4140 Round Bar exporter in Kuwait
4140 Round Bar exporter in Kuwait offers high-quality alloy steel bars known for their exceptional strength, toughness, and wear resistance. These bars are manufactured from chromium-molybdenum steel, making them ideal for applications requiring superior mechanical properties and excellent fatigue resistance. Precision-rolled and heat-treated, the round bars meet international standards, ensuring consistent performance in demanding industrial environments.
The 4140 alloy steel round bars are available in various diameters and lengths, catering to diverse requirements across sectors such as automotive, aerospace, construction, and heavy machinery. Their versatility stems from excellent hardenability and machinability, allowing them to be used in shafts, gears, bolts, and other critical components that undergo high stress and impact loads.
Exporters in Kuwait ensure that these bars comply with global certifications and quality control measures, making them suitable for international industrial buyers. Each batch undergoes rigorous testing, including chemical composition analysis and mechanical property verification, to guarantee durability and performance under challenging conditions.
With strategic logistics and packaging solutions, the shipment of these steel bars is optimized for safe transit and timely delivery. Industrial clients can expect reliable supply chains and professional support for custom orders, ensuring that their material needs are met efficiently and cost-effectively.
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 Kuwait 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 Kuwait
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Round Bar exporter in Kuwait
- 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 Kuwait
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 Kuwait
| 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 and toughness
- ✔ Excellent fatigue resistance
- ✔ Versatile for various industrial applications
- ✔ Good machinability and weldability
- ✔ Heat treatable for enhanced performance
- ✔ Available in various diameters and lengths
Technical Overview of 4140 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| 4140 Round Bar | Carbon 0.38-0.43%, Manganese 0.75-1.00%, Chromium 0.80-1.10%, Molybdenum 0.15-0.25% | Used in high-stress applications such as gears, axles, and crankshafts | AISI 4140, ASTM A829, ASTM A36 |
| 4140 Round Bar | Carbon 0.38-0.43%, Manganese 0.75-1.00%, Chromium 0.80-1.10%, Molybdenum 0.15-0.25% | Commonly used in the manufacturing of tools and machinery components | SAE J403, ASTM A108 |
| 4140 Round Bar | Carbon 0.38-0.43%, Manganese 0.75-1.00%, Chromium 0.80-1.10%, Molybdenum 0.15-0.25% | Ideal for applications requiring good wear resistance and toughness | ASTM A519, ISO 683-17 |
Specifications Table
| Material | 4140 Alloy Steel |
|---|---|
| Grades | 4140, 4140HT |
| Standard | ASTM A829, AISI |
| Size Range | 0.5" to 12" diameter |
| Length | Up to 20 feet |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| 4140 Round Bar | C: 0.38-0.43%, Si: 0.15-0.40%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Machine parts, Tool manufacturing, Automotive components |
| 4140 Annealed Round Bar | C: 0.38-0.43%, Si: 0.15-0.40%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Welding, Forging, Heat treating applications |
| 4140 Quenched and Tempered Round Bar | C: 0.38-0.43%, Si: 0.15-0.40%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Heavy machinery, High-stress applications, Automotive parts |
| 4140 Pre-hard Round Bar | C: 0.38-0.43%, Si: 0.15-0.40%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Quick manufacturing, High strength applications, Structural components |
| 4140 Alloy Round Bar | C: 0.38-0.43%, Si: 0.15-0.40%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Oil and gas applications, Aerospace components, High fatigue resistance |
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 | 125 |
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) | Max 0.04 |
| Sulfur (S) | Max 0.04 |
| Iron (Fe) | Balance |
Mechanical Properties of 4140 Round Bar
| Property | Value |
|---|---|
| Tensile Strength | 655 MPa (95 ksi) |
| Yield Strength | 415 MPa (60 ksi) |
| Elongation | 20% |
| Reduction of Area | 50% |
| 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 |
| 480 | 100 - 300 | Heating |
| 500 | 300 - 600 | High Temperature |
Electrical Resistivity of 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 70 | 20 | As-rolled |
| 75 | 100 | |
| 80 | 200 | |
| 85 | 300 | |
| 90 | 400 | |
Equivalent of 4140 Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| AISI | 42CrMo4 | G41400 |
| ASTM | 4140 | G41400 |
Manufacturing Process & Heat Treatment of 4140 Round Bar
Annealing
The annealing process for 4140 round bars involves heating the material to a temperature range of 850-900°C, followed by a slow cooling process. This treatment helps to relieve internal stresses, improve ductility, and refine the microstructure, making the steel easier to machine and work with in subsequent processes.
Forging
Forging of 4140 round bars is typically performed at elevated temperatures ranging from 1100-1250°C. This hot working process enhances the mechanical properties of the steel by refining the grain structure and achieving a uniform distribution of alloying elements, resulting in improved strength and toughness.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-900 | Oil | To increase hardness and strength through the formation of martensite. |
| Tempering | 400-600 | Air | To reduce brittleness while maintaining hardness and improving toughness. |
| Stress Relieving | 600-650 | Air | To relieve residual stresses from machining and hardening processes. |
The manufacturing and heat treatment processes for 4140 round bars are critical in achieving the desired mechanical properties, ensuring that the final product meets the rigorous standards required for various industrial applications.
Various Types
4140 Round Bar - Standard
- Diameter: 10mm to 200mm
- Condition: Hot Rolled, Cold Drawn
- Applications: Automotive, Machinery, and Tool Manufacturing
4140 Round Bar - High Tensile
- Diameter: 20mm to 150mm
- Condition: Quenched and Tempered
- Applications: Heavy Equipment, Aerospace Components
4140 Round Bar - Alloy Steel
- Diameter: 15mm to 100mm
- Condition: Normalized, Annealed
- Applications: Oil and Gas, Structural Applications
4140 Round Bar - Custom Sizes
- Diameter: Custom diameters available
- Condition: Custom heat treatment options
- 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 4140 Round Bar
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| 4140 Round Bar | 3 mm | $2.50 – $3.00 | ₹207 – ₹248 |
| 4140 Round Bar | 6 mm | $2.40 – $2.90 | ₹199 – ₹240 |
| 4140 Round Bar | 10 mm | $2.30 – $2.80 | ₹192 – ₹234 |
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 Kuwait
- Alloy Steel Round Bar Exporters in Kuwait
- 4140 Round Bar Price in Kuwait
- 4140 Steel Round Bar Manufacturers in Kuwait
- 4140 Round Bar Specifications and Standards
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.