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| | | THE HANDBOOK | | |
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| | | Chemical Resistance of Titanium Screws | | Chemical Resistance of Hastelloy/Inconel/Nickel Screws | | |
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| | | | | | | | | | | Chemical Name | Composition {%) | Titanium | | | | Hydrochloric Acid | 10 | O | | | | 30 | X | | | | Sulfuric Acid | 10 | A | | | | 50 | X | | | | Nitric Acid | 10 | ® | | | | 50 | ® | | | | Nitrohydrochloric Acid (HCI:HNO3) | 3M | ® | | | | Chromic Acid | 5 | ® | | | | Hydrofluoric Acid | 5 | X | | | | Phosphoric Acid | 50 (ventilated) | A | | | | Ferric Chloride | 10-30 | © | | | | Cupric Chloride | 10-30 | O | | | | Sodium Chloride | 10-40 | ® | | | | Calcium Chloride | 50 | ® | | | | Ammonium Chloride | 40 | ® | | | | Magnesium Chloride | 40 | © | | | | Ferrous Sulfate | 10-50 | © | | | | Ammonia | 10-30 | © | | | | Sodium Hydroxide | 50 | © | | | | Sodium Carbonate | 10 | © | | | | Hydrogen Sulfide | Dry Gas | © | | | | Wet Gas | © | | | | Chlorine | Dry Gas | X | | | | Wet Gas | © | | | | Sulfur Dioxide | Dry/Wet Gas | © | | | | Seawater | High Speed Stream | © | | | | Formic Acid | 10-50 | O | | | | Lactic Acid | 50 | © | | | | Oxalic Acid | 20 | X | | | | Citric Acid | 10-50 | © | | | | | | | | | | | | | | | | | | | | Chemical Name | Temperature | Hastelloy | Inconel | Nickel | | | | Diluted Sulfuric Acid | Room Temperature | AA | A | A | | | | Boiling Point | A | D | D | | | | Concentrated Sulfuric Acid | Room Temperature | AA | C | C | | | | Boiling Point | D | D | D | | | | Diluted Hydrochloric Acid | Room Temperature | AA | B | A | | | | Boiling Point | D | D | D | | | | Concentrated Hydrochloric Acid | Room Temperature | AA | D | D | | | | Boiling Point | B | D | D | | | | Diluted Nitric Acid | Room Temperature | AA | D | D | | | | Boiling Point | AA | | D | | | | Concentrated Nitric Acid | Room Temperature | AA | A | D | | | | Boiling Point | D | | D | | | | Diluted Phosphoric Acid | Room Temperature | AA | AA | AA | | | | Boiling Point | AA | - | D | | | | Concentrated Phosphoric Acid | Room Temperature | AA | AA | AA | | | | Boiling Point | B | - | D | | | | Diluted Sodium Hydroxide | Room Temperature | - | AA | AA | | | | Boiling Point | - | C | AA | | | | Concentrated Sodium Hydroxide | Room Temperature | - | AA | AA | | | | Boiling Point | - | C | AA | | | | | | | | | | | | |
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| | | AA : Excellent A : Good B : Satisfactory C : Unusable under certain conditions D : Unusable | | |
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| | | Caution | | |
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| | | » The above is test data on test samples. Chemical resistance values will vary according to usage conditions. Screws should be tested under actual performance conditions prior to use. | | |
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| | | Testing Temperature: Room Temperature ® : <0.127 mm/year A :0.508—1.27 mm/year O:0.127—0.508 mm/year x : > 1.27 mm/year | | |
| | | Hydrochloric acid | | |
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| | | Chemical Resistance of Ceramic Screws | | |
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| | | | | | | | | | | | Chemical Name | Temperature | Time | Ceramic | | | | 35% Hydrochloric Acid | Boiling | 30 Minutes | © | | | | 70% Sulfuric Acid | Boiling | 30 Minutes | © | | | | 98% Nitric Acid | Boiling | 30 Minutes | © | | | | 90% Phosphoric Acid | Boiling | 30 Minutes | O | | | | 60% Hydrofluoric Acid | 20^ | 24 Hours | A | | | | 10% Potassium Hydroxide | 80"C | 7 Days | © | | | | Potassium Hydroxide | 500°C (Boiling) | 24 Hours | A | | | | Sodium Hydroxide | 500°C (Boiling) | 24 Hours | O | | | | Sodium Carbonate | 9001C (Boiling) | 24 Hours | O | | | | Sodium Sulfate | 1000°C (Boiling) | 24 Hours | © | | | | Potassium Fluoride | 90°C (Boiling) | 4 Hours | X | | | | | | | | | | | |
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| | | A : Moderate Corrosion x : Heavy Corrosion | | |
| | | © : No Corrosion O : Slight Corrosion | | |
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