THERMAL GALVANISED SHEET

 

Inside diameter of steel roll: dia.508mm, dia.610mm

Galvanization speed: 25-150m/min

Outside diameter of steel roll: 2100mm(maximum)

Product thickness: 0.20-1.20mm

Weight of steel roll: 8-20t

Product width: 800-1250m

Galvanization weight: 90-350g/m2(double surface)

Product grade: SGCC, SGCD1, SGCD2

Product standard: JIS G3302(Japan), GB2518(China)

 

THERMAL GALVANIZATION PRODUCT TYPE

°°
Symbol
Surface structure
Feature
Application
Z
Normal spangle
Spangle gained from crystallization at normal cooling speed
Normal application
X
Small spangle
Small spangle gained from spraying fluid to zinc layer or adjusting zinc fluid components
Suitable for color coating base plate and abnormal spangle requirement
GZ
Polishing spangle
Polishing treatment
Suitable for color coating base plate and high surface cleanliness application

°°

MECHANICAL PROPERTY

Grade
Steel
Zinc layer
Suitable range
Yield point Mpa
Tensile strength Mpa
Extensibility(%)
Zinc layer symbol
180°„bending test d-Bending diameter a-Test sample thickness
---
PT(SGCC)
---
---
---
001-275
d=1a
For producing product with simple shape
JY(SGCC)
---
270-500
---
001-275
d=0
---
SC(SGCD)
---
270-380
°›30
001-275
d=0
For producing mechanic meshing product with chickness °‹1.2mm and rolling meshing product with thickness °‹0.9mm and normal shape

 

SURFACE TREATMENT
Symlol
Application
L
Normal application
Y
Lubricating oil
LY
Chromic aid passivation and adding lubricating oil

 

COLOR COATED SHEET
°°

Inside diameter of steel roll: dia.508mm

Product coating: Polyester resin

Color coating speed: 80m/min

Outside diameter of steel roll: dia.1500(maximum)

Coating way: 2C/2B, 2C/1B

Product thickness: 0.20-1.00mm

Product width: 800-1250mm

Product standard: JIS G3312(Japan), GB/T12754(China)

 

 

COLOR COATING PRODUCT

Color coating plate grade
Base plate grade
Application
TDC51D+Z
DC51D+Z
Normal application
TDC52D+Z
DC52D+Z
For punching
TDC53D+Z
DC53D+Z
For deep punching
 
°°

COLOR COATING CLASSIFICATION
 
Classification
Item
Symbol
Application
External surface of building
JW
Internal surface of building
JN
Household electric appliance
JD
Other
QT
---
Coating plate
TC
Embossed plate
YA
Front face coating type
Polyester
PE
Coating structure
Two layers on front face and one layer on reverse face
2/1
Two layers on front face and two layers on reverse face
2/2

 

 

MECHANICAL PROPERTY

Grade
Yield point Mpa
Tensile strength Mpa
Extensibility %
Nominal thickness(mm)
---
---
---
°‹0.70
>0.70
DC51D+Z
---
270-500
20
22
DC52D+Z
140-300
270-420
24
26
DC53D+Z
140-260
270-380
28
30