4140 Round Bar exporter in Singapore
4140 Round Bar exporter in Singapore offers high-quality alloy steel bars renowned for their excellent strength, toughness, and wear resistance. These bars are manufactured from 4140 steel, a chromium-molybdenum alloy known for its balanced mechanical properties and superior hardenability. The round bars are precision-rolled to meet strict dimensional tolerances, making them suitable for a wide range of industrial applications.
Typically supplied in various diameters and lengths, these alloy steel bars are heat-treated to achieve optimal hardness and tensile strength. The 4140 steel composition includes carbon, chromium, molybdenum, and manganese, which contribute to its ability to withstand high stress and impact. This makes the product ideal for manufacturing shafts, gears, bolts, and other critical components that require durability and fatigue resistance.
Industries such as automotive, aerospace, heavy machinery, and oil and gas heavily rely on these bars for their demanding operational environments. The materialβs excellent machinability and weldability further enhance its versatility, allowing fabricators to produce custom parts with precision. Additionally, the corrosion resistance properties ensure longevity even in harsh conditions.
Exporters based in Singapore ensure that the round bars comply with international standards such as ASTM A29 and EN 10083, guaranteeing consistent quality and performance. The bars are packaged securely to prevent damage during transit and are readily available for bulk orders to meet global supply chain requirements. This export readiness makes them a preferred choice for industrial buyers seeking reliable and timely delivery.
With a robust supply chain infrastructure and stringent quality control measures, suppliers in Singapore provide seamless logistics support, including documentation and customs clearance. This facilitates smooth international shipments and helps businesses maintain uninterrupted production schedules. Choosing these 4140 alloy steel bars ensures access to premium materials backed by professional service and global export capabilities.
Our Approvals | Third Party Inspection
Lead Time
2β7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why 4140 Round Bar exporter in Singapore 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 4140 Round Bar exporter in Singapore
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Round Bar exporter in Singapore
- 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 4140 Round Bar exporter in Singapore
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 4140 Round Bar exporter in Singapore
| 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 4140 Round Bar
- β High tensile strength for enhanced durability
- β Excellent machinability for precision engineering
- β Good weldability, suitable for various fabrication processes
- β Superior wear resistance, ideal for demanding applications
- β Available in various sizes to meet project specifications
- β Conforms to ASTM standards for quality assurance
Technical Overview of 4140 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| 4140 Round Bar | Carbon: 0.38-0.43%, Chromium: 0.90-1.20%, Manganese: 0.75-1.00%, Molybdenum: 0.15-0.25% | Used in the manufacturing of gears, axles, and other components requiring high strength and toughness. | ASTM A829, AMS 6349 |
| 4140 Round Bar | Carbon: 0.38-0.43%, Chromium: 0.90-1.20%, Manganese: 0.75-1.00%, Molybdenum: 0.15-0.25% | Ideal for heavy-duty applications in the automotive and aerospace industries. | SAE J404, ISO 683-17 |
| 4140 Round Bar | Carbon: 0.38-0.43%, Chromium: 0.90-1.20%, Manganese: 0.75-1.00%, Molybdenum: 0.15-0.25% | Commonly used in the production of high-stress structural components. | DIN 17200, EN 10083-3 |
Specifications Table
| Material | 4140 Steel |
|---|---|
| Grades | AISI 4140 |
| Standard | ASTM A29/A29M |
| Size Range | 20mm to 300mm diameter |
| Length | Up to 6 meters |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| 4140 Round Bar | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Used in the manufacturing of gears, shafts, and heavy machinery components. |
| 4140 HT Round Bar | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Ideal for high-stress applications such as automotive and aerospace components. |
| 4140 QT Round Bar | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Commonly used in oil and gas drilling equipment, and high-performance machinery. |
| 4140 Alloy Steel Round Bar | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Suitable for making tools and dies requiring high toughness and strength. |
| 4140 Pre-Hardened Round Bar | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Used in applications where hardness and wear resistance are critical. |
Available Sizes of 4140 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 12 |
| 14 | 16 |
| 18 | 20 |
| 22 | 25 |
| 28 | 30 |
| 32 | 35 |
| 40 | 45 |
| 50 | 55 |
| 60 | 65 |
| 70 | 75 |
Chemical Properties of 4140 Round Bar
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.38 - 0.43 |
| Manganese (Mn) | 0.75 - 1.00 |
| Chromium (Cr) | 0.80 - 1.10 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.040 max |
| Silicon (Si) | 0.15 - 0.40 |
| Iron (Fe) | Balance |
Mechanical Properties of 4140 Round Bar
| Property | Value |
|---|---|
| Tensile Strength | 655 MPa (95 ksi) |
| Yield Strength | 415 MPa (60 ksi) |
| Elongation | 21% |
| Hardness | 28-34 HRC |
| Modulus of Elasticity | 200 GPa (29,000 ksi) |
4140 Round Bar β Physical & Thermal Properties
Density of 4140 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cmΒ³ | 0.284 lb/inΒ³ |
Melting Point of 4140 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1426 - 1540 Β°C | 2600 - 2800 Β°F |
Specific Heat of 4140 Round Bar
| Specific Heat of 4140 Round Bar | ||
|---|---|---|
| Specific Heat (J/kgΒ·K) | Temperature Range (Β°C) | Condition |
| 460 | 20 - 100 | Annealed |
| 400 | 100 - 500 | Tempered |
| 350 | 500 - 800 | Hardened |
Electrical Resistivity of 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·m) | Temperature (°C) | Treatment or Condition |
| 75 | 20 | Quenched and Tempered |
| 80 | 100 | |
| 85 | 200 | |
| 90 | 300 | |
| 95 | 400 | |
Equivalent of 4140 Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| AISI | 1.7225 | G41400 |
| ASTM | A29 | 4140 |
Manufacturing Process & Heat Treatment of 4140 Round Bar
Annealing
The annealing process for 4140 round bar involves heating the material to a temperature of approximately 870-910Β°C (1600-1700Β°F) and then allowing it to cool slowly in a furnace. This process helps to relieve internal stresses and improve the material's ductility and machinability.
Forging
Forging of 4140 round bars is typically conducted at temperatures between 1100-1250Β°C (2012-2282Β°F). The forging process enhances the mechanical properties of the steel through deformation, resulting in improved strength and toughness compared to cast or wrought materials.
Hardening & Tempering
| Process | Temperature Range (Β°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 830-860 | Oil | Increase hardness and strength |
| Tempering | 400-700 | Air | Reduce brittleness and relieve stresses |
| Final Annealing | 600-650 | Furnace | Enhance ductility and toughness |
The manufacturing and heat treatment processes of 4140 round bars are critical in achieving the desired mechanical properties for various industrial applications. These processes ensure that the bars are suitable for use in demanding environments, including automotive, aerospace, and construction sectors.
Various Types
4140 Round Bar - Standard
- Diameter: 20mm to 300mm
- Condition: Hot Rolled, Cold Drawn
- Applications: Automotive, Oil and Gas, Machinery Components
4140 Round Bar - High Tensile
- Diameter: 25mm to 100mm
- Condition: Quenched and Tempered
- Applications: Aerospace, Heavy Machinery, Structural Components
4140 Round Bar - Alloy Steel
- Diameter: 15mm to 250mm
- Condition: Annealed, Normalized
- Applications: Tooling, Dies, Pressure Vessels
4140 Round Bar - Custom Sizes
- Diameter: Customizable options available
- Condition: As per customer specifications
- Applications: Specialized machinery, 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 4140 Round Bar
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| 4140 Round Bar | 3 mm | $2.50 β $3.00 | βΉ207 β βΉ248 |
| 4140 Round Bar | 6 mm | $2.70 β $3.20 | βΉ224 β βΉ265 |
| 4140 Round Bar | 10 mm | $3.00 β $3.50 | βΉ248 β βΉ290 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for 4140 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
- 4140 Steel Round Bar Suppliers in Singapore
- Alloy Steel Round Bar Exporter Singapore
- 4140 Round Bar Price in Singapore
- 4140 Steel Round Bar Manufacturers Singapore
- Best 4140 Round Bar Dealers in Singapore
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.