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AWS E2594 vs. N08904 Stainless Steel

Both AWS E2594 and N08904 stainless steel are iron alloys. They have 82% 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 E2594 and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
38
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 850
540

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 22
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.3
5.8
Embodied Energy, MJ/kg 60
79
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 43
37
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
19
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 4.3
3.1
Thermal Shock Resistance, points 21
12

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.020
Chromium (Cr), % 24 to 27
19 to 23
Copper (Cu), % 0 to 0.75
1.0 to 2.0
Iron (Fe), % 53.8 to 63.8
38.8 to 53
Manganese (Mn), % 0.5 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.5
4.0 to 5.0
Nickel (Ni), % 8.0 to 10.5
23 to 28
Nitrogen (N), % 0.2 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035