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AWS E2594 vs. S17400 Stainless Steel

Both AWS E2594 and S17400 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 25 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 E2594 and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
11 to 21
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 850
910 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 14
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 22
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 60
39
Embodied Water, L/kg 190
130

Common Calculations

PREN (Pitting Resistance) 43
16
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
32 to 49
Strength to Weight: Bending, points 25
27 to 35
Thermal Diffusivity, mm2/s 4.3
4.5
Thermal Shock Resistance, points 21
30 to 46

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.070
Chromium (Cr), % 24 to 27
15 to 17
Copper (Cu), % 0 to 0.75
3.0 to 5.0
Iron (Fe), % 53.8 to 63.8
70.4 to 78.9
Manganese (Mn), % 0.5 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 8.0 to 10.5
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030