INCONEL 693 alloy (UNS N06693) offers high temperature corrosion resistance that was not possible with previous nickel-based alloys. Of particular interest to designers is the alloy's resistance to metal dust, and INCONEL 693 alloy offers the best resistance to metal dust in chemical and petrochemical environments of any alloy in production. A typical 693 alloy contains 60.5% nickel, 29% chromium and 3.1% aluminum. Like its predecessor, inconle alloy 690, the high chromium content of this alloy gives it excellent resistance to oxidation and sulfidation. However, the additional 3.1% aluminum added to alloy 693 greatly improves resistance to dust and other forms of high-temperature corrosion.
Product Description
| Grade | UNS N06693; NACE RP0294; ASTM B 166; ASTM B 168; ASTM B 906; ASTM B 167 |
| Thickness | 0.1-5 mm or as required |
| Width | 0.5-2.0M or as requied |
| Surface | BA, 2B, No.1 or as per clients' requirements |
| Finish | Cold (bright) drawn, Bright, Polish |
| Characteristic | 1.According to the preparation process can be divided into deformation superalloys, casting superalloys and powder metallurgy superalloys. 2.According to the strengthening mode, there are solid solution strengthening type, precipitation strengthening type, oxide dispersion strengthening type and fiber strengthening type, etc.. |
Chemical Composition(%)
| Ni | Cr | Fe | Al |
| 53.3-64.3 | 27-31 | 2.5-6 | 2.5-4 |
| Nb | Cu | Mn | Si |
| 0.5-2.5 | <=0.5 | <=1 | <=0.5 |
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