Classification

Item

Grade of  HDG

(CO)Commercial quality; (DQ)Drawing quality; (DDQ)Deep drawing quality; Structural quality

Technical standard

and Material of HDG

En10143/DX51D+Z; JIS G3302/SGCC; ASTM A653/CQ

Surface treatment

Chromed passivation; Passivation without chromed; Oiled(Slightly oiled or dry); Skinpassed

Surface structure

Regular(Normal)spangle; Small(Minimum)spangle; Zero(No)spangle

Properties of HDG

High corrosion resistance; High forming processability; Good welding performance

Applications

General purpose;  Building material; Structure purpose; Deep drawing

Specifications

Thickness:0.12-3.5mm; Width:20-850mm; Zinc coating:50-275g/㎡