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AWS E2595 vs. S32803 Stainless Steel

Both AWS E2595 and S32803 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 (9, in this case) are not shown.

For each property being compared, the top bar is AWS E2595 and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
18
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 850
680

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
19
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.4
3.7
Embodied Energy, MJ/kg 61
53
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 42
36
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
25
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 4.2
4.4
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.015
Chromium (Cr), % 24 to 27
28 to 29
Copper (Cu), % 0.4 to 1.5
0
Iron (Fe), % 51.4 to 64.5
62.9 to 67.1
Manganese (Mn), % 0 to 2.5
0 to 0.5
Molybdenum (Mo), % 2.5 to 4.5
1.8 to 2.5
Nickel (Ni), % 8.0 to 10.5
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0.2 to 0.3
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.2
0 to 0.55
Sulfur (S), % 0 to 0.025
0 to 0.0035
Tungsten (W), % 0.4 to 1.0
0