Fe Vanadium 70 Grade Briquette Dark Silver Used In Automotive Gear Steel And Shaft Manufacturing
Fe Vanadium 70 Grade Briquette, with its distinctive dark silver luster, is a high-performance Iron Vanadium Alloy (often labeled FeV70, Ferrovanadium 70, or Vanadium Iron Alloy 70) engineered to meet the exacting demands of automotive gear steel and shaft manufacturing. Containing ~70% vanadium, this FeV alloy is optimized for applications requiring exceptional fatigue resistance, wear resistance, and dimensional stability—critical properties for components like transmission gears, drive shafts, and axle shafts that endure cyclic loading and high stress. Its briquette form (compact, pillow-shaped blocks, 50–100 mm) ensures easy handling, minimal dust, and uniform dosing in steelmaking processes, making it a preferred choice for automotive suppliers and steel mills alike.
Core Metallurgical Benefits for Automotive Components
Automotive gear steels (e.g., 20MnCr5, 18CrNiMo7-6) and shaft materials (e.g., SAE 4140, 4340) require a fine balance of strength, toughness, and fatigue resistance to withstand millions of stress cycles without failure. Fe Vanadium 70 Grade delivers this through three key mechanisms:
1. Fatigue Resistance: Extending Component Lifespan
Vanadium’s ability to form fine, uniformly distributed vanadium carbides (VC) and refine austenite grains is critical for reducing fatigue crack initiation. In gear steels, VC particles act as barriers to dislocation movement, delaying crack propagation and increasing the number of cycles to failure by 30–50% compared to non-alloyed steels. This is essential for transmission gears, which experience repeated tooth contact stresses.
2. Wear Resistance: Reducing Friction & Damage
The high vanadium content (70%) in FeV70 promotes dense VC networks, enhancing surface hardness (by 15–25%) and wear resistance. For drive shafts and axle shafts, this translates to reduced friction, minimized scoring, and longer service life—even under high torque and abrasive conditions.
3. Dimensional Stability: Maintaining Precision
Vanadium’s grain-refining effect ensures a consistent microstructure throughout the component, preventing distortion during heat treatment (e.g., carburizing, quenching). This is crucial for precision-machined gears and shafts, where tight tolerances (±0.01 mm) are required for proper fit and function.
Dark Silver Briquette: Form & Functional Advantages
The dark silver color of FeV70 briquettes indicates a dense, low-porosity structure with minimal surface oxidation, reflecting high purity (S ≤ 0.03%, P ≤ 0.02%) and controlled production. The briquette form offers distinct benefits for automotive steelmaking:
-
Low Dust Generation: Compact shape reduces airborne particles, improving workplace safety and minimizing material loss.
-
Uniform Dosing: Consistent size and weight enable precise addition to electric arc furnaces (EAF) or ladle furnaces, ensuring uniform vanadium distribution.
-
Ease of Handling: Briquettes are stackable and compatible with automated feeding systems, streamlining production in high-volume steel mills.
Technical Specifications
| Parameter |
Details |
| Vanadium Content |
68–72% (ICP-OES certified) |
| Form |
Dark silver briquettes (50–100 mm, pillow-shaped) |
| Iron Content |
~28–32% |
| Impurities |
S ≤ 0.03%, P ≤ 0.02%, Si ≤ 1.2%, C ≤ 0.10% |
| Melting Point |
~1510°C |
| Bulk Density |
~5.0 g/cm³ |
Key Applications in Automotive Manufacturing
-
Transmission Gears: Bevel gears, helical gears, and synchronizer rings in manual/automatic transmissions, where fatigue resistance and wear resistance are paramount.
-
Drive Shafts & Axle Shafts: Components transmitting torque from the engine to wheels, requiring high strength and dimensional stability under torsional stress.
-
Differential Components: Ring gears and pinion gears, which demand resistance to pitting and scoring from constant meshing.
Why Choose Fe Vanadium 70 Grade Briquette?
-
Cost-Effective Potency: More affordable than FeV80 (80% V) but nearly as effective in carbide formation, making it ideal for high-volume automotive steel production.
-
Automotive-Grade Purity: Ultra-low impurities prevent defects like inclusions and hot shortness, ensuring compliance with OEM standards (e.g., GM, Volkswagen, Toyota).
-
Process Compatibility: Briquette form integrates seamlessly into existing steelmaking workflows, requiring no major equipment modifications.
Conclusion
Fe Vanadium 70 Grade Briquette (dark silver) is a cornerstone of modern automotive steelmaking, enabling the production of gears and shafts that meet the industry’s toughest performance and reliability standards. By enhancing fatigue resistance, wear resistance, and dimensional stability, it helps automotive suppliers reduce warranty claims, extend component lifespan, and optimize manufacturing efficiency. For manufacturers seeking a balance of performance, cost, and process adaptability, FeV70 briquettes are an indispensable solution.
Ferro Vanadium Composition
| Grade |
V |
Al |
P |
Si |
C |
| FeV40-A |
38-45 |
1.5 |
0.09 |
2.00 |
0.60 |
| FeV40-B |
38-45 |
2.0 |
0.15 |
3.00 |
0.80 |
| FeV50-A |
48-55 |
1.5 |
0.07 |
2.00 |
0.40 |
| FeV50-B |
48-55 |
2.0 |
0.10 |
2.50 |
0.60 |
| FeV60-A |
58-65 |
1.5 |
0.06 |
2.00 |
0.40 |
| FeV60-B |
58-65 |
2.0 |
0.10 |
2.50 |
0.60 |
| FeV80-A |
78-82 |
1.5 |
0.05 |
1.50 |
0.15 |
| FeV80-B |
78-82 |
2.0 |
0.06 |
1.50 |
0.20 |
Product Images
Industrial Ferrovanadium FeV78 Silver Grey Alloy Sample
Close-up View of Ferrovanadium FeV78 Irregular Lumps
Packing & Delivery
Packing: 1 ton big bag, 20-25mt in 20' container
Ferro Silicon Magnesium Ferro Silicon Lump packaging - 1 ton big bags
Frequently Asked Questions
Q: How is ferrovanadium used in the automotive industry for lightweight high strength components?
A: Enables thinner, stronger parts with weight savings, improving fuel efficiency and crash performance.
Q: What is the role of ferrovanadium in aerospace alloys for improving fatigue resistance?
A: Refines microstructure and increases strength, enhancing fatigue life of critical aircraft components.
Q: How is ferrovanadium used in rebar production for enhancing corrosion resistance?
A: Promotes finer grain structure and precipitation strengthening, indirectly improving durability in concrete reinforcement.
Q: What are the international standards for ferrovanadium – ASTM, ISO?
A: ASTM A182, ASTM A731, and ISO 5445 cover chemical composition and quality requirements for ferrovanadium grades.
Q: What is the national standard of ferrovanadium in China – GB?
A: GB/T 4139 specifies grades, chemical composition, and testing methods for ferrovanadium in China.
Why Choose ZhenAn?
-
Extensive Production Capacity: Annual production and sales volume exceeding 150,000 metric tons with integrated hydrometallurgical and smelting capabilities.
-
Global Reach & Custom Solutions: Exporting worldwide with tailored product specifications, packaging, and logistics support.
-
Quality Assurance & Certifications: Adherence to international quality and safety standards with advanced testing equipment.
-
Business Philosophy: Customer-centered, market-oriented approach focused on reputation-based development and management.
Your message must be between 20-3,000 characters!
English
