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AWS E383 vs. S44725 Stainless Steel

Both AWS E383 and S44725 stainless steel are iron alloys. They have 63% 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 E383 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, % 34
22
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 580
500

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
15
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.4
3.1
Embodied Energy, MJ/kg 89
44
Embodied Water, L/kg 240
170

Common Calculations

PREN (Pitting Resistance) 40
33
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.1
4.6
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 26.5 to 29
25 to 28.5
Copper (Cu), % 0.6 to 1.5
0
Iron (Fe), % 28.8 to 39.2
67.6 to 73.5
Manganese (Mn), % 0.5 to 2.5
0 to 0.4
Molybdenum (Mo), % 3.2 to 4.2
1.5 to 2.5
Nickel (Ni), % 30 to 33
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0
0 to 0.018
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 0.040
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0
0 to 0.26