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