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S20910 Stainless Steel vs. AWS BAg-8a

S20910 stainless steel belongs to the iron alloys classification, while AWS BAg-8a belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is AWS BAg-8a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
83
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 79
31
Tensile Strength: Ultimate (UTS), MPa 780 to 940
150

Thermal Properties

Latent Heat of Fusion, J/g 300
140
Melting Completion (Liquidus), °C 1420
770
Melting Onset (Solidus), °C 1380
770
Specific Heat Capacity, J/kg-K 480
290
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.6
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 28 to 33
4.2
Strength to Weight: Bending, points 24 to 27
6.3
Thermal Shock Resistance, points 17 to 21
6.7

Alloy Composition

Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Copper (Cu), % 0
26.4 to 28.8
Iron (Fe), % 52.1 to 62.1
0
Lithium (Li), % 0
0.25 to 0.5
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
71 to 73
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.1 to 0.3
0
Residuals, % 0
0 to 0.15