Claims
- 1. A ferrous base ferritic strip continuously hot dip coated with a coating metal, comprising:
- the strip including at least about 6% by weight chromium,
- the coating metal including aluminum or aluminum alloys,
- the coating layer on the strip being substantially free of uncoated areas and formed without a thick brittle Fe-Al alloy inner layer,
- the coating layer being tightly adherent to the strip and resistant to crazing or flaking during bending.
- 2. The strip of claim 1 wherein the coating metal includes less than about 0.5% by weight silicon.
- 3. The strip of claim 1 wherein the aluminum coating metal contains up to about 10% by weight silicon.
- 4. The strip of claim 1 wherein the aluminum coating metal contains up to 0.5% by weight silicon and up to about 2% by weight iron.
- 5. A ferritic steel strip continuously hot dip coated with an aluminum coating metal, comprising:
- the strip being stainless steel including at least about 10% by weight chromium,
- the coating layer on the strip being substantially free of uncoated areas and formed without a thick brittle Fe-Al alloy inner layer,
- the coating layer being tightly adherent to the strip and resistant to crazing or flaking during bending.
- 6. The strip of claim 5 wherein the coating metal includes less than about 0.5% by weight silicon.
- 7. The strip of claim 5 wherein the aluminum coating metal contains up to about 10% by weight silicon.
- 8. The strip of claim 5 wherein the aluminum coating metal contains up to 0.5% by weight silicon and up to about 2% by weight iron.
Parent Case Info
This application is a continuation of application Ser. No. 016,920, filed Feb. 20, 1987, now issued as U.S. Pat. No. 4,800,135, which is a division of application Ser. No. 865,238, filed May 20, 1986, now issued as U.S. Pat. No. 4,675,214.
US Referenced Citations (11)
Foreign Referenced Citations (6)
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12515 |
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JPX |
26187 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
865238 |
May 1986 |
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Continuations (1)
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Number |
Date |
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Parent |
16920 |
Feb 1987 |
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