Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of galvanized steel coil for corrugated roofing sheets in China. Welcome to wholesale customized galvanized steel coil for corrugated roofing sheets at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
Cold rolled galvanized steel coil:
Galvanized steel coils are widely used in the manufacture of corrugated roofing sheets. The galvanizing process involves coating steel with a layer of zinc, which helps protect the underlying steel from rust and corrosion. Corrugated roof panels made from galvanized steel coils are commonly used in construction for roofing applications. The corrugated shape provides structural strength and allows for efficient water runoff.
Galvanized Steel Coil description:
| Thick | 0.12 ~6.0 mm |
| Width | 600-1500 mm |
| Zinc Coating | 30~600G/M2 |
| Coil ID | 508 / 610MM |
| Coil Weight | 3-5 Tons |
| Standard | ASTM-A653; JIS G3302; EN10147;etc |
| Payment Terms | T/T, LC |
| Regular Order | 25 tons or one container, for less quantity, to contact with us for details |
| Hardness | Soft hard(HRB60),medium hard(HRB60-85),full hard(HRB85-95) |
| Surface Structure | Regular spangle,Minimum spangle, Zero spangle, Big spangle |
| Surface Treatment | Chromated/Non-Chromated, Oiled/Non-oiled, Skin pass |
| STEEL
GRADE |
CHEMICAL COMPOSITION % |
MECHANIC PROPERTY | C.B OF COATING | ||||||
| C | Si | Mn | S | p | T.S | Y.S | E.L | ||
| x103 | x103 | x102 | x103 | x103 | Mpa | Mpa | % | d=180 | |
| JIS G3302
|
12 | 30 | 41 | 31 | 21 | 480 | 300 | 13 | OK |
| JIS G3302
|
12 | 10 | 21 | 18 | 6 | 680 | 650 | 20 | OK |
| ASTM 653
CS.B |
29 | 30 | 60 | 35 | 30 | 386 | 250-380 | 20 | OK |
| DX51D+Z | 20 | 21 | 18 | 1.8 | 11 | 355 | 245 | 38 | OK |
| G550 | 12 | 6 | 73 | 5 | 17 | 715 | 654 | 8 |
OK |
Galvanized steel is used in a wide range of products, typically in the construction industry for facade and roofing materials, including chimney pipes, corrugated sheets, gutters and all systems exposed to high humidity. It is also used in agricultural equipment in granaries and barns.
What's the difference between corrugated steel and galvanized steel?
Traditional galvanized metal roofing is a corrugated carbon steel sheet with a galvanized coating. The coating is created by dipping the straight sheet in hot molten zinc. The zinc ions bond with iron molecules in the steel to create a shiny, rust-resistant surface finish. This process is called galvanization.
Which metal is used to galvanize roof panels?
Galvanised roofing sheets are a sustainable and recyclable product and because it has been treated with a zinc coating, galvanised roofing sheets will last longer, ensuring a lower impact on the environment. The material can also be reused if its properties have not had too much use over time.
Galvanized Steel Coil And sheet:

Galvanized steel sheet roll show:

Galvanized Steel Coil Application:


Galvanized Steel Coil for Corrugated Roofing Sheets:

Galvanized steel coil transportation:

About GNEE:

FAQ:
Q1: Do you have products in stock?
A: We have products in stock. In addition, we can produce for your order.
Q2: Do you provide after-sales service?
A: Of course. We have a complete after-sales service system, if you have any questions, please feel free to contact us. We will do our best to satisfy you.
Q3: What kind of work does your company do?
A: Our company is a professional manufacturer. We mainly produce carbon steel sheets/coils, galvanized sheets/coils, PPGI coils, roofing sheets, etc.
Q4: What are the advantages of your company?
A: We have internationally advanced production equipment, large-scale factories, strong company strength, perfect products and reliable quality.
Q5: Are you a galvanized steel coil factory or a trading company?
A: We are a professional steel factory with many years of experience, perfect manufacturing technology and quality assurance!
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