4140 Round Bar exporter in Spain
4140 Round Bar exporter in Spain offers high-quality alloy steel bars known for their exceptional strength, toughness, and wear resistance. These bars are primarily composed of chromium-molybdenum steel, making them suitable for a variety of demanding industrial applications. The round bars are precision-manufactured to meet stringent dimensional tolerances and mechanical properties, ensuring reliability in critical engineering projects.
The alloy steel bars are available in multiple diameters and lengths, often supplied in normalized, quenched, and tempered conditions to enhance their mechanical performance. With a typical tensile strength ranging between 95,000 to 110,000 psi and excellent fatigue resistance, these bars are ideal for manufacturing shafts, gears, bolts, and other high-stress components. Their machinability and weldability further increase their versatility across different fabrication processes.
Industries such as automotive, aerospace, heavy machinery, and oil & gas rely heavily on this grade due to its superior hardenability and resistance to impact and abrasion. The round bars are often used in parts that require high fatigue strength and dimensional stability under fluctuating loads and harsh environments. This makes them indispensable for applications involving rotating equipment, structural components, and tooling.
Exporters in Spain ensure that all products comply with international standards such as ASTM A29 and EN 10083-3, accompanied by comprehensive test certificates including chemical analysis, mechanical testing, and non-destructive examination reports. The logistical capabilities include secure packaging, timely delivery, and adherence to export regulations, facilitating seamless supply chain integration for global industrial buyers.
With a focus on quality assurance and customer-specific requirements, suppliers in Spain are well-equipped to provide tailored solutions for 4140 alloy round bars. Their expertise in export readiness guarantees reliable sourcing for manufacturers and fabricators seeking durable materials that meet global industrial standards and demanding operational conditions.
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 Spain 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 Spain
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Round Bar exporter in Spain
- 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 Spain
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 Spain
| 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 hardenability for improved wear resistance
- ✔ Good machinability, allowing for precise fabrication
- ✔ Versatile and widely used in various industries
- ✔ Suitable for heat treatment to enhance mechanical properties
- ✔ Available in various diameters and lengths for customization
Technical Overview of 4140 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| 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 manufacturing gears, axles, and crankshafts, providing high strength and hardness. | ASTM A829, SAE J403 |
| 4140 Round Bar | C: 0.38-0.43%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Commonly employed in the aerospace and automotive industries for structural components. | ASTM A322, ASTM A576 |
| 4140 Round Bar | C: 0.38-0.43%, Mn: 0.75-1.00%, Cr: 0.80-1.10%, Mo: 0.15-0.25% | Ideal for heavy-duty applications requiring fatigue resistance and wear resistance. | SAE J404, ISO 683-17 |
Specifications Table
| Material | 4140 Alloy Steel |
|---|---|
| Grades | 4140, 4142 |
| Standard | ASTM A829, SAE J403 |
| Size Range | 20mm to 300mm diameter |
| Length | 3m to 6m |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| 4140 Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.04-0.10% S, 0.80-1.10% Cr, 0.15-0.30% Mo | Used in the manufacture of gears, axles, and other high-strength components. |
| 4140 HT Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.04-0.10% S, 0.80-1.10% Cr, 0.15-0.30% Mo | Ideal for applications requiring enhanced hardness and strength after heat treatment. |
| 4140 QT Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.04-0.10% S, 0.80-1.10% Cr, 0.15-0.30% Mo | Commonly used in oil and gas, transportation, and heavy machinery industries. |
| 4140 Prehard Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.04-0.10% S, 0.80-1.10% Cr, 0.15-0.30% Mo | Suitable for applications needing moderate wear resistance and toughness. |
| 4140 Alloy Round Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.15-0.25% Si, 0.04-0.10% S, 0.80-1.10% Cr, 0.15-0.30% Mo | Used in various structural applications including automotive and aerospace components. |
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 |
| Chromium (Cr) | 0.80 - 1.10 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Silicon (Si) | 0.15 - 0.40 |
| 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 |
| Yield Strength | 415 MPa |
| Elongation | 21% |
| Hardness | 28 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 |
| 450 | 100 - 300 | Tempered |
| 500 | 300 - 600 | Quenched |
Electrical Resistivity of 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 75 | 20 | Normalized |
| 76 | 100 | |
| 78 | 200 | |
| 80 | 300 | |
| 82 | 400 | |
Equivalent of 4140 Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A829 | 1.7225 | G41400 |
| EN 10083-3 | 42CrMo4 | 1.7225 |
Manufacturing Process & Heat Treatment of 4140 Round Bar
Annealing
The annealing process for 4140 round bars involves heating the steel to a temperature of approximately 850-900°C, followed by a slow cooling process. This treatment helps to relieve internal stresses, reduce hardness, and improve machinability, ultimately enhancing the material's ductility and toughness.
Forging
Forging of 4140 round bars is typically conducted at temperatures ranging from 1100-1200°C. The hot working process enhances the mechanical properties of the steel by refining its grain structure, resulting in improved strength and toughness. This is crucial for applications requiring high performance and reliability.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 840-870 | Oil or Water | To increase hardness and strength |
| Tempering | 400-600 | Air | To reduce brittleness and enhance toughness |
| Stress Relieving | 600-650 | Air | To relieve residual stresses after machining |
The combination of these processes results in 4140 round bars that exhibit excellent mechanical properties, making them suitable for a wide range of demanding applications in various industries.
Various Types
4140 Alloy Steel Round Bar
- Diameter: 20mm to 300mm
- Condition: Hot Rolled, Cold Drawn
- Applications: Automotive, Aerospace, Oil & Gas
4140 Quenched and Tempered Round Bar
- Diameter: 30mm to 200mm
- Condition: Quenched and Tempered
- Applications: Heavy Machinery, Structural Components
4140 Pre-hardened Round Bar
- Diameter: 25mm to 150mm
- Condition: Pre-hardened
- Applications: Tooling, Dies, Aerospace Parts
4140 Annealed Round Bar
- Diameter: 15mm to 250mm
- Condition: Annealed
- Applications: Machining, 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 – $3.00 | ₹207 – ₹248 |
| 4140 Round Bar | 6 mm | $2.40 – $2.90 | ₹199 – ₹241 |
| 4140 Round Bar | 10 mm | $2.30 – $2.80 | ₹192 – ₹233 |
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 Spain
- 4140 Alloy Steel Round Bar Manufacturers
- 4140 Round Bar Price in Spain
- 4140 Steel Round Bar Importers in Europe
- 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.