Cold Rolled Hot Dipped Galvanized Steel Coils

Loading Port:Shanghai

Payment Terms:TT OR LC

Min Order Qty:36 m.t.

Supply Capability:30000 m.t./month

Product Description:

BASE SUBSTRATE

Hot dip galvanized steel (HDGI), ZINCALUME STEEL COIL

GRADE

SGCC,ENG10142, DX51D, ASTM A653

ZINC COATING

30-200g

COIL WEIGHT

3-7TON

INTERNAL DIAMETER(ID)

508mm

THICKNESS

0.2-0.8 mm

WIDTH

914-1250mm

FINISHING

SMOOTH OR MATTE

PATTERN

MARBLE GRAIN OR WOOD GRAIN

PAINT

EXPOXY, POLYESTER, PVDF

TOP LACQURE COATING

>20 um

BACK LACQURE COATING

7 um

CAPABILITY

100000 TON per year

QUALITY QURANTEE

10 YEARS OF OUTDOOR USING FOR PE

Applications of Prepainted Galvanized Steel Coil:

 

1) Buildings and constructions: roofing, ceilings, gutters, venting lines, indoor decorations, window frames, etc.

2) Electrical appliances: computer shells, washing machines, refrigerators, dehumidifiers, video recorders, water heaters, etc.

3) Agricultural equipments: troughs, feeding tools, agricultural driers, irrigation channels, etc.

4) Vehicle parts: back-seat plates of buses and trucks, conveying systems, oil tanks, etc.

 

 

Coating Chief Feature

 

ProjectPencil hardnessReverse impactT bendingCupping testMEK cleaning
Front/back≥ H/2H≥ 9J/6J≤ 3T/5T≥ 6mm/4mm≥ 100time/50time

 

 

Structure of GI/PPGI

 

ItemThicknessTypeFeature
Laminated film

50μm

Polyethylene

Protecting from scratchs and contamination

(option)

Top coat

20μm

Polyester Fluorine

Chemical resistance and formability

Primer coat

5μm

Polyester

Workability, corrosion resistance and adhesion to the primer coating

Chemical treatment

1μm

Chromate

Good adhesion and corrosion resistance

Substrate

0.2mm-1.2mm

GI.GL,AL

GI.GL,AL

Back coat

 

5±2μm

 

Epoxy

Corrosion resistance and adhesion to the substrate