what are the cambers in heat
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In the world of structural steel, camber denotes a curve in the vertical plane; sweep denotes a curve in the horizontal plane. Steel members produced in a steel mill have at least some camber and some sweep. The allowed amount of deviation from straight is defined by the tolerances specified in ASTM A6/A6M.
The American Standards for Testing Materials (ASTM) is an international organization that creates and publishes a concensus of technical standards for a wide range of materials. A6/A6M is the standard specification for general requirements for rolled structural steel bars, plates, shapes, and sheet piling. (Note: “rolled” here means that the steel was produced by running it through rollers to create straight members.)
There are occasions, however, when camber and sweep are required in a structural steel application. For example, cambered beams may offer superior support in a building by reducing any sag from the weight of a concrete floor. A canopy may be supported by a beam with sweep that creates an edge curved the “easy way,” i.e. against the weak axis.
Camber can be induced in a structural member in several ways. Probably the most common is cambering on what is called a “cambering machine,” a device that holds a steel section at two points and then applies pressure through one or two hydraulic cylinders to a point between the two points.
The American Standards for Testing Materials (ASTM) is an international organization that creates and publishes a concensus of technical standards for a wide range of materials. A6/A6M is the standard specification for general requirements for rolled structural steel bars, plates, shapes, and sheet piling. (Note: “rolled” here means that the steel was produced by running it through rollers to create straight members.)
There are occasions, however, when camber and sweep are required in a structural steel application. For example, cambered beams may offer superior support in a building by reducing any sag from the weight of a concrete floor. A canopy may be supported by a beam with sweep that creates an edge curved the “easy way,” i.e. against the weak axis.
Camber can be induced in a structural member in several ways. Probably the most common is cambering on what is called a “cambering machine,” a device that holds a steel section at two points and then applies pressure through one or two hydraulic cylinders to a point between the two points.
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