What is meant by cold-drawn flat bars, or how are they produced?
Cold-drawn flat bars are steel bars that are cold-drawn to obtain the required section and cross-section dimensions. Their production involves several steps: first, sweeping and descale cleaning to remove any contaminant or surface characteristics of hot-rolled steel bars. Then, the bars pass through dies or rollers to decrease cross-sectional area and increase length—cold drawing is done at room temperature.
Cold drawing confers many desirable properties to flat bars, such as improved surface finish, tighter dimensional tolerances, enhanced strength and straightness. Cold drawing, followed by cutting to customer requirements, base dimensions may need to be cut to the required lengths before cutting into the required length can be accomplished. There is a need to control this complicated process of cold drawing flat bars to have improved mechanical and dimension characteristics.
What benefits do cold-drawn flat bars have over other steel bars?
Cold-drawn flat bars have the following advantages over other steel bars. The cold drawing process makes cold-drawn bars possess some of the best features, such as close tolerances and smooth surface finish, which makes thickness/width measurements closely controlled and suitable for applications requiring close tolerance. In addition, cold drawing brings the steel grain structure into parallel orientation, increasing the strength, toughness, and fatigue resistance of these bars, making them more suitable for applications with increased strength and durability.
Cold-drawn flat bars are free from high residual stresses, and therefore, machining and welding are easier, and fabrication is quicker. They have low friction coefficients and are wearable in sliding or rotating applications, not forgetting the availability of different sizes and materials to allow the designers to be as creative as they want. Therefore, cold-drawn flat bars are widely used in construction, manufacturing, automobile, aerospace, and other industries.
Size range | Width: 40 mm to 100 mm, Thickness: 4.76 mm to 25.4 mm |
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Size Tolerances | H11 and ASTM A 484 |
Length | 2 metres - 6 metres ( 8 feet to 20 feet) |
Length Tolerance | Available in special cut to length bars in tolerance -0/+10 mm (-0/+0.5 inch) |
Surface Finish | Cold Drawn and Belt Polished Condition |
Heat Treatment | Solution Annealed |
Grades | AISI: 303, 304L, 316L, 316Ti, 321 DIN: 1.4305, 1.4307, 1.4404, 1.4571, 1.4541 |
Bars Cutting |
Products cut include Round bars, flat bars, hex bars, square bars, tubing and hollow bars, Pipe, angles, channels, beams and tees. Thickness range is 1/16″ to 28″ diameter |
Bars Production Cutting |
We can provide production cutting for product diameters up to 4″. We utilize production equipment to achieve these Hexagon cuts with tight tolerances. |
Bars Polishing |
Products polished included all tubular products, with OD & ID polishing available, round bars, square bars, hex & flat bars, angles, uneven leg angles, beams, and other shapes. |
Cold Drawn Flat Bars in Shaft Making
Cold Drawn Flat Bars in Automobiles
Cold Drawn Flat Bars in Electric Motors & Pumps
Cold Drawn Flat Bars in Railways
Cold Drawn Flat Bars in Mining
Cold Drawn Flat Bars in Miscellaneous Fabrication
Your #1 Source for Stainless Steel Cold Drawn Flat Bars
Cold Drawn Flat Bars & Rods Stock Availability
Polished Cold Drawn Flat Bars
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Bright Cold Drawn Flat Bar
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