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AWS E3155 vs. S44725 Stainless Steel

Both AWS E3155 and S44725 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E3155 and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
22
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 770
500

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.7
3.1
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 300
170

Common Calculations

PREN (Pitting Resistance) 35
33
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.3
4.6
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.015
Chromium (Cr), % 20 to 22.5
25 to 28.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
67.6 to 73.5
Manganese (Mn), % 1.0 to 2.5
0 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
1.5 to 2.5
Nickel (Ni), % 19 to 21
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0 to 0.26
Nitrogen (N), % 0
0 to 0.018
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.040
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.26
Tungsten (W), % 2.0 to 3.0
0