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  1. 180994

    Black Oxide Coating Get Rust

    Dear Expert, I need some advise. I have a Ball Valve A216 WCB Butt Weld with black oxide coating get rust after installation by customer. Is it getting rust due to the welding effect?
  2. 180994

    Welding stainless steel to titanium

    Dear Expert, I need some advise. Is there have any possibility to weld stainless steel plate (SUS304) to titanium pipe (TP340) by gtaw process? If so, please advise me the suitable filler rod for this welding.
  3. 180994

    Pressure Gauge Selected

    Dear Expert, I have some inquiry regarding the pressure gauge selected. Based on ASME VIII 2015 Edition UG-102 the calibrated gauge selected is mandatory. And for gauge selected range shall not less than 1.5 times and not more than 4 times the pressure. Did the selected range is mandatory or not?
  4. 180994

    ASTM Acceptable Edition for ASME 2015 Ed.

    Dear Arkaprava, Thank you for your explanation. My understanding is we still can use the material as long as all the specification comply with ASME 2015 Edition but the manufacturer need to prepare a comparison sheet between ASTM edition and ASME Sec II. Please advise me if i'm wrong.
  5. 180994

    ASTM Acceptable Edition for ASME 2015 Ed.

    Dear Expert, I have some inquiry regarding the ASTM material. Let say we want to buy SA-193 material but our supplier provide us ASTM A193/A193M-16. Based on ASME II 2015 Edition clearly mention the other acceptable edition for ASTM is 2005 through 2012. So, it's mean the ASTM material provide...
  6. 180994

    Blasting and Coating

    Dear Mike, Thank you for your explanation. We CNC the surface because we need to mill down the plate to specified thickness. Dear Ron, The plate is not too large. just 3146mmL x 1290mmW. but we haven't experience before to use Blanchard grinding.
  7. 180994

    Blasting and Coating

    Dear Expert, I am new in this Blasting and Coating. I have some problem on my plate. Last time we mill down the plate by CNC machine and after sand blasting and coating I found that the surface effect by CNC machine still have on the plate. If we carry out sand blasting, did the surface effect...

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