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4C54 (tm)
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Cronifer
2803 Mo (tm)
Chemistry
Data
There is no chemistry data available for this grade.
Principal Design Features
A ferritic, non-heat treatable stainless steel that offers
good resistance to high temperature corrosion and oxidation.
Applications
Boiler baffles, furnace parts, X-ray tube bases,
oil burner components, kiln linings, glass molds, annealing
boxes and industrial mufflers.
Machinability
Slow speeds and positive feeds combined with rigid
mounts and sharp tooling surfaces optimize machining 446.
Welding
Most common welding methods can be successfully employed
with this alloy. Type 308 welding material may be used,
but will not display scaling resistance equal to the base
metal. Consideration must be given to the differences in
coefficient of thermal expansion of base and weld metal.
Oxyacetylene welding is not recommended.
Forging
Begin forging at 2100 F and finish at 1600 F. The final
10% of work should be performed below 1600 F for optimum
grain refinement and room temperature embrittlement.
Hot Working
2000-2150 F. Last 10% of work should be performed below
1600 F for grain refinement.
Cold Working
Due to its elevated chromium content, 446 is more difficult
than other stainless steels to bend, draw, spin and weld.
Annealing
Soak at 1500 F and water quench. Do not exceed 1650 F at
any time. Slow cooling below 1200 F will result in the loss
of ductility.
Hardening
This alloy does not respond to heat treatment.
Mechanical Data
There is no Mechnical data available for this grade.
Disclaimer
This information is provided "as is" and Prayas
Metals, makes no warranty of any kind with respect to the
subject matter or accuracy of the information contained
herein. Prayas Metals, specifically disclaims all warranties,
expressed, implied or otherwise, including without limitation,
all warranties of merchantability and fitness for a particular
purpose.
In no event shall Prayas Metals, be liable for any special,
incidental, indirect or consequential damages of any kind
or any damages whatsoever resulting from loss of use, data,
profits, whether or not advised of the possibility of damage,
and on any theory of liability, arising out of or in connection
with the use of the information contained herein.
This publication may include technical inaccuracies or typographical
errors. Changes may be periodically made to the information
herein.
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