BLOGS

Learn five key steps to prepare your next hot-dip galvanized steel project for paint.

Communicate with the Galvanizer  Determine the Condition of the Surface Newly Galvanized Partially Weathered Fully Weathered  Clean the Surface Remove bumps, runs, and drips Remove organic materials Rinse and dry  Profile the Surface Sweep Blasting Wash Primer Acrylic Pretreatment Surface Grinding  Painting

SECTION X – FIBER REINFORCED PLASTIC VESSELS RP Certificate

(RP) Fiber-Reinforced Plastic Vessels RP-1 Manufacture of Class I and Class II reinforced plastic pressure vessels at the above location only  RP-5 Manufacture of Class I and Class II reinforced plastic pressure vessels at the above location and Class II reinforced plastic pressure vessels only…

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SECTION VIII DIV. 3 PRESSURE VESSELS U3, UV3 and UD3 Certificates

(U3) Pressure Vessels (Div. 3) U3-1 Manufacture of pressure vessels at the above location only  U3-2 Manufacture of pressure vessels at the above location only (This authorization does not cover welding, brazing or fusing)  U3-3 Manufacture of pressure vessels at the above location and field…

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SECTION VIII, Division 1 – PRESSURE VESSELS U, UM, UV, UD and PRT Certificates

(U) Pressure Vessels (Div. 1) U-1 Manufacture of pressure vessels at the above location only U-2 Manufacture of pressure vessels at the above location only (This authorization includes mass produced pressure vessels)  U-3 Manufacture of pressure vessels at the above location only (This authorization does…

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SECTION IV – HEATING BOILERS AND WATER HEATERS H, HLW, HV and PRT Certificates

(H) Heating Boilers/Cast Iron Sectional Heating Boilers H-1 Heating boilers except cast iron and cast aluminum at the above location only  H-2 Heating boilers except cast iron and cast aluminum at the above location only (This authorization includes mass produced heating boilers)  H-3 Heating boilers…

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GALVANIZED COATING THICKNESS REQUIREMENT ASTM A123

ASTM A123/A123M covers individual steel pieces as well as assemblies of various classes of material. The six material categories covered in ASTM A123/A123M include structural shapes, plate, strip and bar, pipe and tubing, wire, and reinforcing bar. A fabrication can have more than one material category such as a frame assembly.…

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