The cold rolling process is a method of shaping steel rod into cold finished bar or wire. The rod is mechanically worked to its final shape by passing through a series of rolling mills at ambient temperature. Than pack it into oscillated wound coils or cut it to pieces bundles. Compared to other steel processing methods, cold rolled steel properties typically include a smoother, scale-free, finish; less material loss; tight manufacturing tolerances; a higher degree of customization; and up to 50% more tensile strength.
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Production Flow.
Raw Material: Wire rod
High-quality; low, medium or high carbon wire rods are used as the main material. Upon request, special quality wire rods can also be used.
Production - Cold Rolling
Production is made with our multiple cold rolling heads that integrated with automation systems.
Turkey rolling heads:
Final turkey rolling will finally ensure the precise size and profile
Surface Quality
Cold rolled flat wire products are made brighter with our cleaning systems.
Oscilatted Coils
With our special oscilating technology, continuous (multiple) windings are made without welding.
Cut into straight pieces if needed
We can straight and cut the wire from coils into customers' required straight pieces
Additional process
. According to different tensile strengths, annealing process maybe added
Production Dimensions
Production Dimensions * Oscilated coils or Cut to lenght production can be made. * Thickness tolerances +/-0,03mm * Width tolerances +/-0,05mm * More precise tolerances can be produced on demand. Size range of our cold rolled flat wire is below.
Parameter
Item
Value
Material steel
carbon steel grade
Thickness:
0.025” – 1.000” (0.64 mm – 25.0 mm)
Width
0.187” – 1.750” (4.75 mm – 44.45 mm)
Tolerances
Max +/- 0.001” (0.025 mm) Ra<0.4
Quality Control
Each product will be strictly tested before shipping
TO know if we can process your profile, send us drawing now!
Application Scenarios
Product packaging
Company Profile
Howire is a factory specialized in producing high precision cold rolling flat steel wire and custom shape steel wire. There is only 100kilometers distance to shanghai port, which saves the logistic costs for customers.
HOWIRE has two cold rolling machines. Each machine has five cold rolling heads. Multiple cold rolling heads can get final customized profile in on time rolling. This will save costs for customers in comparing to old technique like cold drawing, slitting and single rolling head machine.
Product from our production lines have the advantage of high precision and consistency. Our size tolerance can reach thickness +/-0.02mm, width +/-0.05mm, roughness< 0.4. We have professional inspection machines for testing the properties of each shipment.
Our product is widely used in kitchenware, hardware, automotive accessories and other industries. Our trapezoid profile strip is well used in wheel balance weights industry.
Howire offers nimble service and high-level technical expertise throughout every phase of your cold rolled steel project. Our team can provide engineering, design, FEA analysis and CAD support on the front end all the way to in-house lab testing, evaluation and documentation on the back end.
Our team of technical experts can perform thorough material testing to ensure your product meets your exact specifications. We have an in-house Quality Lab to provide the evaluation, testing, and documentation for your project. Howire offers different finish options along with custom tempers for cold rolled steel to get the desired propeties, like dual zone nitrogen/hydrogen annealing furnaces.
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