Hot-dip lead coating |
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| 申请号 | US19316071 | 申请日 | 1971-10-27 | 公开(公告)号 | US3819406A | 公开(公告)日 | 1974-06-25 |
| 申请人 | MITSUI MINING & SMELTING CO; MAX COATER CO LTD; | 发明人 | TACHIMORI H; NAGAHORI T; NAKAMURA Y; | ||||
| 摘要 | Lead-base alloy, hot-dip coating of articles of iron, iron-base alloys, copper and copper-base alloys is accomplished, with improved hardness, corrosion resistance and appearance, using as a coating alloy one of the following (a), (b), (c) and (d): A. AN ALLOY CONTAINING 0.01-5.0 PERCENT BY WEIGHT OF ARSENIC, THE BALANCE BEING LEAD METAL, B. AN ALLOY CONTAINING 0.01-5.0 PERCENT BY WEIGHT OF ARSENIC AND 0.1-3.0 PERCENT BY WEIGHT OF TIN, THE BALANCE BEING LEAD METAL, C. AN ALLOY CONTAINING 0.01-5.0 PERCENT BY WEIGHT OF ARSENIC AND 0.1-10.0 PERCENT BY WEIGHT OF ANTIMONY, THE BALANCE BEING LEAD METAL, AND D. AN ALLOY CONTAINING 0.01-5.0 PERCENT BY WEIGHT OF ARSENIC, 0.1-10.0 PERCENT BY WEIGHT OF ANTIMONY AND 0.1-3.0 PERCENT BY WEIGHT OF TIN, THE BALANCE BEING LEAD METAL. | ||||||
| 权利要求 | 2. The method according to claim 1 wherein the lead-base alloy is (a). 3. The method according to claim 1 wherein the article is steel and the lead-base alloy is (a). 4. The method according to claim 1 wherein the article is steel and the lead-base alloy is (b). 5. The method according to claim 1 wherein the article is steel and the lead-base alloy is (c). 6. The method according to claim 1 wherein the article is steel and the lead-base alloy is (d). 7. A method according to claim 1, in which said article is dipped into the bath for a period of from about 4 to about 20 seconds. |
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