AISI 4340 Forged Black Flat Bar exporter in Saudi Arabia
AISI 4340 Forged Black Flat Bar exporter in Saudi Arabia offers high-quality alloy steel products tailored for demanding industrial applications. Known for its exceptional strength, toughness, and fatigue resistance, AISI 4340 is a nickel-chromium-molybdenum alloy that provides superior mechanical properties through forging processes. These flat bars are typically supplied in a black finish, indicating a protective oxide layer that minimizes corrosion during handling and storage.
The forged black flat bars are available in various dimensions and thicknesses to meet specific engineering requirements. Their composition includes elements such as nickel, chromium, and molybdenum, which enhance hardenability and impact resistance. This makes them ideal for manufacturing components subjected to high stress, such as shafts, gears, and heavy-duty machinery parts. The forging process refines the grain structure and improves the overall integrity of the material, ensuring reliability in critical applications.
Industries such as aerospace, automotive, construction, and oil and gas heavily rely on these alloy steel bars for structural and mechanical uses. Their ability to withstand dynamic loads and harsh environments makes them suitable for producing parts that demand high fatigue strength and toughness. Additionally, the flat bar format allows for versatile machining and fabrication, enabling customized solutions for complex engineering designs.
Exporters based in Saudi Arabia ensure that these forged bars comply with international standards and quality certifications, making them suitable for global supply chains. With robust logistics infrastructure, timely deliveries, and adherence to export regulations, suppliers facilitate seamless transactions for industrial buyers worldwide. This export readiness supports projects requiring consistent material performance and reliable sourcing.
Choosing a reputable supplier in Saudi Arabia guarantees access to premium AISI 4340 forged alloy steel flat bars that meet stringent quality benchmarks. Buyers can expect detailed product specifications, certification documentation, and technical support to optimize their applications. Such partnerships contribute to enhanced durability, safety, and efficiency across various high-performance industries.
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 Saudi Arabia 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 Saudi Arabia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 4340 Forged Black Flat Bar exporter in Saudi Arabia
- 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 Saudi Arabia
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 Saudi Arabia
| 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 demanding applications
- ✔ Excellent fatigue resistance ensuring long service life
- ✔ Superior hardenability for enhanced performance
- ✔ Versatile applications in automotive and aerospace industries
- ✔ Capability to be heat treated for improved mechanical properties
- ✔ Availability in various thicknesses and lengths to meet project requirements
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%), Chromium (0.70-0.90%), Nickel (1.65-2.00%), Molybdenum (0.15-0.25%) | Used in high-strength applications such as gears, shafts, and heavy machinery components. | ASTM A829, AMS 6349, SAE J403 |
| AISI 4340 Forged Black Flat 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 aerospace and automotive applications due to its toughness and fatigue resistance. | ASTM A829, AMS 6349, SAE J403 |
| AISI 4340 Forged Black Flat 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 the manufacturing of high-stress components in construction and mining equipment. | ASTM A829, AMS 6349, SAE J403 |
Specifications Table
| Material | AISI 4340 |
|---|---|
| Grades | Alloy Steel |
| Standard | ASTM A829 |
| Size Range | 1" to 6" width, 0.25" to 2" thickness |
| Length | Up to 20 feet |
| Form | Forged Flat Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| AISI 4340 Forged Black Flat Bar | 0.38-0.43% C, 0.70-0.90% Si, 0.60-0.80% Mn, 1.50-1.75% Ni, 0.20-0.30% Cr, 0.040% max P, 0.040% max S | High-stress applications, aerospace components, automotive parts, marine engineering |
| AISI 4340 Heat Treated Forged Flat Bar | 0.38-0.43% C, 0.70-0.90% Si, 0.60-0.80% Mn, 1.50-1.75% Ni, 0.20-0.30% Cr, 0.040% max P, 0.040% max S | Heavy machinery, high-load structural applications, gear manufacturing |
| AISI 4340 Quenched and Tempered Flat Bar | 0.38-0.43% C, 0.70-0.90% Si, 0.60-0.80% Mn, 1.50-1.75% Ni, 0.20-0.30% Cr, 0.040% max P, 0.040% max S | Oil and gas industry, pressure vessels, high-strength fasteners |
| AISI 4340 Low Alloy Flat Bar | 0.38-0.43% C, 0.70-0.90% Si, 0.60-0.80% Mn, 1.50-1.75% Ni, 0.20-0.30% Cr, 0.040% max P, 0.040% max S | Military applications, aerospace structures, heavy-duty vehicle parts |
| AISI 4340 Cold Drawn Forged Flat Bar | 0.38-0.43% C, 0.70-0.90% Si, 0.60-0.80% Mn, 1.50-1.75% Ni, 0.20-0.30% Cr, 0.040% max P, 0.040% max S | Precision components, automotive engineering, tool manufacturing |
Available Sizes of AISI 4340 Forged Black Flat Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 25 x 5 | 100 x 10 |
| 30 x 5 | 150 x 10 |
| 40 x 5 | 200 x 15 |
| 50 x 5 | 250 x 20 |
| 60 x 10 | 300 x 20 |
| 70 x 10 | 350 x 25 |
| 80 x 15 | 400 x 25 |
| 90 x 15 | 450 x 30 |
| 100 x 20 | 500 x 30 |
| 120 x 20 | 600 x 40 |
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 |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.03 max |
Mechanical Properties of AISI 4340 Forged Black Flat Bar
| Property | Value |
|---|---|
| Tensile Strength | 745 MPa (108,000 psi) |
| Yield Strength | 580 MPa (84,000 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 |
| 480 | 100 - 300 | Tempered |
| 460 | 300 - 600 | Quenched |
Electrical Resistivity of AISI 4340 Forged Black Flat Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 75 | 20 | As Forged |
| 80 | 100 | |
| 85 | 200 | |
| 90 | 300 | |
| 95 | 400 | |
Equivalent of AISI 4340 Forged Black Flat Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A29 | 34CrNiMo6 | G43400 |
| EN 10083-3 | 42CrMo4 | 1.7225 |
Manufacturing Process & Heat Treatment of AISI 4340 Forged Black Flat Bar
Annealing
The annealing process for AISI 4340 involves heating the material to a temperature range of 800-850°C, followed by slow cooling in a furnace. This process helps to relieve internal stresses, improve ductility, and enhance machinability, making it easier to work with in subsequent manufacturing stages.
Forging
Forging of AISI 4340 is typically performed at temperatures between 1100-1250°C. This hot working process enhances the mechanical properties of the steel by refining its microstructure, resulting in improved strength and toughness. The forged flat bars are then air-cooled to room temperature.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-880 | Oil | To increase hardness and strength |
| Tempering | 400-600 | Air | To reduce brittleness and improve toughness |
| Stress Relieving | 600-650 | Furnace | To eliminate residual stresses from the forging process |
In conclusion, the manufacturing and heat treatment processes for AISI 4340 forged black flat bars are critical in ensuring the material meets the necessary mechanical properties for various industrial applications. Proper control of these processes leads to high-quality products suitable for export.
Various Types
AISI 4340 Forged Black Flat Bar - Standard
- Width: 50mm, Thickness: 10mm, Length: 3m
- Condition: Hot Rolled
- Applications: Automotive, Aerospace, Machinery
AISI 4340 Forged Black Flat Bar - Custom Size
- Width: 75mm, Thickness: 15mm, Length: 6m
- Condition: Quenched and Tempered
- Applications: Tooling, Structural Components
AISI 4340 Forged Black Flat Bar - High Strength
- Width: 100mm, Thickness: 20mm, Length: 4m
- Condition: Normalized
- Applications: Heavy Equipment, Oil & Gas
AISI 4340 Forged Black Flat Bar - Specialty
- Width: 150mm, Thickness: 25mm, Length: 5m
- Condition: Stress Relieved
- Applications: Aerospace Components, Automotive Chassis
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 | 3 mm | $2.50 – $2.70 | ₹207 – ₹216 |
| AISI 4340 | 6 mm | $2.40 – $2.60 | ₹199 – ₹208 |
| AISI 4340 | 10 mm | $2.30 – $2.50 | ₹192 – ₹201 |
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 4340 Steel Suppliers in Saudi Arabia
- Forged Steel Flat Bar Manufacturers
- Alloy Steel Exporters in Middle East
- AISI 4340 Round Bar Exporter in Saudi Arabia
- High Strength Steel Flat Bar Suppliers
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.