AISI 4340 Round Bar exporter in UAE
AISI 4340 Round Bar exporter in UAE offers premium-grade alloy steel bars known for their exceptional strength, toughness, and fatigue resistance. These bars are widely sought after in industries requiring high-performance materials capable of withstanding heavy mechanical stress. Manufactured under stringent quality control measures, the round bars conform to international standards ensuring consistent chemical composition and mechanical properties.
The material, AISI 4340, is a low-alloy steel containing nickel, chromium, and molybdenum which significantly enhances its hardenability and tensile strength. Typically available in various diameters and lengths, these round bars undergo heat treatment processes like quenching and tempering to achieve superior hardness and impact resistance. Such specifications make them ideal for critical applications where durability and reliability are paramount.
These alloy steel round bars find extensive use in aerospace components, automotive parts, heavy machinery, and defense equipment. Their ability to maintain structural integrity under high stress and fatigue conditions makes them suitable for manufacturing gears, shafts, crankshafts, and other high-load bearing components. Additionally, the corrosion resistance properties extend their service life in harsh operational environments.
Export readiness is a key focus for suppliers in the UAE, ensuring that AISI 4340 round bars are packaged and shipped following international export protocols. With robust logistics infrastructure and compliance with global quality certifications, exporters facilitate timely delivery to various international markets. This reliability supports industrial buyers in maintaining uninterrupted production cycles and meeting project deadlines efficiently.
Our Approvals | Third Party Inspection
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why AISI 4340 Round Bar exporter in UAE 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: 50+ Years
- Countries Served: 50+
- Annual Export Volume: 5,500 MT
Table of Contents
- 1. What is AISI 4340 Round Bar exporter in UAE
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 4340 Round Bar exporter in UAE
- 4. Why Global Buyers Source from Super Metal Manufacturing Co.
- 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 Super Metal Manufacturing Co.
How to Choose the Right AISI 4340 Round Bar exporter in UAE
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 AISI 4340 Round Bar exporter in UAE
| 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 Super Metal Manufacturing Co.
Super Metal Manufacturing Co. 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 AISI 4340 Round Bar
- ✔ High tensile strength, making it suitable for high-stress applications
- ✔ Excellent toughness and ductility, ensuring durability in demanding environments
- ✔ Good hardenability, allowing for effective heat treatment processes
- ✔ Versatile material, ideal for manufacturing gears, crankshafts, and other critical components
- ✔ Resistance to fatigue, enhancing the longevity of parts made from this alloy
- ✔ Corrosion resistance when properly treated, suitable for various industrial applications
Technical Overview of AISI 4340 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| AISI 4340 Round Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Cr: 0.70-0.90%, Ni: 1.65-2.00%, Mo: 0.20-0.30% | Used in aerospace, automotive, and heavy machinery applications for high strength and toughness. | AISI, ASTM, SAE |
| AISI 4340 Round Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Cr: 0.70-0.90%, Ni: 1.65-2.00%, Mo: 0.20-0.30% | Ideal for high-stress applications including gears, crankshafts, and aircraft components. | AISI, ASTM, SAE |
| AISI 4340 Round Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Cr: 0.70-0.90%, Ni: 1.65-2.00%, Mo: 0.20-0.30% | Recommended for applications requiring high fatigue strength and impact resistance. | AISI, ASTM, SAE |
Specifications Table
| Material | AISI 4340 |
|---|---|
| Grades | 4340 |
| Standard | ASTM A29/A29M |
| Size Range | 20 mm to 500 mm Diameter |
| Length | Up to 6000 mm |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| AISI 4340 Round Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | Used in high-strength structural applications, aerospace components, and automotive parts. |
| AISI 4340QT Round Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | Applications requiring high tensile strength and toughness, such as gears and fasteners. |
| AISI 4340HT Round Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | Ideal for applications where high strength and fatigue resistance are critical. |
| AISI 4340 V Round Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25%, Vanadium: 0.05-0.15% | Used in components subjected to high stress and shock loading conditions. |
| AISI 4340 Low Alloy Round Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | Good for applications requiring high strength-to-weight ratio, such as aerospace parts. |
Available Sizes of AISI 4340 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 25 |
| 12 | 30 |
| 15 | 35 |
| 16 | 40 |
| 20 | 45 |
| 22 | 50 |
| 24 | 55 |
| 28 | 60 |
| 32 | 65 |
| 38 | 70 |
Chemical Properties of AISI 4340
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.38 - 0.43 |
| Manganese (Mn) | 0.60 - 0.90 |
| Silicon (Si) | 0.15 - 0.40 |
| Nickel (Ni) | 1.65 - 2.00 |
| Chromium (Cr) | 0.70 - 0.90 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Iron (Fe) | Balance |
| Sulfur (S) | 0.04 max |
Mechanical Properties of AISI 4340
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 1080 - 1170 |
| Yield Strength (MPa) | 930 - 1030 |
| Elongation (%) | 12 - 16 |
| Reduction of Area (%) | 50 |
| Hardness (HB) | 248 - 302 |
AISI 4340 Round Bar – Physical & Thermal Properties
Density of AISI 4340 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
Melting Point of AISI 4340 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1450 - 1520 °C | 2642 - 2768 °F |
Specific Heat of AISI 4340 Round Bar
| Specific Heat of AISI 4340 Round Bar | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 460 | 100 - 300 | Normal Heat Treatment |
| 420 | 300 - 500 | High Temperature |
Electrical Resistivity of AISI 4340 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 75 | 20 | As-rolled |
| 78 | 100 | |
| 80 | 200 | |
| 82 | 300 | |
| 85 | 400 | |
Equivalent of AISI 4340
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A29 | 34CrNiMo6 | G43400 |
| EN 10083-3 | 34CrNiMo6 | G43400 |
Manufacturing Process & Heat Treatment of AISI 4340 Round Bar
Annealing
The annealing process for AISI 4340 round bars involves heating the material to a temperature range of 850-900°C, followed by controlled cooling. This process helps to relieve internal stresses, improve ductility, and refine the microstructure, resulting in enhanced machinability and improved mechanical properties.
Forging
Forging of AISI 4340 round bars is typically performed at temperatures between 1100-1250°C. The material is shaped through compressive forces, which enhances its strength and toughness. The forging process also helps in achieving a uniform grain structure, which is crucial for the performance of the final product.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 800-870 | Oil or Water | To increase hardness and strength by transforming austenite to martensite. |
| Tempering | 400-600 | Air | To reduce brittleness while retaining hardness, improving toughness. |
| Stress Relieving | 550-650 | Air | To alleviate residual stresses from prior processing. |
The combination of these processes results in AISI 4340 round bars that exhibit excellent strength, toughness, and wear resistance, making them suitable for various demanding applications in the automotive and aerospace industries.
Various Types
AISI 4340 Round Bar - Standard
- Diameter: 10mm to 100mm
- Condition: Hot Rolled / Cold Drawn
- Applications: Aerospace, Automotive, Machinery Parts
AISI 4340 Round Bar - High Tensile
- Diameter: 20mm to 150mm
- Condition: Quenched and Tempered
- Applications: Heavy-Duty Machinery, Structural Components
AISI 4340 Round Bar - Alloy Steel
- Diameter: 15mm to 200mm
- Condition: Normalized
- Applications: Oil and Gas, Tooling
AISI 4340 Round Bar - Custom Sizes
- Diameter: Customizable upon request
- Condition: Various treatments available
- Applications: Specialized Industrial Applications
Applications & Uses
- Oil & Gas Industry
- Petrochemical Plants
- Water Treatment Plants
- Pharmaceutical Industry
- Food & Beverage Industry
- Automobile Industry
Industries We Serve
Our alloys are widely used across:
- Steel Plants
- Foundries & Casting Units
- Automobile Industry
- Shipbuilding & Marine
- Oil & Gas
- Engineering Components
- Heavy Industrial Machinery
latest Price List of AISI 4340 Round Bar
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| AISI 4340 | 3 mm | $4.50 – $5.00 | ₹370 – ₹410 |
| AISI 4340 | 6 mm | $4.30 – $4.80 | ₹360 – ₹400 |
| AISI 4340 | 10 mm | $4.10 – $4.60 | ₹350 – ₹390 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for AISI 4340 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
Cities We Suppllied In India
| Supply Cities | |||||
|---|---|---|---|---|---|
| Mumbai | Delhi | Pune | Chennai | Hyderabad | Bengaluru |
| Ahmedabad | Rajkot | Coimbatore | Kolkata | Bhopal | Surat |
We exported to 50+ countries worldwide.
| Exported Countries | |||||
|---|---|---|---|---|---|
| USA | UK | UAE | Germany | South Africa | Australia |
| Italy | Canada | Netherlands | Qatar | Saudi Arabia | Malaysia |
Our Certifications
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards.
Quality Inspection & Testing
At Super Metal Manufacturing Co., all products are checked through strict quality inspection and testing to meet international standards such as ASTM, ASME, EN, and DIN. This ensures consistent quality, accurate dimensions, and full material traceability.
- ✔ Chemical composition testing
- ✔ Mechanical tests such as tensile and hardness
- ✔ Dimensional inspection as per standard tolerances
- ✔ PMI, ultrasonic, and visual inspection (if required)
- ✔ EN 10204 3.1 / 3.2 test certificates
- ✔ Third-party inspection by SGS, TUV, BV, or Lloyd’s
Our quality systems support reliable supply for oil & gas, petrochemical, power, marine, and heavy engineering projects.
People Also Search For
- AISI 4340 Steel Properties
- Alloy Steel Suppliers in UAE
- Heat Treatment of AISI 4340
- AISI 4340 Round Bar Price in UAE
- Exporters of Alloy Steel in UAE
Frequently Asked Questions
About Super Metal Manufacturing Co.
Super Metal Manufacturing Co. is a trusted name in the metal industry since 1965, specializing in the manufacturing and export of high-quality 4140, EN19, and 42CrMo4 round bars. With decades of experience, we have built a strong reputation for delivering precision-engineered, durable, and high-performance steel products to industries worldwide.
Our company is committed to excellence through a robust quality management system and strict quality control at every stage of production. From sourcing premium raw materials from reputed suppliers like SAIL and JSW to final delivery, every product undergoes rigorous testing including tensile testing, bend and rebend tests, chemical analysis, and ultrasonic testing to ensure superior performance and reliability.
We are accredited with ISO 9001 certification and are TUV certified, reflecting our commitment to international quality standards. Our state-of-the-art manufacturing facilities, advanced machinery, and skilled workforce enable us to deliver customized solutions tailored to client requirements.
- ✔ 50+ years of industry experience in alloy steel and round bar manufacturing
- ✔ Specialized in 4140, EN19, and 42CrMo4 high-performance round bars
- ✔ ISO certified and TUV approved quality standards
- ✔ Strict quality testing including ultrasonic and chemical analysis
- ✔ Premium raw material sourcing from SAIL and JSW
- ✔ Advanced manufacturing infrastructure with modern machinery
- ✔ Custom-engineered solutions as per drawings and specifications
- ✔ Global export capability with reliable delivery
- ✔ Trusted by industries for critical and high-performance applications
Our Mission
Our mission is to deliver the highest-quality alloy steel round bars while maintaining excellence in precision, innovation, and customer satisfaction. We aim to empower industries worldwide by providing reliable and durable products that meet evolving manufacturing needs.
Our Vision
Our vision is to become a global leader in the manufacturing and export of premium-quality round bars, recognized for our product excellence, innovation, and commitment to exceeding customer expectations.