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EN 1.4401 Stainless Steel vs. AWS BAg-9

EN 1.4401 stainless steel belongs to the iron alloys classification, while AWS BAg-9 belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
82
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 78
31
Tensile Strength: Ultimate (UTS), MPa 600 to 900
140

Thermal Properties

Latent Heat of Fusion, J/g 290
130
Melting Completion (Liquidus), °C 1440
720
Melting Onset (Solidus), °C 1400
670
Specific Heat Capacity, J/kg-K 470
290
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Density, g/cm3 7.9
9.6
Embodied Energy, MJ/kg 52
980

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 21 to 32
4.1
Strength to Weight: Bending, points 20 to 26
6.3
Thermal Shock Resistance, points 13 to 20
6.0

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
19 to 21
Iron (Fe), % 62.8 to 71.5
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
64 to 66
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
13 to 17
Residuals, % 0
0 to 0.15