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AWS E2594 vs. EN 1.4031 Stainless Steel

Both AWS E2594 and EN 1.4031 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E2594 and the bottom bar is EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
11 to 13
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 850
670 to 900

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
30
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 22
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.3
1.9
Embodied Energy, MJ/kg 60
27
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 43
14
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
24 to 32
Strength to Weight: Bending, points 25
22 to 27
Thermal Diffusivity, mm2/s 4.3
8.1
Thermal Shock Resistance, points 21
23 to 32

Alloy Composition

Carbon (C), % 0 to 0.040
0.36 to 0.42
Chromium (Cr), % 24 to 27
12.5 to 14.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.8 to 63.8
83 to 87.1
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
0
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 0.015