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  1. bytejuice2

    PWHT on tube to tubesheet welds

    I have a Waste Heat Boiler with water/steam 250°C shell side and gas 3490C tube side. Tubes are A.106 Gr.B, tubesheet is P355NH EN10028.3 (like A.516.70) Tubesheet are integral 26mm thick with bend radius. tubes are 4" and are welded to tubesheet with a groove tipe 'J', full penetration. The...
  2. bytejuice2

    Metal Tube wall temperature in smoke tube boiler

    I forgot materials. shell/tube side is A.516.70 / A.106 Gr.B / a.105 Tubes are Astm A.106 Gr.B.
  3. bytejuice2

    Metal Tube wall temperature in smoke tube boiler

    HELP I have a Waste Heat Boiler type smoke tube. In tube side I have gas from Reaction Furnace with H2S at 1322°C inlet and 280°C outluet. shell side is water at 140° inlet that produces steam at 14.8 bar - 200°C. Tubesheets have refractory to prevent heat damages. Inlet side of Tubes have a...

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