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  • Users: LuckyHobo
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  1. LuckyHobo

    Welding Carpenter 20 to 316L Stainless Steel

    Several Carpenter 20(Alloy 20)tubes are to be welded to a 316L stainless steel raised face pipe flange. This is basically a P45 to a P8 weld. Weld material for the 316L material is SFA-5.9 ER316L. Weld material for Carpenter 20 is SFA 5.9 ER320LR. What weld material should be used when...
  2. LuckyHobo

    Heat

    A flat 24" OD x 2" thk. steel surface is heated to and maintains a 400F temp. on side #1. On the opposite side (side #2) is a 24"ID x 5" tall x 1/2" thk. steel enclosure. The enclosure has a 1/2" thk. steel cover. I need to know the estimated temperature inside this steel enclosure. The...

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