Steel Rolled Sections
0 373 mm to about in.
Steel rolled sections. Hot rolled steel hot rolling is a mill process which involves rolling the steel at a high temperature typically at a temperature over 1700 f which is above the steel s recrystallization temperature. They are often used as trims edgings frames and structural components. Zee sections also known as z bars or z sections are common roll formed shapes often used as or integral to mounting brackets supports purlins tracks and slides and reinforcements.
In new zealand 300plus s0 is the standard grade for the range of universal beams and columns shown in table 1. Roll forming roll bending or plate rolling is a continuous bending operation in which a long strip of metal typically coiled steel is passed through consecutive sets of rolls or stands each performing only an incremental part of the bend until the desired cross section profile is obtained. 300plus steel for hot rolled products is produced to exceed the minimum requirements of as nzs 3679 1 grade 300.
The material thicknesses for such thin walled steel members usually range from 0 0147 in. The first category includes rolled sections of section steel that are shaped like circles rectangles squares ovals hexagons or segments of these and other simple geometric figures. 300plus steel is the standard grade manufactured by onesteel for hot rolled structural steel sections for australia.
A metal part produced by rolling and having any one of a number of cross sectional shapes. The rolled steel tee sections are classified into the following five series as per isi. It contains two legs.
Zee sections provide multiple surfaces for mounting support and fastening. Roll forming is ideal for producing parts with long lengths or in large quantities. Rolled angle sections angle sections are manufactured in l shape.
When steel is above the recrystallization temperature it can be shaped and formed easily and the steel can be made in much larger sizes. Steel sections are suitable for use in a range of sectors and have been used to build tools vehicles walkways bridges buildings and more. 14 types of rolled steel sections shapes sizes and properties 1.