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AWS E2594 vs. S34565 Stainless Steel

Both AWS E2594 and S34565 stainless steel are iron alloys. They have 87% 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 E2594 and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 17
39
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 850
900

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 22
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
5.3
Embodied Energy, MJ/kg 60
73
Embodied Water, L/kg 190
210

Common Calculations

PREN (Pitting Resistance) 43
47
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
32
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24 to 27
23 to 25
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.8 to 63.8
43.2 to 51.6
Manganese (Mn), % 0.5 to 2.0
5.0 to 7.0
Molybdenum (Mo), % 3.5 to 4.5
4.0 to 5.0
Nickel (Ni), % 8.0 to 10.5
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0.2 to 0.3
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010