AISI 4140 Round Bar exporter in Malaysia
AISI 4140 Round Bar exporter in Malaysia plays a crucial role in supplying high-quality alloy steel bars to various industrial sectors. Known for its excellent strength, toughness, and wear resistance, AISI 4140 is a chromium-molybdenum steel commonly used in manufacturing components that require high fatigue strength and impact toughness. The round bar form offers versatility for machining and fabrication, making it a preferred choice for critical applications.
The material properties of this alloy steel include a balanced combination of hardness and ductility, which can be further enhanced through heat treatment processes such as quenching and tempering. Typical dimensions of these bars vary, but exporters in Malaysia provide a wide range of diameters and lengths to meet diverse engineering requirements. The chemical composition ensures resistance to corrosion and oxidation, making it suitable for harsh operating environments.
Industries that frequently utilize these alloy steel bars include automotive, aerospace, construction, and heavy machinery manufacturing. Common applications involve the production of gears, shafts, bolts, and high-stress machinery parts where durability and reliability are paramount. The mechanical properties allow these bars to withstand significant mechanical loads and cyclical stress without failure.
Exporters based in Malaysia emphasize strict quality control measures, including adherence to international standards such as ASTM and SAE specifications. This commitment ensures that the products meet global industrial benchmarks, facilitating smooth export operations. Additionally, logistical capabilities and efficient supply chain management enable timely delivery to international clients, supporting large-scale industrial projects worldwide.
With a focus on delivering superior alloy steel products, Malaysian suppliers offer AISI 4140 round bars that are ready for export, backed by comprehensive certification and traceability. Buyers can expect consistent quality, competitive pricing, and customized solutions tailored to specific technical requirements, making Malaysia a reliable source for this critical engineering material.
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 4140 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 4140 Round Bar exporter in Malaysia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 4140 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 4140 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 4140 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 4140 Round Bar
- ✔ High tensile strength and hardness, suitable for heavy-duty applications
- ✔ Excellent wear resistance, ensuring longer service life
- ✔ Good machinability, allowing for versatile fabrication options
- ✔ Superior fatigue resistance, enhancing performance under cyclical loads
- ✔ Available in various diameters and lengths to meet specific requirements
- ✔ Compliance with international standards for quality assurance
Technical Overview of AISI 4140 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| AISI 4140 Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.80-1.10% Cr, 0.15-0.30% Mo | Used in manufacturing of gears, axles, and shafts due to its high strength and toughness | ASTM A829, AMS 6345, SAE J403 |
| AISI 4140 Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.80-1.10% Cr, 0.15-0.30% Mo | Ideal for heavy-duty applications in the automotive and aerospace industries | ASTM A829, AMS 6345, SAE J403 |
| AISI 4140 Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.80-1.10% Cr, 0.15-0.30% Mo | Commonly used in the construction of high-stress components | ASTM A829, AMS 6345, SAE J403 |
Specifications Table
| Material | AISI 4140 Alloy Steel |
|---|---|
| Grades | 4140, 4142 |
| Standard | ASTM A829, AMS 6349 |
| Size Range | 10 mm to 300 mm diameter |
| Length | Up to 6000 mm |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| AISI 4140 Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | Used in manufacturing gears, axles, and heavy-duty machinery components. |
| AISI 4140 HT Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | Ideal for high-stress applications such as automotive and aerospace parts. |
| AISI 4140 QT Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | Used in applications requiring high tensile strength and toughness. |
| AISI 4140 Annealed Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | Commonly used for machining and fabrication processes. |
| AISI 4140 Tempered Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | Suitable for components requiring improved ductility and impact resistance. |
Available Sizes of AISI 4140 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 20 |
| 25 | 30 |
| 35 | 40 |
| 45 | 50 |
| 55 | 60 |
| 65 | 70 |
| 75 | 80 |
| 85 | 90 |
| 95 | 100 |
| 110 | 120 |
Chemical Properties of AISI 4140
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.38 - 0.43 |
| Manganese (Mn) | 0.75 - 1.00 |
| Silicon (Si) | 0.15 - 0.40 |
| Chromium (Cr) | 0.90 - 1.20 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Phosphorus (P) | Max 0.04 |
| Sulfur (S) | Max 0.04 |
| Iron (Fe) | Balance |
Mechanical Properties of AISI 4140
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 655 - 850 |
| Yield Strength (MPa) | 415 - 620 |
| Elongation (%) | 18 - 22 |
| Hardness (HB) | 207 - 248 |
| Impact Toughness (J) | 40 - 60 |
AISI 4140 Round Bar – Physical & Thermal Properties
Density of AISI 4140 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
Melting Point of AISI 4140 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1420 - 1540 °C | 2600 - 2800 °F |
Specific Heat of AISI 4140 Round Bar
| Specific Heat of AISI 4140 Round Bar | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 460 | 20 - 100 | Annealed |
| 480 | 100 - 500 | Quenched |
| 500 | 500 - 800 | Tempered |
Electrical Resistivity of AISI 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 74 | 20 | As-rolled |
| 75 | 100 | |
| 76 | 200 | |
| 78 | 300 | |
| 80 | 400 | |
Equivalent of AISI 4140
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A29 | 1.7225 | G41400 |
| EN 10083-1 | 42CrMo4 | 1.7225 |
Manufacturing Process & Heat Treatment of AISI 4140 Round Bar
Annealing
Annealing of AISI 4140 round bars is performed to relieve internal stresses and improve machinability. The bars are heated to a temperature range of 850-900°C for a specified period, followed by slow cooling in a furnace. This process enhances the material's ductility and toughness, making it easier to work with during subsequent manufacturing processes.
Forging
Forging of AISI 4140 round bars involves heating the steel to a temperature of approximately 1100-1250°C and then shaping it under mechanical force. This process refines the grain structure and increases the strength of the material. The forged bars are then allowed to cool gradually to room temperature, ensuring uniform properties throughout the material.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-870 | Oil | Increase hardness and strength |
| Tempering | 400-600 | Air | Reduce brittleness and improve toughness |
| Final Tempering | 200-300 | Air | Stabilize microstructure and finalize properties |
The combination of these processes ensures that AISI 4140 round bars meet the required mechanical properties for various industrial applications, providing a balance of strength, toughness, and wear resistance.
Various Types
AISI 4140 Round Bar - Standard
- Diameter: 20mm to 300mm
- Condition: Hot Rolled, Annealed
- Applications: Automotive, Machinery, Oil & Gas
AISI 4140 Round Bar - Quenched and Tempered
- Diameter: 25mm to 150mm
- Condition: Quenched and Tempered
- Applications: High-stress components, Gear shafts
AISI 4140 Round Bar - Cold Finished
- Diameter: 10mm to 100mm
- Condition: Cold Finished
- Applications: Precision machining, Tooling
AISI 4140 Round Bar - Custom Sizes
- Diameter: Customizable
- Condition: Various
- Applications: Custom engineering solutions
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 4140 Round Bar
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| AISI 4140 Round Bar | 3 mm | $2.50 – $2.70 | ₹207 – ₹224 |
| AISI 4140 Round Bar | 6 mm | $2.40 – $2.60 | ₹199 – ₹215 |
| AISI 4140 Round Bar | 10 mm | $2.30 – $2.50 | ₹192 – ₹207 |
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 4140 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 4140 Steel Supplier in Malaysia
- 4140 Round Bar Price in Malaysia
- 4140 Steel Properties and Applications
- Alloy Steel Round Bar Exporter
- Best AISI 4140 Round Bar Manufacturers
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.