GI coil is thin steel sheet in coil dipped in liquid zinc tank then there will be a layer of zinc coating on the surface of the thin steel coil. At present, the main manufacturing technique is continuous hot dip galvanizing which means dip the steel coil in the zinc liquid continually, then black steel coil becomes hot dipped galvanized iron coil as know as GI coil or HDG coil.
Hot-Dipped Galvanized Steel Coil GI Coil HDG Coil
SGCC (DX51D+Z), SGCD (DX52D+Z), DX53D, DX54D
Comply with standard or requirements
JIS G3002, GB/T251B, DIN 1012,ASTM A526
Zero spangles, Big spangle, Small spangles
Hot-dipped galvanized steel coil means steel sheet in melting zinc tank, the sticking of a layer of zinc sheet. At present mainly adopts continuous galvanizing process, namely the continuous roll of steel plate in the melt zinc plating tank made of hot dipped galvanized steel coil. This kind of steel coil is made by hot dip method, but after the slot, immediately heated to a temperature of about 500 ℃, it make the generation of zinc and iron alloy membrane. This kind of galvanized steel coil volumes with good coating of the sex and weldability. Due to the plating process to deal with in a different way, there are different surface state for hot dipped galvanized steel coil, such as ordinary zinc spangle, small spangle, zero spangle and phosphating treatment surface, etc. Zinc Coated hot dipped Galvanized Steel coil/coil/banding/GI coil/ppgi DC01 based sheet construction usage prime prepainted galvalume steel coil with surface processing galvanized, galvalume, color coating. Application for got dipped galvanized steel coil is using in building material, roofing, household appliance, tube making, construction.
Feature for GI coil is with good performance, highly precise, high straightness, high evenness and surface finishing, uniform thickness, easy for coating process, high tensile strength, high pressing property and low yield point.
Package for hot dipped galvanized steel coil:
1.Water proof paper is inner packing.
2.Hot dipped galvanized steel or coated steel sheet is outer packing .
3.GI coil is fixed with side guard steel plate.
4.wrapped by seven steel belt .
5.wooden pallet package.