All About Galvanized (G.I.) and Black (B.I.) Iron Sheets

by | June 5, 2024

There are two types of metal sheets used in construction, the Galvanized Iron or G.I. and the Black Iron (B.I.) Sheet. The G.I. Sheet is a metal sheet coated with protective metallic and organic coatings that prevents rust. This is commonly used in automotive, wind, and solar industries. While the B.I. Sheet is made up of copper and aluminum. It is commonly used as a material for gate, and gutter fabrication.

Specifications

TKL offers G.I. and B.I. Sheets in various gauge or thickness in 4 by 8 feet size with ready stocks available. We also accept 6 x 20 feet orders.

G.I. Sheet (mm) – #26, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.8, 2.0, 2.2

B.I. Sheet (mm) – 0.5, 0.7, 0.9, 1.1, 1.3 (CR), 1.3 (HR), 2.0 2.3, 2.6, 3.0, 4.0, 5.0, 6.0, 7.5, 9.0, 10.0, 11.0, 15.0, 19.0, 25.0

Black Iron SizesGalvanized Iron Sizes

Uses of G.I. and B.I. Sheets

G.I. and B.I. Sheets have various uses in the construction sector. Here are some of the common applications.

G.I. Sheets
1. Door and wall panels
G.I. Sheets are used in fabricating door and wall panels due to its flat surface.

2. Roofing
G.I. Sheets have protective coating that make it an ideal material for roofing.

3. Home appliances
G.I. Sheets are also commonly used in home appliances as it is lightweight and can last for a long time.

Uses of Galvanized Iron

B.I. Sheets
1. Air condition and refrigeration systems
B.I. Sheets are used in cooling systems as it is lightweight and quite resistant to corrosion.

2. Automotive
B.I. Sheets are used in the automotive industry as flooring due to its thickness and sturdiness.

3. Outdoor billboards
B.I. Sheets are used for outdoor billboards due to their aesthetic qualities.

Uses of Black Iron

Advantages of using G.I. and B.I. Sheets

G.I. and B.I. Sheets are commonly used in various construction projects due to the following benefits:

1. Malleable
G.I. & B.I. sheets are malleable as it can be designed into a new shape without breaking.

2. Long-lasting
The lifespan of G.I. & B.I. sheets can last up to 50 years or more depending on how you clean or maintain it.

3. Cost-efficient
Compared to other construction materials, G.I. & B.I. sheets have a low cost making it an ideal material to use in construction if you have a limited budget.

4. Faster construction time
Since G.I. & B.I. sheets are ready to use, you can easily assemble and prepare it to use for construction.

GI and BI Advantages

Are you looking for a trusted steel supplier that provides good quality steel products at competitive prices? Contact TKL Steel Corporation, the trusted steel supplier in the industry with over 35 years of experience in valuing the trust of our customers and providing good quality steel products at competitive prices. For inquiries, you may reach us at 0917 808 8528, 0939 909 0146, (02) 8588 1155, email us at sales@tkl.com.ph or send us a message on our official Facebook page www.facebook.com/tklsteelph and our friendly sales associate will assist you with your steel requirements.

Sources:

10 real benefits of Galvanized Steel. Galvanizers Association of Australia. (n.d.). Retrieved April 27, 2022, from https://gaa.com.au/10-real-benefits-of-galvanized-steel/ 

Steel, T. (2022, April 11). 10 benefits of Galvanized Steel. Tampa Steel & Supply. Retrieved April 27, 2022, from https://tampasteel.com/benefits-of-galvanized-steel/ 

Lyons, K. (2019, July 5). Advantages and disadvantages of carbon steel (mild steel). MetalCut4u. Retrieved April 27, 2022, from https://metalscut4u.com/blog/post/advantages-and-disadvantages-of-carbon-steel-mild-steel.html

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