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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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PRODUCT DESCRIPTION

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 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 NameZ120 Galvanized Sheet
Thickness0.12mm-6.00mm
Width600mm-1500mm
Length1m-12m, Support Customization
StandardAISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc.
Zinc LayerHot Galvanizing: 60-275g/m²
Pre-galvanized: 80-275g/m²

Chemical Composition

StandardGradeCSiMnPSTi

Forcold Forming

Chinese Standard

DX51D+Z0.120.500.600.1000.0450.30
DX52D+Z0.120.500.600.1000.0450.30
DX53D+Z0.120.500.600.1000.0450.30
DX54D+Z0.120.500.600.1000.0450.30
DX56D+Z0.120.500.600.1000.0450.30
DX57D+Z0.120.500.600.1000.0450.30

Forcold Forming

Japanese Standard

SGCC0.150.500.800.0500.0300.025
SGCD10.120.500.600.0400.0300.025
SGCD20.100.500.450.0300.0300.025
SGCD30.080.500.450.0300.0300.025
SGCD40.060.500.450.0300.0300.025

For Structure

Japanese Standard

SGC3400.250.501.700.2000.0350.025
SGC4000.250.501.700.2000.0350.015
SGC4400.250.502.000.2000.0350.015
SGC4900.300.502.000.2000.0350.025
SGC5100.300.502.500.2000.0350.025

For Structure

AISI Standard

S220GD+Z0.200.600.700.1000.0450.025
S250GD+Z0.200.600.700.1000.0450.025
S280GD+Z0.200.600.700.1000.0450.025
S320GD+Z0.200.600.700.1000.0450.025
S350GD+Z0.200.600.700.1000.0450.015
S550GD+Z0.200.600.700.1000.0450.015

Mechanical Properties

GradeYield Strength MPa≥Tensile Strength MPa≥Elongation A%≥
DX51D Z/ZM/AZ/AM240-380270-50022
DX52D Z/ZM/AZ/AM140-300270-42026
DX53D Z/ZM/AZ/AM140-260270-38030
DX54D Z/ZM/AZ/AM120-220260-35036
S220GD Z/ZM/AM22030020
S250GD Z/ZM/AZ/AM25033019
S280GD Z/ZM/AM28036018
S300GD A/AM30038018
S320GD Z/ZM/AM32039017
S350GD Z/ZM/AZ/AM350420
16
S450GD A/AM45048015
S550GD Z/ZM/AZ/AM550550-

Galvanized Surface Selection1743651061766261848284643328.png

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Material Comparison

Chinese StandardJapan StandardEuropean Standard
DX51D Z/DC51D Z (CR)SGCCDX51D Z
DX52D Z/DC52D ZSGCD1

DX52D With

DX53D Z/DC53D Z/DX54D Z/DC54D ZSGCD2/SGCD3DX53D Z/DX54D Z
S220/250/280/320/350/550GD ZSGC340/400/440/490/570S220/250/280/320/350GD Z
DX51D Z/DD51D Z (HR)SGHCDX51D Z









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