Z120 Galvanized Sheet
Z120 is the coating name, which means that the coating thickness on both sides is approximately 120g/㎡ or 36g/㎡ (three-point test). Z120 grade galvanized steel is coated with zinc to make it more durable.
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- Commodity name: Z120 Galvanized Sheet
Z120 is the coating name, which means that the coating thickness on both sides is approximately 120g/㎡ or 36g/㎡ (three-point test). Z120 grade galvanized steel is coated with zinc to make it more durable.
Z120 Galvanized Sheet Description
Galvanized sheet is a type of steel that is coated with zinc for protection by an electroplating process. The galvanized layer is applied to cold rolled steel at low temperatures. 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. Zinc is generally represented by Z. Z is the abbreviation of English Zinc. Z120 means that the galvanizing content is 120 grams per square meter. The number after Z indicates the average coating content at three points on both sides of the galvanized steel in grams per square meter
Scope of ApplicationGalvanizing 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
Z120 Galvanized Sheet
Thickness
0.12mm-6.00mm
Width
600mm-1500mm
Length
1m-12m, 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
SGCD20.12
0.100.50
0.500.60
0.450.040
0.0300.030
0.0300.025
0.025SGCD3
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
SGC4400.25
0.250.50
0.501.70
2.000.200
0.2000.035
0.0350.150
0.150SGC490
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
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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
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Z120 Galvanized Sheet - Stock Warehouse
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Z120 Galvanized Sheet - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
Z120 Galvanized Sheet - Product Measurement
Thickness Measurement Width Measurement Measurement Measurement -
Z120 Galvanized Sheet - Product Packaging
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