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Up Topic Welding Industry / Metallurgy / ASTM A53
- - By weber (*) Date 07-26-2008 14:14
The title of ASTM A53 is "Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless".
May somebody tell me what the BLACK is? Is it BLACK ZINC-COATED (a kind of zinc-coating which is exist and I don't know it)? Or it mean plain carbon steel (without any zinc-coating).
Parent - By G.S.Crisi (****) Date 07-26-2008 22:55
Weber,
you've already posted the same question in the Technical section of this Forum. G. Roberts and me have already answered you on that section. Take a look.
Giovanni S. Crisi
Up Topic Welding Industry / Metallurgy / ASTM A53

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