4140 Round Bar exporter in Punjab
4140 Round Bar exporter in Punjab offers high-quality alloy steel bars known for their exceptional strength and toughness. These round bars, composed primarily of chromium and molybdenum, are widely recognized for their excellent hardenability and resistance to wear and fatigue. Ideal for industrial applications, the bars undergo precise manufacturing processes to meet stringent international standards, ensuring consistent dimensional accuracy and superior mechanical properties.
The 4140 alloy steel round bars are available in various diameters and lengths, catering to diverse industrial requirements. With a typical tensile strength ranging between 90,000 to 100,000 psi and excellent machinability, these bars are particularly suitable for components subjected to high stress. Heat treatment options such as annealing, quenching, and tempering further enhance the materialβs performance, making it adaptable for a broad range of engineering applications.
Commonly used in the manufacturing of gears, shafts, bolts, and automotive parts, this round bar is favored in sectors like construction, oil and gas, and heavy machinery. Its balanced chemical composition ensures resistance to corrosion and fatigue, which is critical for parts exposed to fluctuating loads and harsh environments. The materialβs versatility makes it a preferred choice for fabricators and engineers focused on durability and reliability.
Export readiness is a key aspect, with suppliers in Punjab maintaining rigorous quality control and certification processes to comply with global trade requirements. Packaging is designed to protect the bars during transit, and logistics partners ensure timely delivery to international markets. Buyers can expect seamless export procedures supported by comprehensive documentation, including mill test reports and compliance certificates.
For industrial buyers seeking robust and precision-engineered alloy steel round bars, sourcing from an established Punjab exporter guarantees access to premium 4140 steel products. Their commitment to quality, customization options, and adherence to export standards make them a dependable partner for global manufacturing and engineering supply chains.
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 Punjab 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 Punjab
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Round Bar exporter in Punjab
- 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 Punjab
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 Punjab
| 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 demanding applications
- β Excellent weldability and machinability
- β Good impact resistance in low temperatures
- β Versatile material suitable for various industries
- β Heat treatable for enhanced hardness and wear resistance
- β Available in various sizes and lengths to meet specific needs
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 applications requiring high tensile strength, such as gears, shafts, and heavy machinery components. | ASTM A829, ASME SA829 |
| 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 automotive and aerospace industries for manufacturing critical components. | SAE J403, ISO 683-17 |
| 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 heat-treated applications due to its excellent hardenability and wear resistance. | EN 10083-3, DIN 17200 |
Specifications Table
| Material | 4140 Alloy Steel |
|---|---|
| Grades | 4140, 4142 |
| Standard | AISI/ASTM |
| Size Range | 20 mm to 300 mm diameter |
| Length | 3 m to 6 m |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| 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 manufacturing machinery components, automotive parts, and heavy-duty equipment. |
| 4140 HT Round Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Ideal for high-stress applications, such as gears, shafts, and axles. |
| 4140 QT Round Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Suitable for parts requiring enhanced toughness and fatigue resistance. |
| 4140 Round Bar (Normalized) | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Commonly used in applications where stress relief is necessary after machining. |
| 4140 Round Bar (Cold Drawn) | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Used for precision applications requiring tight tolerances and smooth finishes. |
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 |
| Chromium (Cr) | 0.80 - 1.10 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Silicon (Si) | 0.15 - 0.40 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.04 max |
| Iron (Fe) | Balance |
Mechanical Properties of 4140 Round Bar
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 655 |
| Yield Strength (MPa) | 415 |
| Elongation (%) | 21 |
| Hardness (HB) | 235 |
| Modulus of Elasticity (GPa) | 210 |
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 | 1420 - 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 |
| 500 | 20 - 100 | Room Temperature |
| 600 | 100 - 300 | Heating |
| 700 | 300 - 600 | High Temperature |
Electrical Resistivity of 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·m) | Temperature (°C) | Treatment or Condition |
| 70 | 20 | Normalized |
| 75 | 100 | |
| 80 | 200 | |
| 85 | 300 | |
| 90 | 400 | |
Equivalent of 4140 Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| AISI | 1.7225 | G41400 |
| ASTM | A829 | 4140 |
Manufacturing Process & Heat Treatment of 4140 Round Bar
Annealing
Annealing of 4140 round bars involves heating the material to a temperature range of 850-900 Β°C, followed by slow cooling. This process is essential for reducing hardness, improving machinability, and relieving internal stresses generated during previous manufacturing processes.
Forging
The forging process of 4140 round bars is typically conducted at temperatures between 1150-1250 Β°C. This process enhances the mechanical properties of the steel, allowing for better strength and toughness. The hot working conditions help to refine the grain structure, resulting in improved performance in applications.
Hardening & Tempering
| Process | Temperature Range (Β°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 830-860 | Oil | To increase hardness and strength through the formation of martensite. |
| Tempering | 400-600 | Air | To reduce brittleness and relieve stresses while maintaining hardness. |
| Hardening | 900-950 | Water | To achieve higher hardness levels for specific applications. |
The combination of these processes ensures that 4140 round bars meet the stringent requirements for strength, toughness, and wear resistance, making them suitable for various industrial applications.
Various Types
4140 Chrome Moly Round Bar
- Diameter: 20mm to 300mm
- Condition: Hot Rolled, Cold Drawn
- Applications: Automotive, Machinery, Oil & Gas
4140 Annealed Round Bar
- Diameter: 30mm to 200mm
- Condition: Annealed
- Applications: Construction, Tooling, Heavy Equipment
4140 Quenched and Tempered Round Bar
- Diameter: 25mm to 150mm
- Condition: Quenched and Tempered
- Applications: Aerospace, Defense, High-stress Components
4140 Alloy Steel Round Bar
- Diameter: 10mm to 400mm
- Condition: Various (Hot Rolled, Cold Drawn, Annealed)
- Applications: General Manufacturing, Heavy Machinery
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 | $2.30 β $2.80 | βΉ191 β βΉ232 |
| 4140 Round Bar | 10 mm | $2.10 β $2.60 | βΉ174 β βΉ216 |
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 Punjab
- 4140 Alloy Steel Round Bar Manufacturers
- 4140 Round Bar Price in Punjab
- 4140 Steel Round Bar Stockists in India
- 4140 Round Bar Exporters in India
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.