Hot Rolled Steel Doors

The rolls induce plastic deformation.
Hot rolled steel doors. Stl362 series blast fire rated. Cold formed steel structural members are shapes commonly manufactured from steel plate sheet metal or strip material. These characteristics are key when designing a project. We use hot rolled steel and clean the original mill scale of the steel to a blue black finish that has a clean durable classic industrial look.
One of the primary functions of sing hot rolled steel products is in the area of commercial steel entry doors. Integra series mw 40 heavy intermediate. The difference relates to the way these metals are processed at the mill and not the product specification or grade. The hot rolled steel shapes are formed from steel ingots heated to extreme temperatures while the cold formed steel shapes are formed at room temperature.
Steel windows and doors are field glazed for a variety of reasons. Milano series mw 30 heavy intermediate. This means all the exquisite aesthetic potential of steel is maintained including structural strength for virtually unlimited window size extremely narrow frame dimensions and maximum glass area for. Founded in the 1800 s crittall windows ltd.
Hot rolled steel involves rolling the steel at high temperatures where cold rolled steel is processed further in cold. Sing hot rolled steel takes metal working into a whole new arena that is being embraced by steel companies making huge hot rolled steel products without having to use heavy steel framing. Cold rolled steel crs is suitable for most interior applications is uncoated steel and requires a coat of primer. Customers often ask us about hot rolled steel and cold rolled steel.
Crittall is the world s oldest and remains the largest steel window manufacturing company today. Galvannealed steel a is basic steel coated with an iron zinc alloy. Optimum s reliant line of steel windows and doors offers reliability and versatility. Fully welded hot rolled steel window door systems.
Thus the yield strength of cold rolled steel is higher than that of hot rolled steel. As an example a hot rolled steel product may have a yield strength of 235 mpa. Hot rolled steel windows doors. With patented thermal evolution technology hope s is the only manufacturer of solid hot rolled steel windows and doors with a thermal break.
The three most common steel types are cold rolled steel galvannealed steel and galvanized steel. Our blackened hot rolled finish is simple. Actual colors in finish may vary slightly from sample image shown. It provides excellent corrosion protection when combined with a coating of quality prime paint and.
In comparison a cold rolled steel product with the same chemical composition has a yield strength of 365 mpa. Is the pioneer of hot rolled steel windows and is responsible for setting up the first steel window manufacturing plants in the united states and throughout the world. Victoria series mw 50 standard intermediate.