国产人妖专区视频在线一区,日韩视频在线看一二三 http://www.owweac.cn/ja/%e3%82%bf%e3%83%b3%e3%82%b0%e3%82%b9%e3%83%86%e3%83%b3%e3%82%ab%e3%83%bc%e3%83%90%e3%82%a4%e3%83%89%e8%a3%bd%e5%93%81%e3%81%ae%e7%86%b1%e5%87%a6%e7%90%86/ Wed, 28 Oct 2020 02:32:34 +0000 毎時 1 https://wordpress.org/?v=6.7.2 Stephen Ryan より http://www.owweac.cn/ja/%e3%82%bf%e3%83%b3%e3%82%b0%e3%82%b9%e3%83%86%e3%83%b3%e3%82%ab%e3%83%bc%e3%83%90%e3%82%a4%e3%83%89%e8%a3%bd%e5%93%81%e3%81%ae%e7%86%b1%e5%87%a6%e7%90%86/#comment-1172 Wed, 28 Oct 2020 02:32:34 +0000 http://www.owweac.cn/single-post-heat-treatment-of-tungsten-carbide-products/#comment-1172 Hello All,

I have a TCC coating applied to carbon steel inside a vessel. The vessel has the heads welded on and has been PWHT at a hold temp. of 600 DegC. The TCC coating has powdered and started delaminating. Particularly in the nozzle transition areas.
Does anyone have feedback for this failure please?

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