4140 Round Bar exporter in Brazil
4140 Round Bar exporter in Brazil offers high-quality alloy steel bars known for their exceptional strength and versatility. These bars, composed primarily of chromium, molybdenum, and manganese, are engineered to deliver superior mechanical properties including high tensile strength, toughness, and wear resistance. Ideal for a variety of industrial applications, these precision-manufactured round bars comply with international standards, ensuring reliability for demanding engineering projects.
The 4140 alloy steel bars are typically supplied in various diameters and lengths to meet diverse customer specifications. Heat treatment processes such as quenching and tempering enhance their hardness and fatigue resistance, making them suitable for components subjected to high stress and impact. Their excellent machinability and weldability further extend their usability in fabricating shafts, gears, bolts, and heavy-duty automotive parts.
Brazilian exporters maintain strict quality control and certification protocols, including adherence to ASTM A29/A29M and DIN EN standards. This guarantees that the round bars meet global industrial requirements, making them a preferred choice for international buyers. The robust supply chain and efficient logistics infrastructure in Brazil support timely and cost-effective shipments across multiple continents.
These alloy steel bars find extensive use in sectors such as aerospace, oil and gas, construction, and heavy machinery manufacturing. Their balanced combination of hardness and ductility allows manufacturers to produce components that can withstand elevated temperatures and corrosive environments. Exporters often provide customization options, including surface finishes and dimensional tolerances, tailored to client needs.
For industrial buyers seeking a reliable source of high-performance alloy steel round bars, Brazilian suppliers offer export-ready inventory with comprehensive documentation and after-sales support. With a focus on quality assurance and consistent supply, they facilitate seamless integration into global manufacturing workflows, ensuring that clients receive materials that meet stringent engineering demands.
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 Brazil 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 Brazil
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Round Bar exporter in Brazil
- 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 Brazil
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 Brazil
| 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 easier fabrication
- ✔ Versatile material for various industrial uses
- ✔ Ability to be heat treated to enhance performance
- ✔ Consistent quality and reliable supply from Brazil
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% Phosphorus, 0.04-0.10% Sulfur, 0.80-1.10% Chromium, 0.15-0.30% Molybdenum | Used in high-stress applications, including automotive and machinery components, structural applications, and tool manufacturing. | AISI/SAE, ASTM A829, ASTM A336 |
| 4140 Round Bar | 0.38-0.43% Carbon, 0.75-1.00% Manganese, 0.15-0.25% Phosphorus, 0.04-0.10% Sulfur, 0.80-1.10% Chromium, 0.15-0.30% Molybdenum | Ideal for manufacturing gears, axles, and crankshafts due to its excellent hardenability and toughness. | AISI/SAE, ASTM A829, ASTM A336 |
| 4140 Round Bar | 0.38-0.43% Carbon, 0.75-1.00% Manganese, 0.15-0.25% Phosphorus, 0.04-0.10% Sulfur, 0.80-1.10% Chromium, 0.15-0.30% Molybdenum | Commonly used for oil and gas drilling equipment, heavy machinery, and military applications. | AISI/SAE, ASTM A829, ASTM A336 |
Specifications Table
| Material | 4140 Steel |
|---|---|
| Grades | AISI 4140 |
| Standard | ASTM A829, ASTM AISI |
| Size Range | 1.0 inch to 12.0 inches diameter |
| Length | Up to 20 feet |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| 4140 Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | High-strength applications, automotive components, gears |
| 4140 HT Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | Machined parts, tooling, oil and gas industry |
| 4140 QT Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | Heavy-duty machinery, structural components |
| 4140 Prehard Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | High-stress applications, automotive, aerospace |
| 4140 Alloy Steel Round Bar | Carbon: 0.38-0.43%, Chromium: 0.8-1.1%, Molybdenum: 0.15-0.25% | General engineering, high-load applications |
Available Sizes of 4140 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 | 12 |
| 14 | 16 |
| 18 | 20 |
| 22 | 25 |
| 28 | 30 |
| 32 | 35 |
| 38 | 40 |
| 45 | 50 |
| 55 | 60 |
| 65 | 70 |
Chemical Properties of 4140 Round Bar
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.38 - 0.43 |
| Manganese (Mn) | 0.75 - 1.00 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.04 max |
| Chromium (Cr) | 0.80 - 1.10 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Silicon (Si) | 0.15 - 0.40 |
| 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% (in 50 mm) |
| Hardness | 28 HRC |
| Modulus of Elasticity | 210 GPa (30.5 x 106 psi) |
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 - 500 | Annealed |
| 480 | 500 - 800 | Tempered |
| 500 | 800 - 1000 | Quenched |
Electrical Resistivity of 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 74 | 20 | Annealed |
| 79 | 100 | |
| 84 | 200 | |
| 90 | 300 | |
| 95 | 400 | |
Equivalent of 4140 Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| AISI | 1.7225 | 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 of approximately 850-900°C, followed by a slow cooling process. This treatment helps to relieve internal stresses, improve machinability, and enhance the overall ductility of the steel.
Forging
Forging of 4140 round bars is typically performed at temperatures ranging from 1100-1250°C. This process involves shaping the steel through compressive forces, enhancing its strength and structural integrity while refining its grain structure.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 850-880 | Oil or Water | To increase hardness and strength |
| Tempering | 400-700 | Air | To reduce brittleness and achieve desired toughness |
| Stress Relieving | 600-650 | Air | To relieve residual stresses from the hardening process |
The manufacturing and heat treatment processes for 4140 round bars in Brazil ensure high-quality steel products that meet international standards, suitable for various industrial applications.
Various Types
4140 Round Bar - Standard
- Diameter: 10mm to 300mm
- Condition: Hot Rolled, Cold Drawn
- Applications: Automotive, Aerospace, Machinery
4140 Round Bar - Alloy Treated
- Diameter: 20mm to 150mm
- Condition: Quenched and Tempered
- Applications: Tooling, Oil and Gas, Structural Applications
4140 Round Bar - High Strength
- Diameter: 12mm to 250mm
- Condition: Annealed, Normalized
- Applications: Heavy Equipment, Mining, Automotive Components
4140 Round Bar - Custom Sizes
- Diameter: Customizable
- Condition: Customized per Client Requirements
- Applications: Specialized Applications, Custom Fabrication
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 | $2.45 – $2.75 | ₹203 – ₹228 |
| 4140 Round Bar | 10 mm | $2.40 – $2.70 | ₹199 – ₹225 |
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 Brazil
- 4140 Alloy Steel Round Bar Price in Brazil
- 4140 Round Bar Manufacturers in Brazil
- 4140 Steel Round Bar Importers in Brazil
- 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.