Base metal

Hot galvanized steel

Standard

ASTM A653M/A924M 1998,JIS G3302,JIS G3312

Grade

DX51D,SGCC,SPCC,SGCH

Thickness

0.16-1.2mm

Width

600-1200mm

Coil Weight

3-7ton

Quality:

DX51D

Color

all RAL colors( standard international color) or customers samples color

Zinc Coating

60-120g/m2

Coil ID

508mm-610mm

Surface Protection

PE,PVDF,SMP,HDP

Surface Treatment

Chromate,oil/unoil,bright finish,spangle,anti-finger

Packing

standard export package

technique

cold rolled, hot-dipped galvanizing, color coated

painting

Top and bottom:20mic+5mic RMP
Back:6mic-8mic

tolerance

 Thickness:+/-0.02mm
Width: +/-2mm

Category of Painting

Item

Code

Polyester

PE

High-durability polyester

HDP

Silicon modified polyesters

SMP

Polyvinylidene fluoride

PVDF

Easy-Cleaning

—

Painting Thickness

Top side: 20-25um;

Bottom side: 7~12microns.

Color System

Produce according to RAL Color System,RR Color or as per buyer’s color sample.

Painting structure

Top surface

Bottom surface

Primer coating

No coating

1/0

Primer coating

Primer coating

1/1

Primer coating + Finish coating

No coating

2/0

Primer coating + Finish coating

Primer coating or single back coating

2/1

Primer coating + Finish coating

Primer coating + Finish back coating

Chemical Composition

GRADE

C

Si

Mn

P

S

Ti

SGCC/DX51D+Z

≤0.10

≤0.50

≤0.60

≤0.10

≤0.030

≤0.020

DX52D+Z

≤0.10

≤0.50

≤0.60

≤0.10

≤0.030

≤0.020

SGCD/DX53D+Z

≤0.10

≤0.30

≤0.50

≤0.05

≤0.030

≤0.020

SGCE/DX54D+Z

≤0.10

≤0.30

≤0.30

≤0.03

≤0.020

≤0.020

DX56D+Z

≤0.10

≤0.30

≤0.30

≤0.03

≤0.020

≤0.020

Structural

≤0.20

≤0.60

≤1.70

≤0.10

≤0.045