精品人妻一区二区久久,国产熟女高潮久久麻豆,国产无套内射普通话对白 http://www.owweac.cn/heat-treatment-of-tungsten-carbide-products/ Wed, 28 Oct 2020 02:32:34 +0000 hourly 1 https://wordpress.org/?v=6.7.2 By: Stephen Ryan http://www.owweac.cn/heat-treatment-of-tungsten-carbide-products/#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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