US2021101194A1PendingUtilityA1
Piercer plug
Est. expiryMar 14, 2038(~11.7 yrs left)· nominal 20-yr term from priority
C22C 38/04C23C 4/11B21B 19/04C22C 38/12B21B 25/00C23C 4/06C22C 38/02C23C 4/129C23C 4/131C22C 38/08C22C 38/00C23C 4/123C23C 30/00
50
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Claims
Abstract
A piercer plug with increased wear resistance is provided. A piercer plug includes: a plug body; and a sprayed coating formed on the surface of the plug body. The sprayed coating contains an iron-based alloy and oxides thereof. The chromium concentration determined by analyzing the sprayed coating with X-ray fluorescence analysis is 3 to 20 mass %.
Claims
exact text as granted — not AI-modified1 . A piercer plug, comprising: a plug body; and a sprayed coating formed on a surface of the plug body, the sprayed coating containing an iron-based alloy and an oxide of the iron-based alloy, a chromium concentration determined by analyzing the sprayed coating with X-ray fluorescence analysis being 3 to 20 mass %.
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