AISI 4340 Round Bar exporter in Malaysia
AISI 4340 Round Bar exporter in Malaysia offers high-quality alloy steel bars known for their exceptional strength and toughness. This material, characterized by its nickel, chromium, and molybdenum content, provides superior mechanical properties that make it ideal for heavy-duty industrial applications. The round bars are precision-manufactured to meet stringent international standards, ensuring consistent performance and reliability for demanding engineering projects.
The round bars are supplied in various diameters and lengths, catering to diverse industrial needs. With excellent hardenability and fatigue resistance, these alloy steel bars are widely used in the aerospace, automotive, and oil & gas sectors. Their ability to withstand high stress and impact makes them suitable for manufacturing gears, shafts, crankshafts, and other critical components that require durability and precision.
Export readiness is a key advantage offered by suppliers in Malaysia, ensuring timely delivery and compliance with global quality certifications such as ASTM and SAE standards. The packaging and logistics are optimized to maintain the integrity of the bars during transit, allowing international buyers to receive products in pristine condition. This makes Malaysian exporters a reliable source for global industrial clients seeking high-grade AISI 4340 steel products.
In addition to standard specifications, customization options such as heat treatment and surface finishing are often available to meet specific client requirements. This flexibility allows manufacturers to tailor the mechanical properties of the bars to suit particular application demands. By partnering with experienced exporters, industrial buyers can access technical support and guidance for selecting the right grade and dimensions for their projects.
Overall, sourcing alloy steel round bars from Malaysia combines quality assurance, competitive pricing, and efficient supply chain management. Industrial buyers looking for robust, high-performance materials will find these products well-suited for critical manufacturing processes, ensuring long-term operational success and enhanced product lifespan.
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 Round Bar exporter in Malaysia 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 Round Bar exporter in Malaysia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 4340 Round Bar exporter in Malaysia
- 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 Malaysia
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 Malaysia
| 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 Round Bar
- ✔ High tensile strength and toughness
- ✔ Excellent hardenability for improved wear resistance
- ✔ Good machinability and weldability for diverse applications
- ✔ Suitable for heavy-duty applications in automotive and aerospace sectors
- ✔ Heat-treated for enhanced mechanical properties
- ✔ Available in various sizes and specifications to meet client 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%), Phosphorus (max 0.035%), Sulfur (max 0.040%), Chromium (0.70-0.90%), Nickel (1.65-2.00%), Molybdenum (0.20-0.30%) | High strength applications, aerospace components, automotive parts, and heavy machinery. | AISI, ASTM, SAE J403 |
| AISI 4340 Round Bar | Carbon (0.38-0.43%), Manganese (0.60-0.90%), Phosphorus (max 0.035%), Sulfur (max 0.040%), Chromium (0.70-0.90%), Nickel (1.65-2.00%), Molybdenum (0.20-0.30%) | High strength applications, aerospace components, automotive parts, and heavy machinery. | AISI, ASTM, SAE J403 |
| AISI 4340 Round Bar | Carbon (0.38-0.43%), Manganese (0.60-0.90%), Phosphorus (max 0.035%), Sulfur (max 0.040%), Chromium (0.70-0.90%), Nickel (1.65-2.00%), Molybdenum (0.20-0.30%) | High strength applications, aerospace components, automotive parts, and heavy machinery. | AISI, ASTM, SAE J403 |
Specifications Table
| Material | AISI 4340 |
|---|---|
| Grades | Alloy Steel |
| Standard | ASTM A29/A29M |
| Size Range | 10 mm to 300 mm diameter |
| Length | Up to 6 meters |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| AISI 4340 Round Bar | 0.38-0.43% C, 0.70-0.90% Mn, 1.50-1.80% Ni, 0.20-0.40% Cr, 0.15-0.30% Mo | Aerospace, automotive components, heavy-duty machinery |
| AISI 4340 Heat Treated Round Bar | 0.38-0.43% C, 0.70-0.90% Mn, 1.50-1.80% Ni, 0.20-0.40% Cr, 0.15-0.30% Mo | High-strength applications, shafts, gears |
| AISI 4340 Alloy Steel Round Bar | 0.38-0.43% C, 0.70-0.90% Mn, 1.50-1.80% Ni, 0.20-0.40% Cr, 0.15-0.30% Mo | Structural applications, military and defense components |
| AISI 4340 Quenched and Tempered Round Bar | 0.38-0.43% C, 0.70-0.90% Mn, 1.50-1.80% Ni, 0.20-0.40% Cr, 0.15-0.30% Mo | High fatigue resistance components, turbine shafts |
| AISI 4340 Normalized Round Bar | 0.38-0.43% C, 0.70-0.90% Mn, 1.50-1.80% Ni, 0.20-0.40% Cr, 0.15-0.30% Mo | Machined parts, automotive parts, oil and gas applications |
Available Sizes of AISI 4340 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 20 |
| 25 | 30 |
| 35 | 40 |
| 45 | 50 |
| 55 | 60 |
| 70 | 75 |
| 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 - 0.80 |
| 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) | 0.035 max |
| Sulfur (S) | 0.040 max |
Mechanical Properties of AISI 4340
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 1080 - 1200 |
| Yield Strength (MPa) | 930 - 980 |
| Elongation (%) | 15 - 20 |
| Hardness (HB) | 248 - 300 |
| Modulus of Elasticity (GPa) | 210 |
AISI 4340 Round Bar – Physical & Thermal Properties
Density of AISI 4340 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
Melting Point of AISI 4340 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1500 °C | 2600 - 2732 °F |
Specific Heat of AISI 4340 Round Bar
| Specific Heat of AISI 4340 Round Bar | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 486 | 20 - 100 | Annealed |
| 460 | 100 - 400 | Tempered |
| 420 | 400 - 800 | Quenched |
Electrical Resistivity of AISI 4340
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 75 | 20 | Annealed |
| 80 | 100 | |
| 85 | 200 | |
| 90 | 300 | |
| 95 | 400 | |
Equivalent of AISI 4340
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A29 | 1.6563 | G43400 |
| SAE J403 | 34CrNiMo6 | G43400 |
Manufacturing Process & Heat Treatment of AISI 4340 Round Bar
Annealing
The annealing process for AISI 4340 round bars involves heating the steel to a temperature of approximately 850-900°C, followed by slow cooling. This treatment relieves internal stresses, refines the grain structure, and improves machinability, making the material easier to work with in subsequent manufacturing processes.
Forging
Forging of AISI 4340 round bars is typically conducted at high temperatures ranging from 1100-1250°C. This process enhances the mechanical properties of the steel, including strength and toughness, by aligning the grain structure in the desired direction. The forged bars are then allowed to cool in air or at a controlled rate to minimize distortion.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-880 | Oil or Water | Increase hardness and strength |
| Tempering | 400-600 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 500-600 | Air | Eliminate residual stresses after machining |
The combination of these processes ensures that AISI 4340 round bars achieve optimal mechanical properties for various industrial applications, making them suitable for high-stress environments.
Various Types
AISI 4340 Round Bar
- Diameter: 10mm to 300mm
- Condition: Hot Rolled, Cold Drawn
- Applications: Aerospace, Automotive, Heavy Machinery
AISI 4340 Alloy Steel Round Bar
- Diameter: 20mm to 500mm
- Condition: Quenched and Tempered
- Applications: Oil and Gas Industry, Structural Components
AISI 4340 Forged Round Bar
- Diameter: 25mm to 600mm
- Condition: Forged, Annealed
- Applications: High-Strength Applications, Aerospace Components
AISI 4340 Heat Treated Round Bar
- Diameter: 15mm to 400mm
- Condition: Heat Treated, Polished
- Applications: Automotive Gears, Shafts
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 Round Bar | 3 mm | $5.00 – $5.50 | ₹410 – ₹450 |
| AISI 4340 Round Bar | 6 mm | $4.80 – $5.30 | ₹395 – ₹440 |
| AISI 4340 Round Bar | 10 mm | $4.50 – $5.00 | ₹380 – ₹420 |
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: 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 Supplier in Malaysia
- Alloy Steel Round Bar Exporter
- High Strength Steel Bar Manufacturers
- 4340 Steel Round Bar Price in Malaysia
- Heat Treated AISI 4340 Bar Exporters
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.