AISI 4340 Forged Black Flat Bar exporter in UAE
AISI 4340 Forged Black Flat Bar exporter in UAE offers premium-grade alloy steel products tailored for demanding industrial applications. Known for its exceptional toughness, strength, and resistance to wear, this forged flat bar is widely used in sectors requiring reliable performance under high stress. The black finish not only provides corrosion resistance but also enhances the material's durability, making it an ideal choice for structural components and heavy-duty machinery parts.
This alloy steel flat bar features a balanced composition of nickel, chromium, and molybdenum, delivering superior mechanical properties such as high tensile strength and excellent fatigue resistance. The forging process refines the grain structure, resulting in improved toughness and dimensional stability. Typically supplied in various thicknesses and widths, these flat bars meet stringent industry standards, ensuring consistency and reliability for critical manufacturing processes.
Engineers and fabricators utilize these bars in applications ranging from aerospace and automotive components to heavy equipment and tooling. Their ability to withstand dynamic loads and harsh operating environments makes them suitable for shafts, gears, fasteners, and structural frameworks. The black oxide coating further protects against oxidation during storage and transportation, maintaining the material's integrity until installation.
Exporters based in the UAE ensure that these alloy steel products are readily available for international shipment, complying with global quality certifications and packaging norms. Efficient logistics and customized order handling enable timely delivery to industrial hubs worldwide. This export readiness, combined with product excellence, supports manufacturers in achieving operational efficiency and product longevity.
In summary, the forged black flat bars made from AISI 4340 steel represent a robust solution for industries demanding high-performance materials. With precise forging techniques, protective coatings, and export capabilities, suppliers in the UAE provide a dependable source for businesses seeking durable and versatile alloy steel components.
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 Forged Black Flat 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 Forged Black Flat Bar exporter in UAE
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 4340 Forged Black Flat 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 Forged Black Flat 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 Forged Black Flat 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 Forged Black Flat Bar
- ✔ High tensile strength for enhanced durability
- ✔ Excellent toughness and impact resistance
- ✔ Superior fatigue resistance for heavy-duty applications
- ✔ Good machinability for precise fabrication
- ✔ Suitable for hardening through heat treatment
- ✔ Versatile use in various industrial sectors, including automotive and aerospace
Technical Overview of AISI 4340 Forged Black Flat Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| AISI 4340 Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Silicon: 0.15-0.40%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.20-0.30% | Used in aerospace, automotive, and heavy machinery applications for its high strength and toughness. | AISI, ASTM, SAE |
| AISI 4340 Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Silicon: 0.15-0.40%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.20-0.30% | Ideal for high-stress applications requiring excellent fatigue resistance. | AISI, ASTM, SAE |
| AISI 4340 Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Silicon: 0.15-0.40%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.20-0.30% | Commonly used for manufacturing gears, bolts, and other components that require high tensile strength. | AISI, ASTM, SAE |
Specifications Table
| Material | AISI 4340 |
|---|---|
| Grades | Alloy Steel |
| Standard | ASTM A829 |
| Size Range | 20 mm x 100 mm to 50 mm x 200 mm |
| Length | 6 meters to 12 meters |
| Form | Forged Black Flat Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| AISI 4340 Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Phosphorus: Max 0.04%, Sulfur: Max 0.05%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | High strength applications, aerospace components, automotive parts, and heavy-duty machinery. |
| AISI 4340 Normalized Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Phosphorus: Max 0.04%, Sulfur: Max 0.05%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | Structural applications requiring good toughness and strength, such as in bridges and buildings. |
| AISI 4340 Heat Treated Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Phosphorus: Max 0.04%, Sulfur: Max 0.05%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | High-performance applications, including gears, axles, and shafts requiring increased hardness. |
| AISI 4340 Induction Hardened Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Phosphorus: Max 0.04%, Sulfur: Max 0.05%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | High fatigue strength components in demanding environments, such as aerospace and military applications. |
| AISI 4340 Quenched and Tempered Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Phosphorus: Max 0.04%, Sulfur: Max 0.05%, Chromium: 0.70-0.90%, Nickel: 1.65-2.00%, Molybdenum: 0.15-0.25% | Applications requiring a balance of strength and toughness, including automotive and industrial machinery. |
Available Sizes of AISI 4340 Forged Black Flat Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 x 100 | 20 x 100 |
| 10 x 150 | 20 x 150 |
| 10 x 200 | 20 x 200 |
| 12 x 100 | 25 x 100 |
| 12 x 150 | 25 x 150 |
| 12 x 200 | 25 x 200 |
| 15 x 100 | 30 x 100 |
| 15 x 150 | 30 x 150 |
| 15 x 200 | 30 x 200 |
| 20 x 250 | 40 x 200 |
Chemical Properties of AISI 4340 Forged Black Flat Bar
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.38 - 0.43 |
| Manganese (Mn) | 0.60 - 0.90 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.040 |
| Silicon (Si) | 0.15 - 0.40 |
| Nickel (Ni) | 1.65 - 2.00 |
| Chromium (Cr) | 0.70 - 0.90 |
| Molybdenum (Mo) | 0.15 - 0.25 |
Mechanical Properties of AISI 4340 Forged Black Flat Bar
| Property | Value |
|---|---|
| Tensile Strength | 745 MPa (108,000 psi) |
| Yield Strength | 655 MPa (95,000 psi) |
| Elongation | 15% in 50 mm |
| Reduction of Area | 50% |
| Hardness (Brinell) | 250 HB |
AISI 4340 Forged Black Flat Bar – Physical & Thermal Properties
Density of AISI 4340 Forged Black Flat Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
Melting Point of AISI 4340 Forged Black Flat Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1540 °C | 2600 - 2800 °F |
Specific Heat of AISI 4340 Forged Black Flat Bar
| Specific Heat of AISI 4340 Forged Black Flat Bar | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Annealed |
| 460 | 100 - 300 | Tempered |
| 400 | 300 - 600 | Normalized |
Electrical Resistivity of AISI 4340 Forged Black Flat Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 75 | 20 | As Forged |
| 78 | 100 | |
| 80 | 200 | |
| 82 | 300 | |
| 85 | 400 | |
Equivalent of AISI 4340 Forged Black Flat Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A29 | 34CrNiMo6 | G43400 |
| DIN 1.6580 | 34CrNiMo6 | G43400 |
Manufacturing Process & Heat Treatment of AISI 4340 Forged Black Flat Bar
Annealing
Annealing of AISI 4340 is performed to relieve internal stresses and improve ductility. The bars are heated to a temperature range of 850°C to 900°C, followed by slow cooling in a furnace. This process enhances the machinability and prepares the material for further processing.
Forging
The forging of AISI 4340 involves heating the steel to approximately 1200°C and then shaping it through mechanical means. This process refines the microstructure, improving strength and toughness, and results in a forged black flat bar with superior mechanical properties.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850 - 900 | Oil | Increase hardness and strength |
| Tempering | 400 - 600 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 600 - 650 | Furnace | Eliminate residual stresses |
The combination of forging, hardening, and tempering processes ensures that AISI 4340 forged black flat bars possess excellent mechanical properties, making them suitable for a variety of demanding applications in the steel industry.
Various Types
AISI 4340 Forged Black Flat Bar - Standard
- Dimensions: 50mm x 10mm to 200mm x 50mm
- Condition: Hot Rolled
- Applications: Aerospace components, automotive parts
AISI 4340 Forged Black Flat Bar - Annealed
- Dimensions: 20mm x 5mm to 100mm x 25mm
- Condition: Annealed
- Applications: Oil and gas industry, heavy machinery
AISI 4340 Forged Black Flat Bar - Quenched
- Dimensions: 75mm x 15mm to 150mm x 40mm
- Condition: Quenched and Tempered
- Applications: High-strength applications, structural components
AISI 4340 Forged Black Flat Bar - Custom Sizes
- Dimensions: Customizable based on requirements
- Condition: Various heat treatments available
- Applications: Specialized industry applications, custom fabrications
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 Forged Black Flat Bar
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| AISI 4340 Forged Black Flat Bar | 3 mm | $4.50 – $5.00 | ₹370 – ₹410 |
| AISI 4340 Forged Black Flat Bar | 6 mm | $4.30 – $4.80 | ₹360 – ₹400 |
| AISI 4340 Forged Black Flat Bar | 10 mm | $4.00 – $4.50 | ₹340 – ₹370 |
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 Forged Black Flat 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 4140 Forged Black Flat Bar exporter in UAE
- AISI 1045 Steel Flat Bar suppliers in UAE
- High Strength Steel Flat Bar manufacturers in UAE
- Alloy Steel Flat Bar stockists in UAE
- Forged Steel Flat Bar distributors 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.