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REXALLOY®™ GRADE 33
Wear, Corrosion Resistant Parts & Cutting Tools
General Corrosion Resistance:
The next important property of REXALLOY®™ is its superior resistance to corrosion.
In laboratory tests, standard REXALLOY®™ 33 was found to be resistant to the following:
| 30% |
Sulfuric Acid at 150" F. |
Satisfactorily Resistant |
| 35% |
Phosphoric Acid, boiling. |
Completely Resistant |
| 4/% |
Lactic Acid, boiling. |
Completely Resistant |
| 21% |
Sodium Hydroxide plus 13% Sodium Chloride (CP) at 200º F. |
Completely Resistant |
| 30% |
Sodium Hydroxide [CP). |
Completely Resistant |
| 40% |
Sodium Hydroxide (CP). |
Completely Resistant |
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Salt Spray (20% Solution) — 375 hours. |
Completely Resistant |
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Cyclic Water Vapor — 1630 hours. |
Completely Resistant |
On the other hand, REXALLOY®™ is not satisfactorily resistant to 2% Hydrochloric Acid at 1500º F, nor to boiling 65% Nitric Acid.
Thus REXALLOY®™ successfully resists corrosion by moist atmosphere salt spray, the milder acids and certain of the stronger acids and alkalies. When the use of REXALLOY®™ in highly corrosive media other than those listed above is contemplated, specific inquiry is recommended, and testing should be done for your proposed application.
Lead Oxide Corrosion Resistance >
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