AISI 4340 Round Bar exporter in Canada
AISI 4340 Round Bar exporter in Canada plays a crucial role in supplying high-strength alloy steel bars known for their excellent toughness, wear resistance, and fatigue strength. This material, characterized by its nickel, chromium, and molybdenum content, is widely sought after in industries requiring durable components capable of withstanding heavy stress and impact. The round bar form provides versatility for machining into shafts, gears, and other critical parts.
Manufactured to meet stringent ASTM and SAE standards, these alloy steel bars offer superior mechanical properties, including high tensile strength and good hardenability. Typically supplied in various diameters and lengths, they are suitable for heat treatment processes such as quenching and tempering, enhancing their performance in demanding environments. Canadian exporters ensure that the product quality adheres to international export regulations and certifications, facilitating smooth cross-border transactions.
Common applications for AISI 4340 alloy steel bars span aerospace, automotive, heavy machinery, and oil & gas sectors. Due to their excellent fatigue resistance and toughness, they are ideal for critical components like crankshafts, landing gear, and fasteners. The materialβs ability to maintain structural integrity under cyclic loading makes it a preferred choice for parts exposed to dynamic forces and harsh operating conditions.
Export readiness is a key consideration for suppliers in Canada, who focus on packaging, documentation, and logistics to meet global buyer requirements efficiently. This includes compliance with international material testing reports (MTRs), certifications, and traceability standards. The availability of customized sizes and heat treatment options further enhances the appeal to industrial buyers seeking reliable alloy steel solutions for specialized projects.
By partnering with a reputable exporter, industrial purchasers gain access to high-grade AISI 4340 round bars that deliver consistent performance and meet rigorous engineering demands. The combination of material excellence, precise manufacturing, and export expertise ensures that Canadian suppliers remain preferred sources for alloy steel bars in the global market.
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 Round 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 Round Bar exporter in Canada
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 4340 Round 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 Round 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 Round 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 Round Bar
- β High tensile strength for demanding applications
- β Excellent toughness and shock resistance
- β Good weldability and machinability
- β Suitable for heat treatment to enhance hardness
- β Ideal for aerospace, automotive, and industrial applications
- β Available in various diameters and lengths to meet specific requirements
Technical Overview of AISI 4340 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| 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 applications requiring high strength and toughness, such as gears, crankshafts, and aerospace components. | ASTM A29, ASTM A322, SAE J403 |
| 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% | Ideal for high-stress applications in the automotive and aerospace industries. | ASTM A29, ASTM A322, SAE J403 |
| 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% | Commonly used in the manufacturing of high-performance parts and machinery. | ASTM A29, ASTM A322, SAE J403 |
Specifications Table
| Material | AISI 4340 |
|---|---|
| Grades | 4340 |
| Standard | ASTM A29/A29M |
| Size Range | 1.0" to 10.0" diameter |
| Length | Up to 20 feet |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| AISI 4340 Round 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%) | Aerospace components, automotive parts, tools, and machinery |
| AISI 4340 QT Round 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%) - Quenched and Tempered | High-strength applications, critical structural components |
| AISI 4340 Annealed Round 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%) - Annealed state | Machining applications, components requiring high toughness |
| AISI 4340 H/T Round 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%) - Heat Treated | Heavy load applications, aerospace, and automotive industries |
| AISI 4340 VIM/VAR Round 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%) - Vacuum Induction Melting/Variational Alloy Refining | High-performance applications, critical aerospace components |
Available Sizes of AISI 4340 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 12 |
| 16 | 20 |
| 25 | 30 |
| 35 | 40 |
| 45 | 50 |
| 60 | 70 |
| 80 | 90 |
| 100 | 110 |
| 120 | 130 |
| 140 | 150 |
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) | 0.035 max |
| Sulfur (S) | 0.040 max |
Mechanical Properties of AISI 4340
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 1080 |
| Yield Strength (MPa) | 930 |
| Elongation (%) | 15 |
| Reduction of Area (%) | 50 |
| Hardness (HB) | 250 |
AISI 4340 Round Bar β Physical & Thermal Properties
Density of AISI 4340 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cmΒ³ | 0.284 lb/inΒ³ |
Melting Point of AISI 4340 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1540 Β°C | 2600 - 2800 Β°F |
Specific Heat of AISI 4340 Round Bar
| Specific Heat of AISI 4340 Round Bar | ||
|---|---|---|
| Specific Heat (J/kgΒ·K) | Temperature Range (Β°C) | Condition |
| 500 | 20 - 100 | Annealed |
| 460 | 100 - 300 | Tempered |
| 420 | 300 - 600 | Normalized |
Electrical Resistivity of AISI 4340 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·m) | Temperature (°C) | Treatment or Condition |
| 80 | 20 | Annealed |
| 85 | 100 | |
| 90 | 200 | |
| 95 | 300 | |
| 100 | 400 | |
Equivalent of AISI 4340
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A29 | 34CrNiMo6 | G43400 |
| EN 10083-3 | 42CrMo4 | 1.7225 |
Manufacturing Process & Heat Treatment of AISI 4340
Annealing
Annealing of AISI 4340 is performed to relieve internal stresses and improve machinability. The material is heated to a temperature range of 850-900Β°C and held for a specified period before being cooled slowly in the furnace or in air. This process refines the microstructure, resulting in improved ductility and toughness.
Forging
The forging of AISI 4340 involves heating the steel to a temperature of approximately 1100-1200Β°C and then shaping it through mechanical deformation. This process enhances the strength and toughness of the material by refining the grain structure and eliminating defects present in the cast material.
Hardening & Tempering
| Process | Temperature Range (Β°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-880 | Oil or Water | To increase hardness and strength |
| Tempering | 400-700 | Air | To reduce brittleness and relieve stresses |
| Stress Relieving | 550-650 | Air | To enhance dimensional stability and reduce residual stresses |
The manufacturing and heat treatment processes of AISI 4340 are critical in achieving the desired mechanical properties for various applications, ensuring high performance and reliability in demanding environments.
Various Types
AISI 4340 Round Bar - Standard
- Diameter: 20mm to 500mm
- Condition: Hot Rolled, Cold Drawn
- Applications: Aerospace, Automotive, Machinery
AISI 4340 Round Bar - Quenched and Tempered
- Diameter: 25mm to 400mm
- Condition: Quenched and Tempered
- Applications: High-strength components, Gear shafts
AISI 4340 Round Bar - Annealed
- Diameter: 15mm to 300mm
- Condition: Annealed
- Applications: Machining, Fabrication
AISI 4340 Round Bar - Specialty
- Diameter: Custom Sizes Available
- Condition: Customized Treatments
- 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 β $5.00 | βΉ370 β βΉ410 |
| AISI 4340 | 6 mm | $4.30 β $4.80 | βΉ360 β βΉ400 |
| AISI 4340 | 10 mm | $4.00 β $4.50 | βΉ340 β βΉ370 |
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: 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 Round Bar Suppliers in Canada
- AISI 4340 Round Bar Price in Canada
- AISI 4340 Alloy Steel Round Bar Manufacturers
- AISI 4340 Round Bar Specifications
- AISI 4340 Round Bar Applications
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.