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### Is rebar hot rolled or cold rolled?
Rebar is typically hot rolled. .
### What is the difference between hot rolled and cold rolled rebar?
Hot rolled rebar is produced by heating steel ingots to high temperatures and then rolling them into the desired shape. This process creates rebar with a rough surface and rounded edges. .
Cold rolled rebar, on the other hand, is produced by cooling hot rolled rebar and then cold working it to achieve the desired shape. This process results in rebar with a smooth surface and sharp edges. .
The main difference between the two types of rebar lies in their mechanical properties. Hot rolled rebar tends to have higher strength but lower ductility, while cold rolled rebar has lower strength but higher ductility. .
In general, hot rolled rebar is more commonly used in construction projects where strength is the primary concern, while cold rolled rebar may be preferred for applications where ductility and flexibility are more important.
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