4140 Round Bar exporter in Noida
4140 Round Bar exporter in Noida offers high-grade alloy steel bars known for their exceptional strength and toughness. These bars are manufactured using chromium-molybdenum steel, making them ideal for applications that demand durability and resistance to wear and fatigue. The material's excellent hardenability and machinability make it a preferred choice in various heavy-duty industrial sectors.
The round bars are available in a range of diameters and lengths, catering to diversified engineering requirements. Precision-rolled and heat-treated, these bars exhibit uniform mechanical properties, including tensile strength, yield strength, and impact resistance. Typical specifications comply with ASTM A29/A29M standards, ensuring consistency and reliability for critical components.
Widely used in automotive, aerospace, construction, and manufacturing industries, these alloy steel bars serve as shafts, gears, bolts, and other structural components. Their ability to withstand high stress and dynamic loads makes them suitable for machining into complex parts that require dimensional stability and long service life.
Export readiness is a key aspect, with suppliers in Noida equipped to handle international shipping and quality certifications such as ISO and material test reports. Packaging is done to protect the bars from corrosion and mechanical damage during transit, ensuring that global clients receive products that meet stringent quality and delivery standards.
Industrial buyers seeking reliable and high-performance 4140 alloy steel bars benefit from the seamless procurement process and technical support available. Customized orders and bulk supply options are facilitated to meet specific project demands, reinforcing the position of Noida as a strategic hub for metal exports.
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 Noida 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 Noida
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Round Bar exporter in Noida
- 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 Noida
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 Noida
| 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 demanding applications
- ✔ Excellent wear resistance for durability
- ✔ Good machinability for easy fabrication
- ✔ High fatigue strength for improved performance
- ✔ Heat treatable to enhance hardness
- ✔ Versatile use in various industries including automotive and aerospace
Technical Overview of 4140 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| 4140 Round Bar | 0.38-0.43% Carbon, 0.75-1.00% Manganese, 0.15-0.25% Silicon, 0.80-1.10% Chromium, 0.15-0.25% Molybdenum | Used in manufacturing gears, axles, shafts, and other high-stress applications | ASTM A829, ASTM A36, SAE J403 |
| 4140 Round Bar | 0.38-0.43% Carbon, 0.75-1.00% Manganese, 0.15-0.25% Silicon, 0.80-1.10% Chromium, 0.15-0.25% Molybdenum | Ideal for applications requiring high strength and toughness | ASTM A829, ASTM A36, SAE J403 |
| 4140 Round Bar | 0.38-0.43% Carbon, 0.75-1.00% Manganese, 0.15-0.25% Silicon, 0.80-1.10% Chromium, 0.15-0.25% Molybdenum | Commonly used in oil and gas, automotive, and aerospace industries | ASTM A829, ASTM A36, SAE J403 |
Specifications Table
| Material | 4140 Steel |
|---|---|
| Grades | AISI 4140 |
| Standard | ASTM A829 |
| Size Range | 20 mm to 300 mm |
| 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 gears, axles, and crankshafts |
| 4140 HT Round Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Suitable for heavy-duty applications and high-wear environments |
| 4140 QT 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 high strength and toughness |
| 4140 Pre-Hard Round Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Used in various engineering applications including hydraulic cylinders |
| 4140 Alloy Steel 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 oil and gas industry for drilling equipment |
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 | 700 - 900 MPa |
| Yield Strength | 450 - 600 MPa |
| Elongation | 20% (min) |
| Hardness | 28 - 34 HRC |
| Modulus of Elasticity | 210 GPa |
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 | Annealed |
| 420 | 100 - 200 | Annealed |
| 390 | 200 - 400 | Annealed |
Electrical Resistivity of 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·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 | A829 | S41400 |
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°C and then allowing it to cool slowly in a furnace or air. This process helps to relieve internal stresses, improve machinability, and enhance ductility, making the steel easier to work with in subsequent manufacturing processes.
Forging
Forging of 4140 round bars is typically performed at elevated temperatures, around 1100-1200°C. This process involves shaping the steel through compressive forces, which enhances its mechanical properties, including strength and toughness. The forging process is crucial for achieving the desired dimensions and enhancing the microstructure of the steel.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-870 | Oil | To increase hardness and strength |
| Tempering | 400-700 | Air | To reduce brittleness and improve toughness |
| Stress Relieving | 600-650 | Air | To relieve residual stresses from machining |
The combination of these processes ensures that 4140 round bars meet the required mechanical properties for various industrial applications, making them suitable for high-stress environments.
Various Types
4140 Round Bar - Standard
- Diameter: 10mm to 300mm
- Condition: Hot Rolled
- Applications: Automotive components, Machinery parts
4140 Round Bar - Annealed
- Diameter: 20mm to 250mm
- Condition: Annealed
- Applications: Structural applications, Tooling
4140 Round Bar - Quenched and Tempered
- Diameter: 15mm to 200mm
- Condition: Quenched and Tempered
- Applications: High-stress applications, Heavy machinery
4140 Round Bar - Custom Sizes
- Diameter: Customizable
- Condition: Various
- Applications: Specialized manufacturing, Custom projects
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 – $2.80 | ₹207 – ₹232 |
| 4140 Round Bar | 6 mm | $2.40 – $2.70 | ₹199 – ₹223 |
| 4140 Round Bar | 10 mm | $2.30 – $2.60 | ₹190 – ₹215 |
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 Noida
- Alloy Steel Round Bar manufacturers in Noida
- 4140 Round Bar price list in Noida
- 4140 Steel Round Bar specifications
- 4140 Round Bar stockists in Noida
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.