I
ESCO ALLOY C A S T I N G S
20α * Duriron Licensee
C O N T R O L H2SO4 C O R R O S I O N ESCO Alloy 20 castings offer extraordinary resistance to sulphuric acid at the boiling point, in concentrations of 10% or less (by weight). ESCO Alloy 20 is completely resistant to acetic, phosphoric, nitric and picric acids as well as many other corrosives. Only one of many ESCO Alloys available to control corrosion, ESCO Alloy 20 and 20 Cb can be cast in wall thicknesses and dimensions to meet the most exacting requirements. Static, Spuncast* and Shellcast facilities are available. (Specify ESCO Alloy 20 Cb for castings that are to be welded.) ESCO Alloy 20 and 20 Cb cast fittings are available from convenient warehouse stocks. For details, see your ESCO dealer. Be sure to ask him for your free copy of ESCO Catalog No. 1 7 5 .
ESCO
ELECTRIC STEEL FOUNDRY COMPANY 2161 N. W. 25TH AVE. · PORTLAND 10, OREGON MFG. PLANTS AT PORTLAND, ORE. AND DANVILLE, ILL. Offices in Most Principal Cities ESCO INTERNATIONAL, NEW YORK, Ν. Υ. IN CANADA ESCO LIMITED
For further information, circle number 61 A on Readers' Service Card, page 135 A
VOL. 49, NO. 3
·
MARCH 1957
61 A
