Trusted Cold Bar Suppliers in India

• Molybdenum (Mo): 2-3% Increases resistance to pitting and crevice corrosion, critical for marine and chemical industry applications.
• Manganese (Mn): Max 2% Enhances toughness and wear resistance for extended durability.
• Silicon (Si): Max 1% Provides improved oxidation resistance and strength at high temperatures.

• Mechanical Properties:
• Tensile Strength: Ranges from 500 to 700 MPa, ensuring robust performance under high-pressure environments.
• Yield Strength: Up to 450 MPa, offering excellent durability.
• Elongation: Up to 20%, ensuring flexibility and resistance to cracking under stress.

This composition & properties complies with standards like ASTM A789, ensuring reliability and consistency of cold drawn metal bars for industrial applications.

Cold Drawn Flat Bars vs Cold Rolled Steel Bars

Cold Drawn Flat Bars and Cold Rolled Steel Bars are both manufactured through cold working processes, but they have key differences in their production and properties. Cold Drawn Flat Bars are created by pulling steel through a die, which results in precise dimensions, enhanced surface finish, and tighter tolerances. This process also improves the mechanical properties of the material, making it stronger and harder. In contrast, Cold Rolled Steel Bars are produced by passing steel through rollers to reduce thickness and achieve a uniform surface finish. While cold rolling improves thickness consistency, it generally does not enhance strength to the same extent as cold drawing. Both types of bars offer high strength but are suited for different applications depending on specific requirements.

1. Raw Material Selection: High-quality billets or hot-rolled stainless steel is chosen as the base material to ensure the final product's strength and durability.
2. Pickling: The material is chemically treated to remove surface impurities, such as scales and rust, ensuring a clean surface for drawing.
3. Cold Drawing: The cleaned steel is pulled through a die to achieve precise dimensions, improved surface finish, and enhanced mechanical properties.
4. Annealing: The bars are heat-treated to relieve internal stresses, improve ductility, and refine grain structure.
5. Straightening and Cutting: The drawn bars are straightened and cut to the required lengths, ensuring uniformity and accuracy.
6. Surface Finishing: Final polishing provides a smooth, bright surface, meeting export-grade standards.
7. Testing and Inspection: Rigorous quality checks, including mechanical and dimensional testing, are conducted to ensure compliance with international standards.

By combining hot and cold drawing techniques, we provide export-grade bright bars that adhere to the most stringent global standards.

Our products meet stringent global standards to ensure top-notch quality and reliability:

• ASTM A789: Standard specification for seamless and welded ferritic/austenitic stainless steel.
• ASTM A790: Covers seamless and welded stainless steel pipes for pressure and high-temperature applications.
• EN 10088: Specifies requirements for stainless steel products, ensuring consistency in mechanical and chemical properties.

• ISO 9001: Demonstrates adherence to robust Quality Management Systems for consistent performance.
• PED (Pressure Equipment Directive): Certifies suitability for pressure equipment applications.
• ASME: Ensures compliance with American Society of Mechanical Engineers’ safety and design standards.

As a trusted cold drawn flat bar supplier, these certifications ensure our flat bars meet global quality and industry standards.

To ensure our SS cold drawn bars meet application-specific requirements, we conduct rigorous third-party testing:

• PMI (Positive Material Identification): Verifies chemical composition for grade compliance.
• Hydrostatic Testing: Confirms pressure-handling capability, ideal for pipelines and tanks.
• Radiographic Testing: Detects internal defects to ensure microstructure integrity for marine and welded applications.

Our cold drawn flat bars cater to a wide range of industries, including:

• Oil & Gas: SS cold drawn flat bars are used in the oil and gas industry to make components like valves, flanges, connectors, and drilling equipment. .
• Chemical: The high strength and chemical resistance of these flat bars make them reliable for processing equipment and reactors.
• Aerospace: These ss flat bars are ideal for landing gear components, engine parts, control systems, satellite components, and space exploration equipment due to fatigue resistance and precision.
• Automotive: These durable flat bars are used in carriage frames, wall panels, bottom plates, body frames, bottom beams, and door and window frames in the automotive sector.
• Marine: Cold drawn ss flat bars are suitable for shipbuilding, providing corrosion resistance to seawater & structural strength .

Their versatility makes them essential for demanding applications requiring reliable performance.

• Packaging: Our cold drawn flat bars are securely packed in bundles or wooden crates.
• Transportation: We ship these bars via road, rail, or sea, ensuring timely delivery.
• Export Documents: We also provide invoices, packing lists, certificates of origin, and customs paperwork with the order to ensure transparency.
• Quality Certifications: Material test certificates with chemical composition and mechanical properties are also provided.

Thus, we ensure a seamless supply chain with reliable logistics and comprehensive product documentation

At Caliper Overseas, we combine technical expertise, quality assurance, and industry certifications to provide the best cold drawn flat bars for your specific needs. Contact us today to explore our product range and learn how we can support your next project.

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