AISI 4340 Forged Black Flat Bar exporter in Kuwait
AISI 4340 Forged Black Flat Bar exporter in Kuwait offers premium quality steel products tailored to meet the demanding requirements of various industrial sectors. This high-strength alloy steel flat bar is renowned for its excellent toughness, fatigue resistance, and hardenability, making it an ideal choice for heavy-duty applications. Manufactured through a precise forging process, the black finish enhances surface hardness and durability, ensuring reliable performance under extreme conditions.
The flat bars are produced from AISI 4340 steel, which contains nickel, chromium, and molybdenum, providing superior mechanical properties and enhanced resistance to wear and corrosion. Available in various dimensions, these forged bars are well-suited for machining and fabrication into components requiring high strength and impact resistance. Their flat configuration makes them versatile for structural supports, shafts, gears, and other critical parts in automotive, aerospace, and heavy machinery industries.
Exporters in Kuwait maintain strict quality control measures to comply with international standards, ensuring each batch meets chemical composition and tensile strength specifications. The forged black flat bars undergo rigorous testing, including ultrasonic inspection and hardness verification, to guarantee material integrity and uniformity. Packaging is optimized for overseas shipping, protecting the bars from environmental damage and facilitating easy handling upon arrival.
With a robust supply chain and efficient logistics network, these forged steel flat bars are readily available for bulk orders, catering to industrial buyers across the Middle East and beyond. The exporterβs commitment to timely delivery and customized service options supports manufacturers and fabricators in maintaining uninterrupted production schedules. Additionally, technical support and certification documentation accompany shipments to assist in seamless integration into client operations.
Choosing AISI 4340 forged black flat bars from a reliable Kuwait-based supplier ensures access to premium-grade materials that enhance product performance and longevity. Whether used in heavy machinery components or precision engineering parts, these steel bars deliver consistent quality and durability, meeting the rigorous demands of modern industrial applications.
Our Approvals | Third Party Inspection
Lead Time
2β7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why AISI 4340 Forged Black Flat Bar exporter in Kuwait Are Preferred by Global Buyers
- β Factory Pricing: Direct manufacturer rates with bulk stock
- β Certified Quality: ISO & 3rd-party tested, EN 10204 certified
- β Export-Ready: Sea-worthy packaging for on-time delivery
- β Fast RFQs: Quick quotes for custom sizes & quantities
- β 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 Kuwait
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 4340 Forged Black Flat Bar exporter in Kuwait
- 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 Kuwait
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 Kuwait
| 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 15β20% 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
- β High tensile strength, making it suitable for heavy-duty applications.
- β Excellent toughness, providing resistance to impact and shock loads.
- β Superior wear resistance, enhancing longevity and durability in various environments.
- β Good machinability, allowing for ease of fabrication and shaping.
- β High fatigue strength, ensuring performance under cyclic loading conditions.
- β Versatile applicability in automotive, aerospace, and industrial sectors.
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%, Nickel: 1.65-2.00%, Chromium: 0.70-0.90%, Molybdenum: 0.15-0.25% | Used in high-stress applications such as gears, shafts, and heavy-duty machinery components | ASTM A29, ASTM A322 |
| AISI 4340 Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Nickel: 1.65-2.00%, Chromium: 0.70-0.90%, Molybdenum: 0.15-0.25% | Ideal for aerospace, automotive, and industrial applications requiring high tensile strength | AMS 6349, SAE J403 |
| AISI 4340 Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.60-0.90%, Nickel: 1.65-2.00%, Chromium: 0.70-0.90%, Molybdenum: 0.15-0.25% | Commonly used in the manufacture of aircraft landing gear, military vehicles, and structural components | ISO 683-1, DIN 1.6582 |
Specifications Table
| Material | AISI 4340 |
|---|---|
| Grades | 4340 |
| Standard | ASTM A829 |
| Size Range | 50mm x 20mm to 200mm x 50mm |
| Length | 3m to 6m |
| Form | Forged Black Flat Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| AISI 4340 Forged Black Flat Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Ni: 1.65-2.00%, Cr: 0.70-0.90%, Mo: 0.15-0.25% | High-strength structural applications, automotive components, gears, and aircraft parts |
| AISI 4340 Normalized Forged Flat Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Ni: 1.65-2.00%, Cr: 0.70-0.90%, Mo: 0.15-0.25% | High-stress applications requiring toughness and wear resistance |
| AISI 4340 Quenched and Tempered Flat Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Ni: 1.65-2.00%, Cr: 0.70-0.90%, Mo: 0.15-0.25% | Heavy machinery, automotive parts, and high-strength bolts |
| AISI 4340 Stress Relieved Flat Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Ni: 1.65-2.00%, Cr: 0.70-0.90%, Mo: 0.15-0.25% | Applications requiring reduced residual stress, such as aerospace components |
| AISI 4340 Hot Rolled Flat Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Ni: 1.65-2.00%, Cr: 0.70-0.90%, Mo: 0.15-0.25% | General engineering applications, where dimensional tolerances are not critical |
Available Sizes of AISI 4340 Forged Black Flat Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 50 x 10 | 100 x 20 |
| 75 x 15 | 150 x 25 |
| 40 x 6 | 80 x 10 |
| 120 x 15 | 200 x 30 |
| 60 x 8 | 90 x 12 |
| 110 x 20 | 160 x 25 |
| 30 x 5 | 70 x 10 |
| 130 x 15 | 220 x 35 |
| 45 x 8 | 100 x 15 |
| 55 x 10 | 150 x 20 |
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 |
| Chromium (Cr) | 0.70 - 0.90 |
| Nickel (Ni) | 1.65 - 2.00 |
| Molybdenum (Mo) | 0.20 - 0.30 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.04 max |
Mechanical Properties of AISI 4340 Forged Black Flat Bar
| Property | Value |
|---|---|
| Tensile Strength | 1080 - 1300 MPa |
| Yield Strength | 930 MPa (minimum) |
| Elongation | 12% (minimum) |
| Reduction of Area | 50% (minimum) |
| Hardness (HB) | 250 - 350 |
AISI 4340 Forged Black Flat Bar β Physical & Thermal Properties
Density of AISI 4340 Forged Black Flat Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cmΒ³ | 0.284 lb/inΒ³ |
Melting Point of AISI 4340 Forged Black Flat Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1500 Β°C | 2600 - 2732 Β°F |
Specific Heat of AISI 4340 Forged Black Flat Bar
| Specific Heat of AISI 4340 Forged Black Flat Bar | ||
|---|---|---|
| Specific Heat (J/kgΒ·K) | Temperature Range (Β°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 540 | 100 - 300 | Medium Temperature |
| 600 | 300 - 600 | High Temperature |
Electrical Resistivity of AISI 4340 Forged Black Flat Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·m) | Temperature (°C) | Treatment or Condition |
| 0.075 | 20 | As Forged |
| 0.080 | 100 | |
| 0.085 | 200 | |
| 0.090 | 300 | |
| 0.095 | 400 | |
Equivalent of AISI 4340 Forged Black Flat Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A29 | 34CrNiMo6 | G43400 |
| EN 10083-3 | 42CrMo4 | 1.7220 |
Manufacturing Process & Heat Treatment of AISI 4340
Annealing
The annealing process for AISI 4340 involves heating the material to a temperature range of 800-850Β°C (1472-1562Β°F) followed by a slow cooling process. This treatment helps to relieve internal stresses, improve ductility, and refine the microstructure, making the steel easier to machine and form.
Forging
Forging of AISI 4340 is typically performed at high temperatures, between 1000-1200Β°C (1832-2192Β°F). The process enhances the mechanical properties of the steel by refining the grain structure and increasing strength and toughness. The forged flat bars are then allowed to cool gradually to prevent cracking and distortion.
Hardening & Tempering
| Process | Temperature Range (Β°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 830-870 | Oil | Increase hardness and strength |
| Tempering | 500-650 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 600-700 | Air | Reduce internal stresses after hardening |
The combination of these processes ensures that AISI 4340 forged black flat bars meet the stringent requirements for high strength and durability, making them suitable for various industrial applications.
Various Types
AISI 4340 Forged Black Flat Bar - Type 1
- Dimensions: 50mm x 10mm to 150mm x 25mm
- Condition: Hot Rolled
- Applications: Aerospace, Automotive, Machinery Components
AISI 4340 Forged Black Flat Bar - Type 2
- Dimensions: 100mm x 20mm to 200mm x 30mm
- Condition: Quenched and Tempered
- Applications: Oil & Gas, Heavy Equipment, Structural Parts
AISI 4340 Forged Black Flat Bar - Type 3
- Dimensions: 75mm x 15mm to 150mm x 20mm
- Condition: Annealed
- Applications: Construction, Tooling, Heavy Machinery
AISI 4340 Forged Black Flat Bar - Type 4
- Dimensions: 40mm x 10mm to 120mm x 20mm
- Condition: Stress Relieved
- Applications: Aerospace, Marine Applications, High-Stress Components
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 | $2.50 β $2.70 | βΉ207 β βΉ224 |
| AISI 4340 Forged Black Flat Bar | 6 mm | $2.60 β $2.80 | βΉ215 β βΉ232 |
| AISI 4340 Forged Black Flat Bar | 10 mm | $2.70 β $2.90 | βΉ224 β βΉ241 |
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: 25β100 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.
- β Chemical composition testing
- β Mechanical tests such as tensile and hardness
- β Dimensional inspection as per standard tolerances
- β PMI, ultrasonic, and visual inspection (if required)
- β EN 10204 3.1 / 3.2 test certificates
- β Third-party inspection by SGS, TUV, BV, or Lloydβs
Our quality systems support reliable supply for oil & gas, petrochemical, power, marine, and heavy engineering projects.
People Also Search For
- AISI 4340 Steel Properties
- Forged Steel Bar Suppliers in Kuwait
- AISI 4340 Flat Bar Manufacturer
- Heat Treatment of AISI 4340 Steel
- Black Flat Bar Exporters in the Middle East
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.
- β 50+ years of industry experience in alloy steel and round bar manufacturing
- β Specialized in 4140, EN19, and 42CrMo4 high-performance round bars
- β ISO certified and TUV approved quality standards
- β Strict quality testing including ultrasonic and chemical analysis
- β Premium raw material sourcing from SAIL and JSW
- β Advanced manufacturing infrastructure with modern machinery
- β Custom-engineered solutions as per drawings and specifications
- β Global export capability with reliable delivery
- β 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.