4140 Round Bar exporter in Turkey
4140 Round Bar exporter in Turkey specializes in supplying high-quality alloy steel bars known for their exceptional strength and toughness. These bars are manufactured from 4140 grade steel, a chromium-molybdenum alloy renowned for its excellent hardness, wear resistance, and fatigue strength. Ideal for precision machining and structural applications, this product is widely used across various heavy industries.
The material properties of 4140 round bars include a balanced composition that enhances hardenability and provides superior tensile strength. With a typical chemical makeup featuring chromium, molybdenum, and manganese, these bars deliver outstanding performance under high-stress conditions. They are available in multiple diameters and lengths, meeting diverse engineering requirements from automotive components to heavy machinery parts.
These alloy steel bars are well-suited for applications involving shafts, gears, bolts, and fasteners, where durability and resistance to wear are critical. Their versatility extends to the oil and gas industry, construction equipment, and agricultural machinery, making them a preferred choice for manufacturers seeking reliable raw materials. Heat treatment options such as quenching and tempering further enhance their mechanical properties to suit specific industrial needs.
Turkey’s strategic geographic position and robust manufacturing infrastructure enable efficient export logistics, ensuring timely delivery of 4140 round bars to international markets. Exporters maintain stringent quality control protocols, including certifications and material testing, to comply with global standards. This export readiness makes Turkish suppliers a competitive source for businesses requiring consistent quality and supply reliability.
Industrial buyers looking for high-performance alloy steel products can rely on Turkish manufacturers for tailored solutions and competitive pricing. The combination of advanced production techniques and comprehensive export services positions Turkey as a key hub for sourcing 4140 round bars, supporting the demands of global engineering and manufacturing sectors.
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 Turkey 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 Turkey
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Round Bar exporter in Turkey
- 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 Turkey
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 Turkey
| 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 and durability
- ✔ Excellent machinability and weldability
- ✔ Good wear resistance and toughness
- ✔ Versatile for various industrial applications
- ✔ Available in multiple sizes and finishes
- ✔ Compliant with international quality standards
Technical Overview of 4140 Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| 4140 Round Bar | Carbon: 0.38-0.43%, Chromium: 0.90-1.20%, Molybdenum: 0.15-0.25% | Used in manufacturing high-strength components, gears, axles, and crankshafts. | ASTM A829, SAE J403, API 6A |
| 4140 Round Bar | Carbon: 0.38-0.43%, Chromium: 0.90-1.20%, Molybdenum: 0.15-0.25% | Widely used in automotive and aerospace industries for structural applications. | ASME SA-829, ASTM A193 |
| 4140 Round Bar | Carbon: 0.38-0.43%, Chromium: 0.90-1.20%, Molybdenum: 0.15-0.25% | Ideal for applications requiring good machinability and high fatigue strength. | ISO 683-17, ASTM A572 |
Specifications Table
| Material | 4140 Alloy Steel |
|---|---|
| Grades | 4140, 4142 |
| Standard | AISI, ASTM, SAE |
| Size Range | Diameter: 20mm to 300mm |
| Length | Up to 6 meters |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| 4140 Round Bar | C: 0.38-0.43%, Cr: 0.8-1.1%, Mo: 0.15-0.25% | Automotive components, gears, axles |
| 4140 HT Round Bar | C: 0.38-0.43%, Cr: 0.8-1.1%, Mo: 0.15-0.25% | High-stress applications, heavy machinery |
| 4140 QT Round Bar | C: 0.38-0.43%, Cr: 0.8-1.1%, Mo: 0.15-0.25% | Oil and gas industry, structural components |
| 4140 Prehard Round Bar | C: 0.38-0.43%, Cr: 0.8-1.1%, Mo: 0.15-0.25% | Forgings, tool holders, fasteners |
| 4140 Alloy Steel Round Bar | C: 0.38-0.43%, Cr: 0.8-1.1%, Mo: 0.15-0.25% | Machined parts, aerospace applications |
Available Sizes of 4140 Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 20 | 25 |
| 30 | 35 |
| 40 | 45 |
| 50 | 55 |
| 60 | 65 |
| 70 | 75 |
| 80 | 90 |
| 100 | 110 |
| 120 | 130 |
| 140 | 150 |
Chemical Properties of 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 |
| Sulfur (S) | ≤ 0.04 |
| 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% |
| Hardness (Rockwell C) | 28-32 HRC |
| Modulus of Elasticity | 210 GPa (30 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 - 200 | Annealed |
| 480 | 200 - 400 | Tempered |
| 500 | 400 - 600 | Hardened |
Electrical Resistivity of 4140 Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.45 | 20 | As-rolled |
| 0.47 | 100 | |
| 0.49 | 200 | |
| 0.51 | 300 | |
| 0.54 | 400 | |
Equivalent of 4140 Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A829 | 42CrMo4 | G41400 |
| EN 10083-3 | 42CrMo4 | 1.7225 |
Manufacturing Process & Heat Treatment of 4140 Round Bar
Annealing
Annealing of 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 ductility, and refine the microstructure, making the steel easier to machine and form.
Forging
Forging of 4140 round bars is typically performed at temperatures between 1200-1300°C. This process enhances the mechanical properties of the steel by refining the grain structure and improving strength. The forged bars are then cooled to room temperature to stabilize their properties.
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 relieve stresses |
| Stress Relieving | 600-650 | Air | To reduce residual stresses from machining |
The combination of these processes ensures that 4140 round bars meet the stringent requirements for strength and toughness, making them suitable for various industrial applications.
Various Types
4140 Round Bar - Hot Rolled
- Diameter: 10mm to 300mm
- Condition: Hot Rolled
- Applications: Automotive components, machinery parts, and tooling
4140 Round Bar - Cold Drawn
- Diameter: 5mm to 100mm
- Condition: Cold Drawn
- Applications: Precision machining, high-stress applications
4140 Round Bar - Annealed
- Diameter: 20mm to 250mm
- Condition: Annealed
- Applications: Welding, forging, and heat treatment
4140 Round Bar - Quenched and Tempered
- Diameter: 15mm to 200mm
- Condition: Quenched and Tempered
- Applications: Structural components, 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 – $3.00 | ₹207 – ₹248 |
| 4140 Round Bar | 6 mm | $2.40 – $2.90 | ₹199 – ₹240 |
| 4140 Round Bar | 10 mm | $2.30 – $2.80 | ₹192 – ₹235 |
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 Turkey
- Alloy Steel 4140 Round Bar Manufacturers
- 4140 Round Bar Price in Turkey
- 4140 Steel Round Bar Applications
- 4140 Round Bar Stockists in Turkey
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.