RA 602 CA - Rolled Alloys
RA 602 CA - Rolled Alloys
RA 602 CA - Rolled Alloys
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25” O.D. calciner processing metal oxide pigments<br />
in the 1800-2100°F range. <strong>RA</strong> <strong>602</strong> <strong>CA</strong> selected after<br />
coupon testing of <strong>RA</strong>601, HR-120, Haynes 556, and<br />
HR-160 alloys. Reference <strong>RA</strong> Case History #2027.<br />
60 inch diameter x 30 ft. long calciner processing<br />
high purity alumina at 2050-2100°F. Unit in operation<br />
for 5 years until first repairs. <strong>RA</strong> <strong>602</strong> <strong>CA</strong> selected<br />
over alloy 601 based on higher strength and scaling<br />
resistance.<br />
Serpentine grid formed from 3/16" <strong>RA</strong> <strong>602</strong> <strong>CA</strong> plate.<br />
Material used in vacuum heat treatment of tool<br />
steels at 2175°F-2275°F followed by 6 bar nitrogen<br />
quench. Still in service after 1200 cycles. See Case<br />
History 2063.<br />
13<br />
<strong>RA</strong> <strong>602</strong> <strong>CA</strong><br />
Furnace rolls in a specialty steel mill. <strong>RA</strong> <strong>602</strong> <strong>CA</strong><br />
replaced water cooled asbestos lined carbon steel.<br />
The <strong>RA</strong> <strong>602</strong> <strong>CA</strong> is not water cooled and was rolled<br />
and welded to form the rolls. <strong>RA</strong> <strong>602</strong> <strong>CA</strong> rolls have<br />
reduced energy consumption by eliminating watercooling<br />
and have reduced marking of sheet product<br />
due to their smooth surface.<br />
30” diameter chemical vapor deposition (CVD)<br />
retort for the aluminide coating of gas turbine<br />
blades. <strong>RA</strong> <strong>602</strong> <strong>CA</strong> replaced Haynes 230 in this<br />
application. Temperatures are 1975°F.
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