What are Cold Finished Rounds?
Cold Finished Rounds (CF) are cold drawn round steels. These metal bars are produced through a cold deformation process. As a result, the steel gets a smoother surface, improved mechanical properties, and tighter tolerances compared to hot-rolled round steels. To achieve the surface quality and tight tolerances, Cold Finished Rounds are cold drawn, smoothly turned, ground, or ground and polished. • Cold drawing - Pulling the steel through a die set. |
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SHOP COLD FINISHED ROUNDS ONLINE
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ADVANTAGES OF COLD FINISHED ROUNDS
• Cold drawing can achieve very precise size and roundness tolerances.
• Cold-processed steels have a smoother and cleaner surface compared to hot-rolled steels.
• The cold-processing method alters the microstructure of the steel, leading to an increase in tensile strength and yield point.
• In some cases, Cold Finished Rounds can offer improved machinability compared to their hot-rolled counterparts.
WHAT ARE COLD FINISHED ROUNDS USED FOR?
Cold Finished Rounds are well-suited for cold forming and bending due to their manufacturing process. CFRs are used in a wide range of applications.
APPLICATIONS FOR COLD FINISHED ROUNDS
Mechanical Engineering
Due to the dimensional accuracy and surface finish, Cold Finished Rounds are especially useful for parts that have high demands on precision and surface roughness, such as:
• Bearing sleeves
• Shafts
• Moving machine parts
Automotive Industry
Cold Finished Rounds are used in various components of vehicles, including:
• Steering systems
• Piston rods
• Hydraulic cylinders
• Parts requiring precise tolerances
Agricultural Machinery: Similar to mechanical engineering, Cold Finished Rounds are used here in components that have high requirements for strength and precision.
Construction: They can be used in various construction applications, especially when higher strength or accuracy is needed.
Tool Making: In this field, precise tolerances and a good surface finish, as with Cold Finished Rounds, are often of central importance.
HOW ARE COLD FINISHED ROUNDS MADE?
Cold Finished Rounds are manufactured in a cold forming process. Cold drawing refers to the mechanical forming process of steel where the material is processed at room temperature. As a result, the diameter of the round steel is reduced and the surface quality is improved.
The cold drawing process essentially includes the following steps:
1. Raw material: Shape steel by hot rolling into a suitable form
2. Drawing bench: Insert steel into a drawing machine
3. Drawing through a die: Steel is shaped into the desired cross-section
4. Increasing strength: Crystal lattice structures of the steel are realigned and compressed
5. Straightening and cutting: Ensuring the steel is straight
6. Finishing: The steel is smoothly turned, ground, or ground and polished.
The entire manufacturing process of Cold Finished Rounds is aimed at delivering steel of higher quality and tight tolerances compared to conventional hot-rolled round bars.
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