The appearance defect of Hot Dipped Galvanized Steel Sheet(1)
(1) Raw material steel sheet defectsSurface defects of the raw material steel sheet, such as creases, pits, wavy edges, etc....
The appearance defect of GI steel coil (2)
The appearance defect of GI steel coil (6) Slag inclusionThe galvanizing solution has residues or scum (metallic or non-meta...
The difference between Hot dipped galvanized steel and cold rolled steel
1. The base material is different.An ordinary cold-rolled sheet is a product obtained from a hot-rolled sheet by cold pressi...
Hot Dip Galvalume Steel Sheet and galvanized steel sheet
Hot Dip Galvalume Steel Sheet and galvanized sheet which is better? the Hot-Dip Galvalume Steel Sheet is better; it is a lit...
The thicker the zinc coating and paint coating, the longer the service life of the Pre Painted Steel Coil?
Zinc/AZ coatingThe thickness of the coating is the essential guarantee condition for corrosion resistance. The thicker the c...
Production and Development of Prepainted Aluzinc Steel Coil
Production and Development of Prepainted Aluzinc Steel Coil1.1 The production and development history of Prepainted Aluzinc ...
Steel coil production Process
1. PPGI/PPGL/colour coated steel coil production process
Forming spangles method for galvanized iron sheet
Forming spangles method--galvanized iron sheetThe method of forming spangles is to generate a large number of crystalline nu...
PPGL steel coil-Neutral salt spray test
PPGL steel coil-Neutral salt spray testThe neutral salt spray test simulates the environment of the ocean or the climate of ...
Colour Coated Steel Coil Ultraviolet Lamp (UV) Aging Test
Colour Coated Steel Coil Ultraviolet Lamp (UV) Aging TestUV aging test is a test method that uses artificial light sources t...