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S40977 Stainless Steel vs. AWS BAg-9

S40977 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 S40977 stainless steel and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
82
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 76
31
Tensile Strength: Ultimate (UTS), MPa 510
140

Thermal Properties

Latent Heat of Fusion, J/g 270
130
Melting Completion (Liquidus), °C 1440
720
Melting Onset (Solidus), °C 1400
670
Specific Heat Capacity, J/kg-K 480
290
Thermal Expansion, µm/m-K 10
20

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.6
Embodied Energy, MJ/kg 27
980

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 18
4.1
Strength to Weight: Bending, points 18
6.3
Thermal Shock Resistance, points 18
6.0

Alloy Composition


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Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
19 to 21
Iron (Fe), % 83.9 to 89.2
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0.3 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
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