AISI 4140 Round Bar exporter in Kuwait
AISI 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 demanding industrial applications where durability and performance are critical. The round bars undergo precise heat treatment processes to enhance their mechanical properties, ensuring they meet stringent international standards.
The product is widely used across various sectors, including automotive, aerospace, construction, and heavy machinery manufacturing. Its excellent hardenability and fatigue resistance make it suitable for components such as shafts, gears, bolts, and studs. Additionally, the versatility of AISI 4140 steel allows it to be machined, welded, and heat-treated with relative ease, providing manufacturers with flexibility in design and production.
Exporters in the region maintain rigorous quality control measures and certification compliance to guarantee that the alloy steel bars meet global specifications such as ASTM A29 and SAE standards. Each shipment is carefully inspected for dimensional accuracy, surface finish, and chemical composition, ensuring that industrial buyers receive products that perform reliably under high stress and harsh operating conditions.
With a well-established logistics network in Kuwait, suppliers ensure timely delivery and safe packaging of the round bars to various international destinations. Their export readiness includes comprehensive documentation, including material test reports and certificates of origin, which facilitate smooth customs clearance and seamless integration into the buyersβ supply chains.
Industrial buyers looking for robust and precision-engineered alloy steel round bars can rely on these exporters for consistent quality and competitive pricing. The combination of superior material properties, adherence to international standards, and efficient export capabilities makes this offering a trusted choice for critical manufacturing and repair applications worldwide.
Our Approvals | Third Party Inspection
Lead Time
2β7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why AISI 4140 Round Bar exporter in Kuwait 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 AISI 4140 Round Bar exporter in Kuwait
- 2. How to Choose the Right Manufacturer
- 3.Comparison of AISI 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 AISI 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 AISI 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 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 AISI 4140 Round Bar
- β High tensile strength and impact resistance
- β Excellent wear and abrasion resistance
- β Good machinability and weldability
- β Suitable for high-stress applications
- β Available in various diameters and lengths
- β Compliance with international quality standards
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 applications requiring high strength and toughness, such as gears, axles, and crankshafts. | ASTM A829, 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 | Widely used in the oil and gas industry for drilling components and high-stress applications. | ASTM A829, 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 utilized in automotive applications for manufacturing suspension components and hydraulic systems. | ASTM A829, SAE J403 |
Specifications Table
| Material | AISI 4140 |
|---|---|
| Grades | 4140 |
| Standard | ASTM A29/A29M |
| Size Range | Diameters from 10 mm to 300 mm |
| Length | Up to 6 meters |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| AISI 4140 Round Bar | C: 0.38-0.43%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Used in high-stress applications such as axles, shafts, and crankshafts. |
| AISI 4140 HT Round Bar | C: 0.38-0.43%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Ideal for applications requiring high strength and toughness, like gears and heavy-duty machinery. |
| AISI 4140 Q&T Round Bar | C: 0.38-0.43%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Commonly used in oil and gas applications and structural components under high loads. |
| AISI 4140 Prehard Round Bar | C: 0.38-0.43%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Suitable for machining and fabrication where high yield strength is needed. |
| AISI 4140 Alloy Round Bar | C: 0.38-0.43%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Used in the manufacturing of tools, dies, and high-pressure applications. |
Available Sizes of AISI 4140 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 20 |
| 30 | 40 |
| 50 | 60 |
| 70 | 80 |
| 90 | 100 |
| 110 | 120 |
| 130 | 140 |
| 150 | 160 |
| 170 | 180 |
| 190 | 200 |
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) | 0.80 - 1.10 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.04 max |
| Iron (Fe) | Balance |
Mechanical Properties of AISI 4140
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 655 - 850 |
| Yield Strength (MPa) | 415 - 690 |
| Elongation (% in 50 mm) | 15 - 25 |
| Hardness (HB) | 207 - 241 |
| Impact Toughness (J) | 30 - 40 |
AISI 4140 Round Bar β Physical & Thermal Properties
Density of AISI 4140 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7850 kg/mΒ³ | 490 lb/ftΒ³ |
Melting Point of AISI 4140 Round Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1420 - 1540 Β°C | 2600 - 2800 Β°F |
Specific Heat of AISI 4140 Round Bar
| Specific Heat of AISI 4140 Round Bar | ||
|---|---|---|
| Specific Heat (J/kgΒ·K) | Temperature Range (Β°C) | Condition |
| 460 | 20 - 100 | Annealed |
| 480 | 100 - 500 | Tempered |
| 500 | 500 - 800 | Quenched |
Electrical Resistivity of AISI 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·m) | Temperature (°C) | Treatment or Condition |
| 74.0 | 20 | Normalized |
| 75.0 | 100 | |
| 76.0 | 200 | |
| 77.0 | 300 | |
| 78.0 | 400 | |
Equivalent of AISI 4140
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A29 | 1.7225 | G41400 |
| EN 10083-3 | 42CrMo4 | 1.7227 |
Manufacturing Process & Heat Treatment of AISI 4140 Round Bar
Annealing
Annealing of AISI 4140 round bar is performed to relieve internal stresses and improve machinability. The process involves heating the steel to a temperature range of 850-900Β°C, followed by slow cooling in a furnace. This treatment refines the grain structure, enhancing ductility and toughness.
Forging
The forging process for AISI 4140 round bars is typically conducted at temperatures between 1100-1250Β°C. This process enhances the mechanical properties of the steel by refining its microstructure through deformation. The forged bars are then cooled in air to room temperature, maintaining their integrity and strength.
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 |
| Stress Relieving | 600-650 | Furnace | Minimize residual stresses after machining |
The manufacturing and heat treatment processes for AISI 4140 round bars are critical in achieving the desired mechanical properties and performance characteristics required for various industrial applications.
Various Types
AISI 4140 Round Bar - Hot Rolled
- Diameter: 25mm to 300mm
- Condition: Hot Rolled
- Applications: Automotive components, Machinery parts
AISI 4140 Round Bar - Cold Drawn
- Diameter: 10mm to 250mm
- Condition: Cold Drawn
- Applications: Precision machining, Tool making
AISI 4140 Round Bar - Annealed
- Diameter: 20mm to 200mm
- Condition: Annealed
- Applications: Welding, Heat treatment
AISI 4140 Round Bar - Quenched and Tempered
- Diameter: 15mm to 150mm
- Condition: Quenched and Tempered
- Applications: High strength applications, Structural components
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 | 3 mm | $4.50 β $5.00 | βΉ370 β βΉ410 |
| AISI 4140 | 6 mm | $4.30 β $4.80 | βΉ360 β βΉ400 |
| AISI 4140 | 10 mm | $4.10 β $4.60 | βΉ350 β βΉ390 |
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: 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
- AISI 4140 Steel Supplier in Kuwait
- 4140 Alloy Steel Round Bar Price in Kuwait
- 4140 Steel Round Bar Manufacturer in Kuwait
- Heat Treatment of AISI 4140 Steel in Kuwait
- 4140 Steel Round Bar Specifications
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.