFrom.com
Menu (ESC)

AWS E3155 vs. SAE-AISI 4340M Steel

Both AWS E3155 and SAE-AISI 4340M steel are iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
6.0
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 770
2340

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
38
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
3.9
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.9
Embodied Energy, MJ/kg 110
26
Embodied Water, L/kg 300
55

Common Calculations

PREN (Pitting Resistance) 35
2.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
84
Strength to Weight: Bending, points 22
51
Thermal Diffusivity, mm2/s 3.3
10
Thermal Shock Resistance, points 20
70

Alloy Composition

Carbon (C), % 0 to 0.1
0.38 to 0.43
Chromium (Cr), % 20 to 22.5
0.7 to 1.0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
93.3 to 94.8
Manganese (Mn), % 1.0 to 2.5
0.65 to 0.9
Molybdenum (Mo), % 2.5 to 3.5
0.35 to 0.45
Nickel (Ni), % 19 to 21
1.7 to 2.0
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.012
Silicon (Si), % 0 to 1.0
1.5 to 1.8
Sulfur (S), % 0 to 0.030
0 to 0.012
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0.050 to 0.1