What is PPGI ?
PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate.
The term is an extension of GI which is a traditional abbreviation for Galvanized Iron. Today the term GI typically refers to essentially pure zinc (>99%) continuously hot dip coated steel, as opposed to batch dip processes. PPGI refers to factory pre-painted zinc coated steel, where the steel is painted before forming, as opposed to post painting which occurs after forming.
The hot dip metallic coating process is also used to manufacture steel sheet and coil with coatings of aluminium, or alloy coatings of zinc/aluminium, zinc/iron and zinc/aluminium/magnesium which may also be factory pre-painted. While GI may sometimes be used as a collective term for various hot dip metallic coated steels, it more precisely refers only to zinc coated steel. Similarly, PPGI may sometimes be used as a general term for a range of metallic coated steels that have been pre-painted, but more often refers more precisely to pre-painted zinc coated steel.
Specifications:
| Commodity | PPGI |
| Standard | GBT2518-2008 , ASTM A653 , JIS G3302-1998 , EN 10142-2000 |
| Grade | SGCC ,DX51D+Z ,DX52D+Z ,DX53D+Z ,DX54D+Z ,Q195 ,Q235 ,Q345 |
| Thickness | 0.1mm-2.0mm |
| Width | 600mm-1500mm |
| Zinc coating | Z30-Z275g/m2, according to customers' requests |
| Surface Treatment | chromed,skin pass, oiled, unoiled, slightly oiled, dry |
| Package | Standard export sea-worthy package,such as: bare packing, bundle packing,wooden carton packing |
| Application | Mainly used in Construction, machinery manufacturing, iron and steel construction projects, shipbuilding, solar power support, steel structure engineering, power engineering, power plant, agriculture and chemical machinery, glass curtain wall, automobile chassis, airport, etc. |
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