4140 Forged Black Flat Bar in Ghaziabad
4140 Forged Black Flat Bar in Ghaziabad is a high-strength alloy steel product widely used across various heavy-duty industrial applications. Known for its excellent toughness and fatigue strength, this flat bar is manufactured through a forging process that enhances its mechanical properties and structural integrity. The black finish provides a protective layer against corrosion while maintaining a cost-effective solution for fabrication and machining needs.
Crafted from 4140 alloy steel, this flat bar boasts a balanced composition of chromium, molybdenum, and manganese, which contributes to its outstanding hardenability and wear resistance. Typically available in customized dimensions, these bars adhere to strict quality standards, ensuring consistent tensile strength, yield strength, and impact resistance. The forging process also refines the grain structure, resulting in improved ductility and fatigue life compared to rolled or cast alternatives.
Industries such as automotive manufacturing, heavy machinery, construction, and oil and gas frequently rely on these forged bars for components like shafts, gears, bolts, and structural supports. Their robust performance under high stress and varying environmental conditions makes them ideal for critical applications requiring durability and safety. Additionally, the flat barβs versatility allows for easy machining, welding, and heat treatment to meet specific engineering requirements.
Suppliers in Ghaziabad maintain stringent quality control measures and certifications to ensure that the bars meet international standards such as ASTM A29 and SAE J404. This compliance not only guarantees material reliability but also facilitates seamless export transactions. With a well-established logistics network, these forged flat bars are readily available for global shipment, catering to the demands of international industrial buyers.
For businesses seeking reliable, high-performance alloy steel products, the forged black flat bars from Ghaziabad offer a combination of quality, durability, and export readiness. Their superior mechanical properties and adaptability make them a preferred choice for manufacturers and fabricators aiming to enhance product performance and operational efficiency.
Our Approvals | Third Party Inspection
Lead Time
2β7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why 4140 Forged Black Flat Bar in Ghaziabad 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 Forged Black Flat Bar in Ghaziabad
- 2. How to Choose the Right Manufacturer
- 3.Comparison of 4140 Forged Black Flat Bar in Ghaziabad
- 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 Forged Black Flat Bar in Ghaziabad
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 Forged Black Flat Bar in Ghaziabad
| 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 Forged Black Flat Bar
- β High strength and toughness for demanding applications
- β Excellent wear resistance, ideal for heavy-duty use
- β Good machinability allowing for easy fabrication
- β Heat treatable for enhanced mechanical properties
- β Available in various dimensions to meet project needs
- β Corrosion-resistant finish for durability in harsh environments
Technical Overview of 4140 Forged Black Flat Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| 4140 Forged Black Flat Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.20-0.35% Si, 0.15-0.40% Cr, 0.04-0.10% Mo | Used in manufacturing automotive components, gears, and heavy machinery parts | ASTM A829, ASTM A36 |
| 4140 Forged Black Flat Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.20-0.35% Si, 0.15-0.40% Cr, 0.04-0.10% Mo | Suitable for applications requiring high strength and toughness | SAE J404, SAE J1086 |
| 4140 Forged Black Flat Bar | 0.38-0.43% C, 0.75-1.00% Mn, 0.20-0.35% Si, 0.15-0.40% Cr, 0.04-0.10% Mo | Commonly used in structural applications and tool making | ASTM A516, ASTM A572 |
Specifications Table
| Material | 4140 Forged Steel |
|---|---|
| Grades | 4140 |
| Standard | ASTM A829 |
| Size Range | 1" x 4" to 2" x 6" |
| Length | 10 ft to 20 ft |
| Form | Flat Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| 4140 Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Used in manufacturing of gears, shafts, and other heavy-duty components |
| 4140HT Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25%, Heat Treatment | Ideal for applications requiring high strength and toughness |
| 4140 Prehard Forged Black Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25%, Pre-hardened | Commonly used in tooling and manufacturing parts that demand precise dimensions |
| 4140 Alloy Steel Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Suitable for high-stress applications like automotive and aerospace components |
| 4140 Quenched and Tempered Flat Bar | Carbon: 0.38-0.43%, Manganese: 0.75-1.00%, Chromium: 0.80-1.10%, Molybdenum: 0.15-0.25% | Used in shock-loading applications requiring high fatigue strength |
Available Sizes of 4140 Forged Black Flat Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 x 100 | 20 x 100 |
| 10 x 200 | 20 x 200 |
| 10 x 300 | 20 x 300 |
| 15 x 100 | 25 x 100 |
| 15 x 200 | 25 x 200 |
| 15 x 300 | 25 x 300 |
| 20 x 400 | 30 x 200 |
| 20 x 500 | 30 x 300 |
| 25 x 400 | 35 x 250 |
| 25 x 500 | 40 x 300 |
Chemical Properties of 4140 Forged Black Flat Bar
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.38 - 0.43 |
| Manganese (Mn) | 0.75 - 1.00 |
| Phosphorus (P) | β€ 0.035 |
| Sulfur (S) | β€ 0.040 |
| Silicon (Si) | 0.15 - 0.40 |
| Chromium (Cr) | 0.80 - 1.10 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Iron (Fe) | Balance |
Mechanical Properties of 4140 Forged Black Flat Bar
| Property | Value |
|---|---|
| Tensile Strength | 655 MPa |
| Yield Strength | 415 MPa |
| Elongation | 20% |
| Hardness (Brinell) | 207 HB |
| Modulus of Elasticity | 210 GPa |
4140 Forged Black Flat Bar β Physical & Thermal Properties
Density of 4140 Forged Black Flat Bar
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cmΒ³ | 0.284 lb/inΒ³ |
Melting Point of 4140 Forged Black Flat Bar
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1420 - 1540 Β°C | 2600 - 2800 Β°F |
Specific Heat of 4140 Forged Black Flat Bar
| Specific Heat of 4140 Forged Black Flat Bar | ||
|---|---|---|
| Specific Heat (J/kgΒ·K) | Temperature Range (Β°C) | Condition |
| 460 | 20 - 100 | Room Temperature |
| 480 | 100 - 300 | Heat Treated |
| 500 | 300 - 600 | High Temperature |
Electrical Resistivity of 4140 Forged Black Flat Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·m) | Temperature (°C) | Treatment or Condition |
| 75 | 20 | As Forged |
| 80 | 100 | |
| 85 | 200 | |
| 90 | 300 | |
| 95 | 400 | |
Equivalent of 4140 Forged Black Flat Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| AISI/SAE | 1.7225 | G41400 |
| EN | 42CrMo4 | 1.7225 |
Manufacturing Process & Heat Treatment of 4140 Forged Black Flat Bar
Annealing
The annealing process for 4140 forged black flat bars involves heating the material to a temperature range of 843Β°C to 871Β°C and then allowing it to cool slowly in a furnace. This process reduces hardness and improves machinability, ensuring a more uniform microstructure.
Forging
Forging of 4140 flat bars is conducted at elevated temperatures, typically between 1100Β°C and 1250Β°C. This process enhances the mechanical properties of the steel by refining the grain structure and increasing its strength and toughness.
Hardening & Tempering
| Process | Temperature Range (Β°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 830 - 860 | Oil | To increase hardness and strength by forming martensite |
| Tempering | 400 - 700 | Air | To relieve stresses and reduce brittleness |
| Stress Relieving | 600 - 650 | Furnace | To reduce residual stresses from prior processing |
The manufacturing and heat treatment processes for 4140 forged black flat bars are critical to achieving the desired mechanical properties for various industrial applications, ensuring reliability and performance in service.
Various Types
4140 Forged Black Flat Bar - Standard
- Width: 50mm, Thickness: 10mm, Length: 6m
- Condition: Hot Rolled
- Applications: Structural components, machinery parts
4140 Forged Black Flat Bar - Custom Sizes
- Width: 100mm, Thickness: 20mm, Length: 3m
- Condition: Annealed
- Applications: Automotive parts, heavy machinery
4140 Forged Black Flat Bar - High Strength
- Width: 75mm, Thickness: 15mm, Length: 5m
- Condition: Quenched and Tempered
- Applications: Tooling, dies, and fixtures
4140 Forged Black Flat Bar - Specialty Alloy
- Width: 30mm, Thickness: 5mm, Length: 4m
- Condition: Cold Drawn
- Applications: Aerospace, military applications
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 Forged Black Flat Bar
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| 4140 Forged Black Flat Bar | 3 mm | $2.50 β $2.70 | βΉ207 β βΉ224 |
| 4140 Forged Black Flat Bar | 6 mm | $2.40 β $2.60 | βΉ199 β βΉ220 |
| 4140 Forged Black Flat Bar | 10 mm | $2.30 β $2.50 | βΉ193 β βΉ207 |
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 Forged Black Flat 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 in Ghaziabad
- Alloy Steel Flat Bar Suppliers in Ghaziabad
- Forged Steel Bar Manufacturers in Ghaziabad
- 4140 Steel Plate in Ghaziabad
- Black Steel Flat Bar in Ghaziabad
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.