
Z275 Galvanized Coil
Category:
Galvanized Steel Coil
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Z275 Galvanized Coil
PRODUCT DETAILS
Z275 Galvanized Coil Description
The galvanized steel coil Z275 is a double-sided galvanized carbon steel sheet. This is produced by a metal coating process that passes cold rolled coils through a bath filled with molten zinc. This continuous hot-dip plating or also known as electro-galvanizing is the main process that these carbon steel sheets must go through to produce coils and galvanized sheets. The process consists of applying zinc by electrolytic treatment. After the sheet is subjected to this treatment, a layer of zinc is adhered to the base metal through the iron and zinc bonding layer.
Galvanizing is a well-known and effective method to add a protective layer to prevent the exposed steel from being corroded by natural elements. Zinc not only acts as a barrier between the environment and the steel, but it also decomposes first to protect the underlying steel and extend its service life.
Scope of Application
Galvanizing products are widely used in industry, agriculture, animal husbandry and fishery, energy, transportation, chemical industry, light industry, home appliances, construction, communications, national defense and other fields.
Product Parameters
Product Name |
Z275 Galvanized Coil |
Thickness |
0.12mm-3.5mm |
Width |
600mm-1500mm |
Length |
508mm/610mm, Support Customization |
Standard |
AISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc. |
Zinc Layer |
Hot Galvanizing: 60-275g/m² |
Pre-galvanized: 80-275g/m² |
Chemical Composition
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ti |
Forcold Forming Chinese Standard |
DX51D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
DX52D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX53D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX54D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX56D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX57D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
Forcold Forming Japanese Standard |
SGCC |
0.15 |
0.50 |
0.80 |
0.050 |
0.030 |
0.025 |
SGCD1 |
0.12 |
0.50 |
0.60 |
0.040 |
0.030 |
0.025 |
|
SGCD3 |
0.08 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
SGCD4 |
0.06 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
For Structure Japanese Standard |
SGC340 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.025 |
SGC400 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.150 |
|
SGC490 |
0.30 |
0.50 |
2.00 |
0.200 |
0.035 |
0.025 |
|
SGC510 |
0.30 |
0.50 |
2.50 |
0.200 |
0.035 |
0.025 |
|
For Structure AISI Standard |
S220GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
S250GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
S280GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
S320GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
S350GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
|
S550GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
Mechanical Properties
Grade |
Yield Strength MPa≥ |
Tensile Strength MPa≥ |
Elongation A%≥ |
DX51D Z/ZM/AZ/AM |
240-380 |
270-500 |
22 |
DX52D Z/ZM/AZ/AM |
140-300 |
270-420 |
26 |
DX53D Z/ZM/AZ/AM |
140-260 |
270-380 |
30 |
DX54D Z/ZM/AZ/AM |
120-220 |
260-350 |
36 |
S220GD Z/ZM/AM |
220 |
300 |
20 |
S250GD Z/ZM/AZ/AM |
250 |
330 |
19 |
S280GD Z/ZM/AM |
280 |
360 |
18 |
S300GD A/AM |
300 |
380 |
18 |
S320GD Z/ZM/AM |
320 |
390 |
17 |
S350GD Z/ZM/AZ/AM |
350 |
420 |
16 |
S450GD A/AM |
450 |
480 |
15 |
S550GD Z/ZM/AZ/AM |
550 |
550 |
- |
Galvanized Surface Selection
Zero Spangle |
Minimized Spangle |
Normal Spangle |
Large Spangle |
|
|
|
|
Use of The Environment |
Recommended Zinc Thickness |
Indoor Use |
Z10 or Z12 (100g/㎡or 120g/㎡) |
Suburbs |
Z20 and Painting (200g/㎡) |
Urban or Industrial Area |
Z27 (270g/㎡) or G90 (US Standard) and painted |
Coastal Area |
Thicker than Z27 (270g/㎡) or G90 (US Standard) and painted |
Punch or Deep Drawing Application |
Thicker than Z27 (270grams/㎡) or G90 (US Standard) avoid coating peeling after stamping |
Surface Treatment Type |
Code |
Features |
Chromic Acid Treatment |
C |
Good corrosion resistance, suitable for bare state |
Chromic Acid Treatment+Oiling |
S |
Good corrosion resistance |
Phosphoric Acid Treatment (Including Sealing Treatment) |
P |
Have a certain corrosion resistance, good paint performance |
Phosphoric Acid Treatment (Including Sealing Treatment)+Oiling |
Q |
Has a certain corrosion resistance, good paint performance, prevent rust during transportation and storage |
Phosphoric Acid Treatment (Excluding Sealing Treatment) |
T |
Have a certain corrosion resistance, good paint performance |
Phosphoric Acid Treatment (Excluding Sealing Treatment)+Oiling |
V |
Has a certain corrosion resistance, good paint performance, and prevent rust |
Oiling |
O |
Prevent rust during transportation and storage |
No Treatment |
M |
Suitable for immediate painting |
Material Comparison
Chinese Standard |
Japan Standard |
European Standard |
DX51D Z/DC51D Z (CR) |
SGCC |
DX51D Z |
DX52D Z/DC52D Z |
SGCD1 |
DX52D With |
DX53D Z/DC53D Z/DX54D Z/DC54D Z |
SGCD2/SGCD3 |
DX53D Z/DX54D Z |
S220/250/280/320/350/550GD Z |
SGC340/400/440/490/570 |
S220/250/280/320/350GD Z |
DX51D Z/DD51D Z (HR) |
SGHC |
DX51D Z |
Packing And Delivery
Our advantage
experience
Many years of steel experience

01
cooperate
Good cooperative relationship

02
Source
Stable source

03
R&D
Gorgeous R & D strength

04
quality
Reliable quality assurance

05
test
Strict quality test

06
Production





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