Gunmetal Round Bar exporter
Gunmetal Round Bar exporter specializes in supplying high-quality copper-based alloy bars renowned for their excellent corrosion resistance and mechanical strength. These bars are typically crafted from a blend of copper, tin, and zinc, offering superior durability and wear resistance, making them indispensable in various industrial sectors. Precision manufacturing ensures consistent dimensions and smooth finishes, catering to stringent engineering standards worldwide.
The round bars are available in multiple diameters and lengths, tailored to meet diverse project requirements. Their robust composition provides excellent machinability and thermal conductivity, which are critical for components subjected to high-pressure environments. These attributes make them ideal for manufacturing valves, bearings, marine hardware, and other heavy-duty applications requiring longevity and reliability.
Exporters ensure that these metal bars comply with international quality certifications and standards, facilitating smooth global trade. Packaging methods are optimized to prevent damage during transit, maintaining the integrity of the product through various shipping conditions. With a streamlined supply chain and reliable logistics partners, delivery timelines are consistently met, supporting large-scale industrial procurement.
Industrial buyers seeking corrosion-resistant and versatile metal bars will find these products suitable for both fabrication and repair tasks. The alloy’s resistance to seawater corrosion particularly benefits the marine and offshore industries, while its strength and hardness are advantageous in heavy engineering and automotive sectors. Customization options for dimensions and finishes further enhance the usability across different manufacturing processes.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Gunmetal Round Bar exporter Are Preferred by Global Buyers
- ✔ Factory Pricing: Direct manufacturer rates with bulk stock
- ✔ Certified Quality: ISO & 3rd-party tested, EN 10204 certified
- ✔ Export-Ready: Sea-worthy packaging for on-time delivery
- ✔ Fast RFQs: Quick quotes for custom sizes & quantities
- ✔ Traceability: 100% heat number tracking from raw material to finished product
Trusted by industries like oil & gas, petrochemicals, power, marine, and heavy engineering.
- Manufacturing Capacity: 500 MT / Month
- Export Experience: 15+ Years
- Countries Served: 50+
- Annual Export Volume: 5,500 MT
Table of Contents
- 1. What is Gunmetal Round Bar exporter
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Gunmetal Round Bar exporter
- 4. Why Global Buyers Source from Ragnar Metals and Tubes
- 5. Features
- 6. Technical Overview
- 7. Specifications
- 8. Available Grades
- 9. Available Sizes
- 10. Chemical Properties
- 11. Mechanical Properties
- 12. Physical & Thermal Properties
- 13. Electrical Resistivity
- 14. Equivalent Grades
- 15. Manufacturing Process & Heat Treatment
- 16. Various Types
- 17. Applications & Uses
- 18. Industries We Serve
- 19. Latest Price List
- 20. MOQ & Payment Terms
- 21. Export Packaging & Shipping
- 22. Cities We Supply in India
- 23. Countries We Export Worldwide
- 24. Our Certifications
- 25. Quality Inspection & Testing
- 26. Our Other Product Types
- 27. People Also Search For
- 28. Frequently Asked Questions
- 29. About Ragnar Metals and Tubes
How to Choose the Right Gunmetal Round Bar exporter
India is home to hundreds of manufacturers ranging from small job shops to large ISO-certified exporters. International and domestic buyers typically evaluate manufacturers based on quality compliance, production capacity, export experience, and pricing transparency.
- Certification & international standards (ASME, ASTM, EN)
- Manufacturing capability vs trading activity
- Export documentation & inspection support
- Stock availability & lead time reliability
- Past supply experience in oil & gas, EPC & heavy industries
Comparison Factors Among Gunmetal Round Bar exporter
| Evaluation Factor | Small Local Suppliers | Trading Companies | ISO-Certified Manufacturers |
|---|---|---|---|
| Manufacturing Control | Limited | None | Full in-house / audited partners |
| International Standards | Basic | Depends on source | ASME / ASTM / EN |
| Inspection & MTCs | Limited | Inconsistent | EN 10204 3.1 / 3.2 |
| Export Experience | Low | Medium | 50+ countries |
| Risk for EPC Projects | High | Medium | Low |
International buyers typically prefer ISO-certified manufacturers for large-scale or critical applications due to better quality control, documentation, and lower project risk.
Why Global Buyers Choose Ragnar Metals and Tubes
Ragnar Metals and Tubes is a trusted ISO 9001:2015 certified manufacturer and global exporter of ferro alloys and metal products, supplying consistent, high-quality materials to customers across USA, UK, Europe, Middle East, Africa, and Asia-Pacific. Our focus on quality assurance, cost efficiency, and on-time delivery makes us a preferred sourcing partner for international buyers.
| Key Advantage | Buyer Benefit |
|---|---|
| ISO 9001:2015 Certified Manufacturing | Consistent quality with documented QA systems and process control |
| ASME / ASTM / EN Compliant Products | Globally accepted standards with EN 10204 3.1 / 3.2 MTCs |
| Lower Manufacturing & Sourcing Costs | Save up to 15–20% compared to European suppliers |
| Favorable Exchange Rate Advantage | Reduced landed cost for international importers |
| In-House Testing & Inspection Facilities | Strict chemical, mechanical & dimensional quality checks |
| Bulk Stock & High Production Capacity | Fast order fulfillment and stable supply for large projects |
| Custom Sizes & Drawing-Based Manufacturing | Products manufactured exactly to buyer specifications |
| Export-Grade Packaging & Global Logistics | Sea-worthy packing, palletization & worldwide shipping support |
| Faster Global Shipping Routes | Optimized logistics for Middle East, Africa & Southeast Asia |
| Technical & After-Sales Support | Project assistance, documentation & responsive RFQ handling |
| Trusted by Global Steel & EPC Companies | Proven export experience across 50+ countries |
Features of Gunmetal Round Bar
- ✔ High corrosion resistance for long-lasting performance
- ✔ Excellent machinability for precise fabrication
- ✔ Superior strength and durability under extreme conditions
- ✔ Versatile applications in marine and industrial environments
- ✔ Low friction properties for enhanced wear resistance
- ✔ Available in various sizes and specifications to meet project needs
Technical Overview of Gunmetal Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Gunmetal Round Bar | Copper (85%), Tin (5-10%), Zinc (5%), Lead (max 2%) | Used in marine applications, valves, and pump components | ASTM B271, ASTM B584 |
| Gunmetal Round Bar | Copper (85%), Tin (5-10%), Zinc (5%), Lead (max 2%) | Ideal for high-pressure applications and corrosion resistance | BS 1400, EN 1982 |
| Gunmetal Round Bar | Copper (85%), Tin (5-10%), Zinc (5%), Lead (max 2%) | Commonly used in the manufacturing of gears and bearings | ISO 8734, JIS H 5202 |
Specifications Table
| Material | Gunmetal (Bronze Alloy) |
|---|---|
| Grades | C93200, C83600, C84400 |
| Standard | ASTM B271, ASTM B584 |
| Size Range | 8 mm to 200 mm diameter |
| Length | Up to 6 meters |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Gunmetal Round Bar | 90% Copper, 10% Tin | Marine fittings, valves, and pump components |
| Gunmetal Round Bar | 85% Copper, 5% Tin, 5% Zinc, 5% Lead | High strength applications, electrical fittings |
| Gunmetal Round Bar | 80% Copper, 15% Tin, 5% Zinc | Precision machining, automotive components |
| Gunmetal Round Bar | 70% Copper, 20% Tin, 10% Zinc | Marine hardware, industrial applications |
| Gunmetal Round Bar | 65% Copper, 30% Tin, 5% Lead | Heavy-duty wear applications, fittings |
Available Sizes of Gunmetal Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 12 |
| 14 | 16 |
| 18 | 20 |
| 22 | 25 |
| 28 | 30 |
| 32 | 35 |
| 40 | 45 |
| 50 | 55 |
| 60 | 65 |
| 70 | 75 |
Chemical Properties of Gunmetal
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 80.0 - 90.0 |
| Tin (Sn) | 5.0 - 12.0 |
| Zinc (Zn) | 0.0 - 5.0 |
| Lead (Pb) | 0.0 - 2.0 |
| Iron (Fe) | 0.0 - 2.0 |
| Nickel (Ni) | 0.0 - 1.0 |
| Aluminum (Al) | 0.0 - 1.0 |
| Others | Balance |
Mechanical Properties of Gunmetal Round Bar
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 250-400 |
| Yield Strength (MPa) | 100-250 |
| Elongation (%) | 5-20 |
| Hardness (Brinell) | 80-120 |
| Modulus of Elasticity (GPa) | 110 |
Gunmetal Round Bar – Physical & Thermal Properties
Density of Gunmetal Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 8.5 g/cm³ | 0.308 lb/in³ |
Melting Point of Gunmetal Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1000 - 1100 °C | 1832 - 2012 °F |
Specific Heat of Gunmetal Round Bar
| Specific Heat of Gunmetal Round Bar | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 380 | 20 - 100 | Solid |
| 400 | 100 - 300 | Solid |
| 420 | 300 - 600 | Solid |
Electrical Resistivity of Gunmetal Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 60 | 20 | As Cast |
| 62 | 100 | |
| 64 | 200 | |
| 66 | 300 | |
| 68 | 400 | |
Equivalent of Gunmetal Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| BS 1400 LG2 | CuSn10Zn | C83600 |
| ASTM B271 | CuSn10 | C93700 |
Manufacturing Process & Heat Treatment of Gunmetal Round Bar
Annealing
Annealing of gunmetal round bars involves heating the material to a temperature of approximately 600-700°C, followed by slow cooling. This process helps to relieve internal stresses, improve ductility, and enhance machinability, making the material easier to work with in subsequent manufacturing processes.
Forging
Forging is a critical step in the production of gunmetal round bars. The material is heated to a forging temperature of around 700-800°C and then shaped using hammers or presses. This process increases the strength of the material by refining the grain structure and improving its mechanical properties.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-1000 | Water or Oil | To increase hardness and strength of the material. |
| Tempering | 400-600 | Air | To reduce brittleness while maintaining hardness. |
| Stress Relieving | 300-500 | Air | To eliminate residual stresses from the manufacturing process. |
The combination of these processes ensures that the gunmetal round bars possess the desired mechanical properties and performance characteristics required for various industrial applications.
Various Types
Standard Gunmetal Round Bar
- Diameter: 10mm to 100mm
- Condition: Hot Rolled
- Applications: Marine Fixtures, Valve Bodies
High Tensile Gunmetal Round Bar
- Diameter: 20mm to 150mm
- Condition: Cold Drawn
- Applications: Mechanical Components, Pumps
Corrosion Resistant Gunmetal Round Bar
- Diameter: 15mm to 200mm
- Condition: Anodized
- Applications: Chemical Processing, Shipbuilding
Custom Length Gunmetal Round Bar
- Diameter: Various Sizes
- Condition: As per Requirement
- Applications: Custom Fabrications, Artisanal Projects
Applications & Uses
- Oil & Gas Industry: Pipelines, process piping, and high-pressure fluid handling systems.
- Petrochemical & Refineries: Reactors, heat exchangers, and chemical processing units.
- Water Treatment Plants: Filtration systems, storage tanks, and corrosion-resistant piping.
- Pharmaceutical Industry: Hygienic piping, sanitary fittings, and cleanroom equipment.
- Food & Beverage: Processing lines, storage vessels, and contamination-free pipelines.
- Automobile & Engineering: Exhaust systems, structural parts, and precision components.
- Power & Energy Sector: Boilers, condensers, and turbine piping systems.
- Marine & Offshore: Shipbuilding, offshore platforms, and coastal infrastructure.
- Construction & Infrastructure: Structural frameworks, bridges, and industrial buildings.
Industries We Serve
Our stainless steel, alloy steel, and high-performance metal products are widely used across the following industries:
Latest Price List of Gunmetal Round Bar
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Gunmetal Round Bar | 3 mm | $5.00 – $5.50 | ₹415 – ₹460 |
| Gunmetal Round Bar | 6 mm | $4.80 – $5.30 | ₹400 – ₹450 |
| Gunmetal Round Bar | 10 mm | $4.50 – $5.00 | ₹375 – ₹415 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for Gunmetal Round Bar.
MOQ & Payment Terms
Minimum Order Quantity: 25–100 Kg depending on part size and grade.
Payment Terms: Depending On Grade and Quantity Size
Export Packaging & Shipping
- Seaworthy, fumigated wooden crates with waterproof inner lining
- Palletised packing with clear shipping marks and heat number identification
- Container stuffing supervision with loading photographs available on request
We Exported to 50+ Countries Worldwide
| Global Export Destinations | |||||
|---|---|---|---|---|---|
| United States | Canada | Mexico | United Kingdom | Germany | Netherlands |
| Italy | Spain | South Africa | Australia | India | Korea |
| United Arab Emirates | Saudi Arabia | Qatar | Kuwait | Oman | Bahrain |
| Singapore | Malaysia | Indonesia | Dubai | Riyadh | Dammam |
Our Certifications
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.
GST Registered
ISO 9001:2015
ISO 1002:2018
Udyam MSME Registration
Testing Process & Quality Assurance – Ragnar Metals & Tubes
At Ragnar Metals & Tubes, our testing process ensures the safety, reliability, and performance of stainless steel and alloy steel products supplied for global industrial and infrastructure projects. Each batch is verified from raw material selection to final dispatch under internationally recognized standards including ASTM, ASME, ISO, DIN, and EN.
Detects internal flaws using high-frequency sound waves
Measures yield strength, elongation, and material durability
Evaluates toughness under low-temperature and high-stress conditions
Ensures smoothness, coating quality, and visual compliance
Enhances hardness, strength, and corrosion resistance
Measures resistance to deformation and wear
Documentation & Global Compliance
- ✔ EN 10204 3.1 / 3.2 Mill Test Certificates (MTC)
- ✔ Batch-wise quality traceability and inspection records
- ✔ Third-party inspection by SGS, TUV, Bureau Veritas & Lloyd’s
- ✔ Export documentation support for customs and international shipping
Supporting supply for oil & gas, petrochemical, power generation, marine, infrastructure, and heavy engineering industries worldwide.
Related Products
Explore our full range of stainless steel and alloy steel products including pipes, tubes, fittings, flanges, sheets, plates, spools, fasteners, round bars, and special grades manufactured for industrial, infrastructure, and global export applications.
People Also Search For
- Bronze Round Bar exporter
- Brass Round Bar exporter
- Nickel Silver Round Bar exporter
- Alloy Steel Round Bar exporter
- Stainless Steel Round Bar exporter
Frequently Asked Questions
About Ragnar Metals & Tubes
- ✔ Leading manufacturer, stockist, and exporter of stainless steel and alloy steel products for industrial and infrastructure projects
- ✔ ISO 9001:2015 certified quality management system ensuring consistent product reliability and compliance
- ✔ Specialized in precision pipes, tubes, fittings, flanges, sheets, plates, fasteners, and round bars
- ✔ Modern processing and testing facilities with advanced manufacturing and inspection equipment
- ✔ Custom-engineered solutions based on client drawings and technical specifications
- ✔ Full material traceability with EN 10204 3.1 / 3.2 mill test certification
- ✔ Compliance with ASTM, ASME, DIN, EN, and ISO international standards
- ✔ Trusted global supplier supporting oil & gas, petrochemical, power, marine, and heavy engineering industries