SGC490 High Strength Galvanized Steel Corrugated Roof Panel For Building Construction

Brand Name:HYX
Certification:CE, Bis, SABS, Ks, JIS, GS, ISO9001
Model Number:SGC490
Minimum Order Quantity:1Ton
Delivery Time:7-15days
Payment Terms:T/T,L/C
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Verified Supplier
Location: Liaocheng Shandong China
Address: Dadonggang, East Head of Liaohe Road, Liaocheng Economic and Technological Development Zone, Shandong Province
Supplier`s last login times: within 3 hours
Product Details Company Profile
Product Details
Galvanized roof shingles are made of galvanized steel sheet used for roofing and coated with zinc. The zinc coating provides moisture and oxygen protection for the base steel. According to the galvanizing process, it can be divided into hot-dip galvanized steel plate and electro-galvanized steel plate. The corrugated design improves its strength and enable it to withstand harsh weather conditions.

Common designs of galvanized corrugated roof sheet include wavy, trapezoidal designs, ribbed galvanized roof panels, etc. It can be used as a single-layer board, covering an existing roof, or a steel sandwich panel. Galvanized sheet itself is more cost-effective than traditional roofing materials. In addition, it is light in weight and easy and quick to install. In addition, it is durable and recyclable and requires less maintenance. All these factors make galvanized roof panels an economical choice. Galvanized steel roof panels have a bright and smooth surface. The corrugated design is also excellent from the outside. In addition, it has good adhesion, so you can paint it in different colors. Having a galvanized steel roof makes it easy to achieve aesthetic purposes.


Scope of Application

Galvanized corrugated roof panels have good corrosion resistance and long service life. Therefore, it is widely used in industry, commerce, residence and agriculture. Its wide application includes temporary houses, garages, greenhouses, warehouses, barns, stables, sheds, factories, commercial buildings, etc.


Product Parameters

Product NameGalvanized Corrugated Roof 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
SGCD1SGCD20.120.100.500.500.600.450.0400.0300.0300.0300.0250.025
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
SGC400SGC4400.250.250.500.501.702.000.2000.2000.0350.0350.1500.150
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+Z0.200.600.700.1000.0450.150
S550GD+Z0.200.600.700.1000.0450.150

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/AM35042016
S450GD A/AM45048015
S550GD Z/ZM/AZ/AM550550-

Galvanized Surface Selection

Zero SpangleMinimized SpangleNormal SpangleLarge Spangle






Use of The EnvironmentRecommended Zinc Thickness
Indoor UseZ10 or Z12 (100g/㎡or 120g/㎡)
SuburbsZ20 and Painting (200g/㎡)
Urban or Industrial AreaZ27 (270g/㎡) or G90 (US Standard) and painted
Coastal AreaThicker than Z27 (270g/㎡) or G90 (US Standard) and painted
Punch or Deep Drawing ApplicationThicker than Z27 (270grams/㎡) or G90 (US Standard) avoid coating peeling after stamping

Surface Treatment TypeCodeFeatures
Chromic Acid TreatmentCGood corrosion resistance, suitable for bare state
Chromic Acid Treatment+OilingSGood corrosion resistance
Phosphoric Acid Treatment (Including Sealing Treatment)PHave a certain corrosion resistance, good paint performance
Phosphoric Acid Treatment (Including Sealing Treatment)+OilingQHas a certain corrosion resistance, good paint performance, prevent rust during transportation and storage
Phosphoric Acid Treatment (Excluding Sealing Treatment)THave a certain corrosion resistance, good paint performance
Phosphoric Acid Treatment (Excluding Sealing Treatment)+OilingVHas a certain corrosion resistance, good paint performance, and prevent rust
OilingOPrevent rust during transportation and storage
No TreatmentMSuitable for immediate painting

Material Comparison

Chinese StandardJapan StandardEuropean Standard
DX51D Z/DC51D Z (CR)SGCCDX51D Z
DX52D Z/DC52D ZSGCD1DX52D 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

China SGC490 High Strength Galvanized Steel Corrugated Roof Panel For Building Construction supplier

SGC490 High Strength Galvanized Steel Corrugated Roof Panel For Building Construction

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