What is the area of the 7 wire strand?
Prestressing 7-Wire Strands - voestalpine Wire Technology
In the prestressing steel sector, we supply prestressing 7-wire strands to meet the most demanding customer requirements. Using an integrated production chain allows us to provide the continuous quality inspections and product traceability needed.
Contact us to discuss your requirements of 1x7 PC Strand. Our experienced sales team can help you identify the options that best suit your needs.
With our prestressing products we are a reliable partner to our customers in the railway infrastructure, construction, energy and precast concrete industries. Our prestressing 7-wire strands are used in products including preloaded prefabricated parts, in bridge construction, as rock anchors, for large containers, or in hoisting technology for lifting heavy loads.
Our prestressing 7-wire strands are supplied with cross-sectional areas ranging from 52 mm² to 150 mm², depending on customer requirements, and with smooth or profiled surfaces. Compacted prestressing 7-wire strands have a cross-sectional area of 165 mm². All strands exhibit very low relaxation.
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voestalpine Wire Technology also manufactures a variety of rod dimensions with plastic sheathing. They can be oiled, galvanized, greased or waxed for additional corrosion resistance. Due to their excellent properties, these products are suited for a wide variety of uses.
Understanding the Area of the 7-Wire Strand
What is the Area of the 7-Wire Strand?
The area of a 7-wire strand is determined by its cross-sectional area. Each 7-wire strand consists of a central wire surrounded by six outer wires. The central wire typically has a larger diameter than the outer wires, making the calculation of the nominal diameter more complex than simply summing the diameters of each wire.
Nominal Cross-Sectional Area Calculation
This document discusses the nominal cross-sectional area of 7-wire strands. Due to the central wire's larger diameter, the nominal diameter of the strand is not calculated by summing the areas of each wire. Instead, the nominal area is determined using the strand's density and weight per unit length. An example calculation is provided to illustrate how to determine the nominal area of 7-wire strands with different diameters using these properties.
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