AISI 4340 Forged Black Flat Bar exporter in Canada
AISI 4340 Forged Black Flat Bar exporter in Canada offers premium-grade alloy steel bars designed to meet rigorous industrial standards. Known for its exceptional strength, toughness, and fatigue resistance, AISI 4340 is a nickel-chromium-molybdenum alloy that is widely used in demanding mechanical applications. The forged black finish not only enhances durability but also provides a protective layer against corrosion and wear, making these flat bars ideal for heavy-duty use.
These flat bars are manufactured through a precise forging process that refines the grain structure, resulting in superior mechanical properties such as increased tensile strength and improved impact resistance. The black oxide coating further ensures enhanced surface protection during transportation and storage. Typical dimensions and tolerances are available to suit various industrial requirements, including custom sizes for specialized applications, ensuring compatibility with machining and fabrication processes.
Industries such as aerospace, automotive, heavy machinery, and defense rely heavily on AISI 4340 forged flat bars for components like shafts, gears, bolts, and structural parts that demand high strength-to-weight ratios and resistance to stress-induced fatigue. The materialβs excellent hardenability and machinability allow for versatile use in both heat-treated and untreated conditions, enabling manufacturers to achieve optimal performance characteristics.
Export readiness is a key advantage offered by Canadian suppliers, who comply with international quality standards and certifications, ensuring prompt and secure delivery worldwide. Packaging is optimized to protect the material during transit, and logistics partners are experienced in handling industrial-grade steel products. Buyers can expect comprehensive support, including material test reports and traceability documentation, which are essential for quality assurance and regulatory compliance in global markets.
Choosing a reliable exporter in Canada for AISI 4340 forged black flat bars guarantees access to high-quality alloy steel products tailored for critical industrial applications. With a focus on consistent quality, precise specifications, and efficient export processes, these suppliers facilitate seamless integration into complex manufacturing workflows, supporting the production of durable and high-performance components.
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 Canada 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 Canada
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 4340 Forged Black Flat Bar exporter in Canada
- 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 Canada
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 Canada
| 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 for demanding applications
- β Excellent fatigue resistance and toughness
- β Superior machinability for precision engineering
- β Versatile for various industrial uses
- β Good weldability for complex fabrications
- β Available in various sizes and thicknesses
Technical Overview of AISI 4340 Forged Black Flat Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| AISI 4340 Forged Black Flat Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Cr: 0.70-0.90%, Ni: 1.50-1.80%, Mo: 0.20-0.35% | Used in high-strength applications such as gears, axles, and aircraft components. | ASTM A829, AMS 6415 |
| AISI 4340 Forged Black Flat Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Cr: 0.70-0.90%, Ni: 1.50-1.80%, Mo: 0.20-0.35% | Ideal for applications requiring good toughness and fatigue resistance. | SAE J404, ASTM A108 |
| AISI 4340 Forged Black Flat Bar | C: 0.38-0.43%, Mn: 0.60-0.90%, Si: 0.15-0.40%, Cr: 0.70-0.90%, Ni: 1.50-1.80%, Mo: 0.20-0.35% | Commonly used in the automotive and aerospace industries. | ISO 683, ASME SA-829 |
Specifications Table
| Material | AISI 4340 |
|---|---|
| Grades | 4340, 4340V |
| Standard | ASTM A829 |
| Size Range | 1" to 12" width, 0.25" to 1" thickness |
| Length | Up to 20 feet |
| 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%, Nickel: 1.65-2.00%, Chromium: 0.70-0.90%, Molybdenum: 0.15-0.25% | Aerospace components, high-strength bolts, gears, crankshafts |
| AISI 4340 Heat Treated 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% | Heavy machinery parts, automotive applications, structural components |
| AISI 4340 Annealed 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% | Fabrication and machining, automotive chassis, tools |
| AISI 4340 Cold Drawn 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% | Precision components, aerospace fittings, high-stress applications |
| AISI 4340 Hot Rolled 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% | General construction, heavy equipment, machine parts |
Available Sizes of AISI 4340 Forged Black Flat Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 25 x 5 | 50 x 10 |
| 30 x 6 | 60 x 12 |
| 40 x 8 | 70 x 15 |
| 45 x 10 | 80 x 20 |
| 50 x 12 | 90 x 25 |
| 55 x 15 | 100 x 30 |
| 60 x 20 | 120 x 25 |
| 70 x 25 | 150 x 30 |
| 80 x 30 | 200 x 40 |
| 100 x 50 | 250 x 50 |
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 max |
| Sulfur (S) | 0.040 max |
| Silicon (Si) | 0.15 - 0.40 |
| Chromium (Cr) | 0.70 - 0.90 |
| Nickel (Ni) | 1.65 - 2.00 |
| Molybdenum (Mo) | 0.20 - 0.30 |
Mechanical Properties of AISI 4340 Forged Black Flat Bar
| Property | Value |
|---|---|
| Tensile Strength | 745 MPa (108,000 psi) |
| Yield Strength | 415 MPa (60,000 psi) |
| Elongation | 14% |
| Reduction of Area | 50% |
| Hardness (Brinell) | 250 HB |
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 | 1420 - 1460 Β°C | 2600 - 2660 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 | 25 - 100 | Room Temperature |
| 600 | 100 - 200 | Heating |
| 700 | 200 - 400 | High Temperature |
Electrical Resistivity of AISI 4340 Forged Black Flat Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·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 | 1.6582 | 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 machinability. The process involves heating the steel to a temperature range of 550-650Β°C, followed by a slow furnace cool. This treatment enhances the material's ductility and toughness, preparing it for subsequent forging and heat treatment processes.
Forging
The forging of AISI 4340 involves heating the material to approximately 1200Β°C and then shaping it under mechanical or hydraulic pressure. This process refines the grain structure, improves mechanical properties, and achieves desired dimensional tolerances. Forged black flat bars exhibit superior strength and fatigue resistance compared to their cast counterparts.
Hardening & Tempering
| Process | Temperature Range (Β°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-900 | Oil | Increase hardness and strength |
| Tempering | 500-650 | Air | Reduce brittleness and improve toughness |
| Stress Relief | 400-500 | Air | Minimize residual stresses |
The combination of these processes results in AISI 4340 forged black flat bars that possess excellent mechanical properties, making them suitable for high-stress applications in various industries such as automotive and aerospace.
Various Types
AISI 4340 Forged Black Flat Bar - Standard
- Dimensions: 1" x 3" x 12' (custom sizes available)
- Condition: Hot Rolled
- Applications: Gears, shafts, and heavy machinery components
AISI 4340 Forged Black Flat Bar - Custom Width
- Dimensions: 2" x 4" x 10' (custom sizes available)
- Condition: Normalized
- Applications: Aerospace components and high-stress applications
AISI 4340 Forged Black Flat Bar - Heavy Duty
- Dimensions: 3" x 6" x 14' (custom sizes available)
- Condition: Quenched and Tempered
- Applications: Oil and gas drilling equipment, automotive parts
AISI 4340 Forged Black Flat Bar - Alloy Steel
- Dimensions: 1.5" x 2.5" x 12' (custom sizes available)
- Condition: Cold Drawn
- Applications: High-performance applications, structural 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 | $4.50 β $5.00 | βΉ370 β βΉ410 |
| AISI 4340 Forged Black Flat Bar | 6 mm | $4.75 β $5.25 | βΉ390 β βΉ430 |
| AISI 4340 Forged Black Flat Bar | 10 mm | $5.00 β $5.50 | βΉ410 β βΉ450 |
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
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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.