4140 Round Bar exporter in Oman
4140 Round Bar exporter in Oman plays a crucial role in supplying high-quality alloy steel bars that meet stringent industrial standards. Known for its excellent strength, toughness, and wear resistance, this chromium-molybdenum steel grade is widely sought after for manufacturing components that demand durability and precision. The round bar form is particularly favored for machining into shafts, gears, and various mechanical parts used across diverse sectors.
The material boasts a balanced combination of hardness and ductility, making it ideal for applications requiring enhanced fatigue resistance and impact strength. Typically supplied in normalized or quenched and tempered conditions, these bars offer consistent mechanical properties, including tensile strength up to 1080 MPa and good elongation, which facilitate reliable performance under challenging operational conditions.
Industries such as automotive, aerospace, oil and gas, and heavy machinery extensively utilize these alloy steel bars for critical components. Their versatility allows for machining, forging, and heat treatment processes, enabling manufacturers to tailor the final product to meet specific engineering requirements. The dimensional accuracy and surface finish of these bars ensure seamless integration into precision assemblies.
Exporters in Oman maintain rigorous quality control and certification protocols to comply with international standards such as ASTM A29 and EN 10083. This commitment ensures that the alloy steel bars are traceable, thoroughly tested, and packaged to withstand long-distance shipping, making them reliable choices for global industrial buyers seeking consistent supply chains.
With strategic logistics infrastructure and a well-established export framework, suppliers based in Oman are equipped to deliver these alloy steel products efficiently to markets worldwide. Their readiness to handle bulk orders, coupled with customization options, supports industrial clients in achieving operational excellence and maintaining competitive advantages in their respective industries.
Our Approvals | Third Party Inspection
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why 4140 Round Bar exporter in Oman 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 4140 Round Bar exporter in Oman
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Round Bar exporter in Oman
- 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 Oman
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 Oman
| 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 4140 Round Bar
- ✔ High tensile strength for enhanced performance
- ✔ Excellent fatigue resistance for long-lasting applications
- ✔ Good machinability for ease of fabrication
- ✔ Versatile material suitable for various industries
- ✔ Heat treatable to achieve specific hardness levels
- ✔ Available in multiple sizes and finishes to meet diverse requirements
Technical Overview of 4140 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| 4140 Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.80-1.10% Cr, 0.15-0.40% Mo | Used in manufacturing gears, shafts, and heavy machinery components | AISI/ASTM, SAE J403 |
| 4140 Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.80-1.10% Cr, 0.15-0.40% Mo | Ideal for high-stress applications requiring high tensile strength | ASME SA-29, API 5L |
| 4140 Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.80-1.10% Cr, 0.15-0.40% Mo | Commonly used in automotive and aerospace industries | ISO 683-17, ASTM A829 |
Specifications Table
| Material | 4140 Alloy Steel |
|---|---|
| Grades | AISI 4140, ASTM A829, ASME SA829 |
| Standard | ASTM A108, ASTM A29 |
| Size Range | 0.25 inches to 12 inches diameter |
| Length | Up to 20 feet |
| 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%, Mn: 0.75-1.00%, Si: 0.15-0.40% | Used in manufacturing parts requiring high strength and toughness, such as gears, shafts, and bolts. |
| 4140 QT Round Bar | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25%, Mn: 0.75-1.00%, Si: 0.15-0.40% | Ideal for applications that demand fatigue resistance and impact toughness, including heavy-duty automotive components. |
| 4140 Prehard Round Bar | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25%, Mn: 0.75-1.00%, Si: 0.15-0.40% | Suitable for applications where pre-hardened steel is needed, such as machining and tooling. |
| 4140 Steel Forging | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25%, Mn: 0.75-1.00%, Si: 0.15-0.40% | Commonly used in high-stress applications, including oil and gas drilling equipment, and construction machinery. |
| 4140 Round Bar Hot Rolled | C: 0.38-0.43%, Cr: 0.80-1.10%, Mo: 0.15-0.25%, Mn: 0.75-1.00%, Si: 0.15-0.40% | Utilized in structural applications and general manufacturing where high strength and ductility are required. |
Available Sizes of 4140 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 20 | 25 |
| 30 | 35 |
| 40 | 45 |
| 50 | 55 |
| 60 | 65 |
| 70 | 75 |
| 80 | 85 |
| 90 | 95 |
| 100 | 110 |
| 120 | 130 |
Chemical Properties of 4140 Round Bar
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.38 - 0.43 |
| Manganese (Mn) | 0.75 - 1.00 |
| Silicon (Si) | 0.15 - 0.40 |
| Chromium (Cr) | 0.80 - 1.10 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.04 max |
| Iron (Fe) | Balance |
Mechanical Properties of 4140 Round Bar
| Property | Value |
|---|---|
| Tensile Strength | 655 MPa |
| Yield Strength | 415 MPa |
| Elongation | 20% |
| Modulus of Elasticity | 210 GPa |
| Hardness (Brinell) | 207 HB |
4140 Round Bar – Physical & Thermal Properties
Density of 4140 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
Melting Point of 4140 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1420 - 1540 °C | 2600 - 2800 °F |
Specific Heat of 4140 Round Bar
| Specific Heat of 4140 Round Bar | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 460 | 20 - 100 | Room Temperature |
| 500 | 100 - 500 | High Temperature |
| 540 | 500 - 800 | Very High Temperature |
Electrical Resistivity of 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.00045 | 20 | Quenched and Tempered |
| 0.00047 | 100 | |
| 0.00050 | 200 | |
| 0.00052 | 300 | |
| 0.00055 | 400 | |
Equivalent of 4140 Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A829 | 1.7225 | G41400 |
| SAE J403 | 4140 | G41400 |
Manufacturing Process & Heat Treatment of 4140 Round Bar
Annealing
The annealing process for 4140 round bars involves heating the steel to a temperature range of 850°C to 900°C, followed by a slow cooling process. This treatment helps to relieve internal stresses, improve ductility, and refine the microstructure, making the material easier to work with in subsequent manufacturing processes.
Forging
Forging of 4140 round bars is typically performed at elevated temperatures, around 1100°C to 1200°C. This process enhances the mechanical properties by aligning the grain structure and increasing strength. The forged bars are then allowed to cool gradually to room temperature.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850 - 900 | Oil | To increase hardness and strength |
| Tempering | 400 - 600 | Air | To reduce brittleness and improve toughness |
| Stress Relieving | 600 - 700 | Air | To eliminate residual stresses from previous processing |
The combination of these processes ensures that 4140 round bars achieve the desired mechanical properties for various industrial applications, making them suitable for export and use in demanding environments.
Various Types
4140 Round Bar - Standard Quality
- Diameter: 20mm to 300mm
- Condition: Hot Rolled, Cold Drawn
- Applications: Automotive, Machinery, Tooling
4140 Round Bar - High Carbon
- Diameter: 10mm to 200mm
- Condition: Quenched & Tempered
- Applications: Structural components, Oil & Gas
4140 Round Bar - Alloy Steel
- Diameter: 25mm to 400mm
- Condition: Normalized
- Applications: Heavy machinery, Aerospace
4140 Round Bar - Premium Quality
- Diameter: 30mm to 500mm
- Condition: Annealed
- Applications: High-stress applications, Tool making
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 | $4.50 – $5.00 | ₹370 – ₹410 |
| 4140 Round Bar | 6 mm | $4.20 – $4.80 | ₹350 – ₹390 |
| 4140 Round Bar | 10 mm | $4.00 – $4.60 | ₹340 – ₹380 |
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: 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
- 4140 Steel Round Bar suppliers in Oman
- 4140 Alloy Steel Round Bar manufacturers in Oman
- 4140 Round Bar price in Oman
- 4140 Round Bar specifications and standards
- 4140 Steel Round Bar applications in Oman
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.