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AWS E2595 vs. S44800 Stainless Steel

Both AWS E2595 and S44800 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E2595 and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
23
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
82
Tensile Strength: Ultimate (UTS), MPa 850
590

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.4
3.8
Embodied Energy, MJ/kg 61
52
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 42
42
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.2
4.6
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.010
Chromium (Cr), % 24 to 27
28 to 30
Copper (Cu), % 0.4 to 1.5
0 to 0.15
Iron (Fe), % 51.4 to 64.5
62.6 to 66.5
Manganese (Mn), % 0 to 2.5
0 to 0.3
Molybdenum (Mo), % 2.5 to 4.5
3.5 to 4.2
Nickel (Ni), % 8.0 to 10.5
2.0 to 2.5
Nitrogen (N), % 0.2 to 0.3
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.2
0 to 0.2
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0.4 to 1.0
0