日韩在线成视频人观看,日本一道高清一区二区三区中文字幕 http://www.guodeganghao.cn/pl/obrobka-cieplna-produktow-weglika-wolframu/ Wed, 28 Oct 2020 02:32:34 +0000 cogodzinny 1 https://wordpress.org/?v=6.5.5 Autor: Stephen Ryan http://www.guodeganghao.cn/pl/obrobka-cieplna-produktow-weglika-wolframu/#comment-1172 Wed, 28 Oct 2020 02:32:34 +0000 http://www.guodeganghao.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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