20Cb-3® Stainless (Alloy 20)
Single Figures are Maximums
0.06 C, 2.00 Mn, 0.035 P, 0.035 S, 1.00 Si, 19.00/21.00 Cr, 32.50/35.00 Ni, 2.00/3.00 Mo, 3.00/4.00 Cu, 8 x C min./1.00 max. Cb + Ta, Bal. Fe
Austenitic stainless steel with excellent resistance to hot sulfuric acid and many aggressive environments which readily attack Type 316 stainless. Excellent resistance to stress-corrosion cracking. Weldable, machinable and cold formable. The alloy of choice for use in sulfuric acid.
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