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AWS E209 vs. EN 1.4578 Stainless Steel

Both AWS E209 and EN 1.4578 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS E209 and the bottom bar is EN 1.4578 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
51
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 770
550

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 21
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
3.7
Embodied Energy, MJ/kg 63
51
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 33
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
19
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.040
Chromium (Cr), % 20.5 to 24
16.5 to 17.5
Copper (Cu), % 0 to 0.75
3.0 to 3.5
Iron (Fe), % 51.5 to 64.3
62.3 to 68.5
Manganese (Mn), % 4.0 to 7.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
2.0 to 2.5
Nickel (Ni), % 9.5 to 12
10 to 11
Nitrogen (N), % 0.1 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 0.015
Vanadium (V), % 0.1 to 0.3
0