Spring Steel Supplier - sino-specialmetal
What is Spring Steel?
Spring steel is a specialized type of high-carbon steel engineered to exhibit exceptional yield strength and elasticity, crucial for the manufacturing of springs and spring-related components. Its distinct composition and treatment processes allow it to maintain its shape and mechanical properties even after undergoing repeated deflection or deformation.
Commonly used grades of spring steel include 65Mn, 50CrV4, and 9260. Found in various sectors such as automotive, aerospace, and consumer goods, spring steel ensures reliable performance and durability in applications requiring resilience and flexibility.
Sino-specialmetal stands out as a reputable spring steel supplier, offering quality materials across a broad spectrum of grades to meet diverse industrial demands.
What Spring Steel Grades Do You Supply?
Huaxiao Metal is a professional tool steel supplier and manufacturer, each tool steel has unique characteristics and applications. Below are the main grades we offer, highlighting their main properties, brief description, chemical composition and applications:
| Grade | Equivalent Standard | Metric Sizes (mm) |
|---|---|---|
| 65Mn | GB/T 1222-2007 | Ø 0.1 – Ø 50 |
| 50CrV4 | EN 10089 | Ø 0.1 – Ø 60 |
| 9260 | ASTM A29/A29M | Ø 0.1 – Ø 50 |
| 6150 | ASTM A29/A29M | Ø 0.1 – Ø 60 |
| 51CrV4 | EN 10089 | Ø 0.1 – Ø 60 |
65Mn Spring Steel
65Mn Spring Steel is a versatile, high-carbon steel known for its excellent combination of strength, toughness, and elasticity. It offers good wear resistance and can withstand high stress without deforming.
Composition:
- Carbon (C): 0.62-0.70%
- Manganese (Mn): 0.90-1.20%
- Silicon (Si): 0.17-0.37%
Key Features:
- High tensile strength
- Good toughness
- Excellent elasticity
Applications:
- Coil springs
- Leaf springs
- Agricultural machinery
50CrV4 Spring Steel
50CrV4 Spring Steel is a chromium-vanadium alloyed steel offering high fatigue strength and excellent hardenability. It is ideal for applications requiring superior toughness and high-stress resistance.
Composition:
- Carbon (C): 0.47-0.55%
- Chromium (Cr): 0.90-1.20%
- Vanadium (V): 0.10-0.20%
Key Features:
- High fatigue strength
- Good hardenability
- Superior toughness
Applications:
- Automotive suspension parts
- Helical springs
- Heavy-duty coil springs
9260 Spring Steel
9260 Spring Steel is a silicon-manganese alloyed steel known for its excellent elasticity and high tensile strength. It offers good wear resistance and is suitable for demanding applications requiring superior mechanical properties.
Composition:
- Carbon (C): 0.56-0.64%
- Silicon (Si): 1.80-2.20%
- Manganese (Mn): 0.75-1.00%
Key Features:
- Excellent elasticity
- High strength
- Good wear resistance
Applications:
- Leaf springs
- Coil springs
- High-stress applications
SUP9 Spring Steel
SUP9 Spring Steel is a chromium-molybdenum alloyed steel with good hardenability and shock resistance. It is widely used for coil and leaf springs in automotive applications.
Composition:
- Carbon (C): 0.52-0.60%
- Silicon (Si): 1.50-2.00%
- Manganese (Mn): 0.65-0.95%
Key Features:
- Good hardenability
- High shock resistance
- Decent fatigue strength
Applications:
- Automotive coil and leaf springs
- Suspension components
Looking Forward to Becoming One of Your Spring Steel Suppliers in China
Applications of Spring Steel
Spring steel is widely used in various fields due to its high elasticity and excellent resilience. Below are several prominent application areas along with the most outstanding features:
Automotive Industry:
- Notable Models: 60Si2Mn, 50CrVA.
- Characteristics: Spring steel plays a crucial role in the automotive industry, used in manufacturing various springs such as suspension springs, damping springs, and drive springs. These springs require exceptional elasticity and fatigue strength to withstand vibrations and deformations during vehicle operation while maintaining stable performance.
Mechanical Manufacturing:
- Notable Models: 65Mn, 60Si2CrA.
- Characteristics: Spring steel is prominently used in mechanical manufacturing for producing a variety of mechanical springs, including compression springs, tension springs, and torsion springs. These springs need to possess high elasticity and wear resistance to ensure the normal operation and long-term stability of mechanical equipment.
Aerospace:
- Notable Models: 55Si2Mn, 50CrV4.
- Characteristics: In the aerospace field, spring steel finds extensive applications in manufacturing springs for critical components such as landing gear springs and flight control springs. These springs require characteristics such as lightweight, high elasticity, and high fatigue strength to meet the safety and performance requirements of aircraft in extreme environments.
Furniture Manufacturing:
- Notable Models: 70Si2CrA, 60Si2CrVAT.
- Characteristics: Spring steel is used in furniture manufacturing to produce various types of spring mattresses, spring sofas, and spring seats. These springs need to have good elasticity and comfort to provide users with a comfortable sleeping and sitting experience.
Electronics:
- Notable Models: 30Si2Mn, 55CrSiA.
- Characteristics: Spring steel is increasingly used in electronics for producing various miniature springs, connector springs, and battery springs. These springs require characteristics such as small size, high elasticity, and corrosion resistance to meet the space and performance requirements of electronic products.
These highlighted application areas and characteristics of spring steel emphasize its importance and versatility in different industries. Choosing the appropriate spring steel model for specific applications ensures that the products have excellent performance and reliability.
Conclusion
Spring steel, renowned for its superior elasticity and toughness, is an indispensable material in industrial manufacturing. Its unique properties and wide applicability enable it to deliver stable and efficient performance in various complex environments, making it the top choice for manufacturing high-performance springs.
Thank you for showing interest in our products. We understand your desire for quality spring steel raw materials. If you’re looking for online suppliers and manufacturers of spring steel, we highly recommend visiting our official website, where you’ll find more information on products that suit your needs.
As a renowned spring steel supplier in Shanghai, China, we are committed to providing high-quality spring steel products, including various models such as 65Mn, 55Si2Mn, and 50CrVA. We prioritize customer satisfaction, ensuring not only product quality but also competitive pricing. Choose us for professionalism and trustworthiness.
Looking Forward to Becoming One of Your Spring Steel Suppliers in China
FAQs About Spring Steel
Bending spring steel requires heat treatment to soften it before bending. Heat the steel to a cherry red color (around 1,400°F or 760°C) and then allow it to cool slowly in still air or in vermiculite or sand. Once cooled, it should be malleable enough to bend without breaking.
Spring steel is typically a high-carbon steel or alloy steel known for its high yield strength and resilience. Common types include carbon spring steel (such as AISI 1075 or 1095) and alloy spring steel (such as AISI 6150 or 9260).
Spring steel is hard and can be challenging to cut. To cut spring steel, you’ll need high-quality tools such as a bandsaw with a fine-tooth blade, an angle grinder with a cutting wheel, or a plasma cutter. Lubricating the cutting area with cutting oil can help reduce friction and heat buildup.
Welding spring steel requires careful consideration due to its high carbon content, which can make it prone to cracking during welding. Preheating the steel to around 300-400°F (150-200°C) can help reduce the risk of cracking. Additionally, using low-hydrogen welding rods (such as E7018) and a welding technique that minimizes heat input can help maintain the integrity of the steel.
Spring steel can rust if it is not properly protected. To prevent rust, you can apply a protective coating such as oil, paint, or plating. Annealing spring steel involves heating it to a specific temperature (usually around 1,300-1,500°F or 700-800°C) and then slowly cooling it to room temperature. This process relieves internal stresses and softens the steel, making it more workable.
How to choose a spring steel supplier?
When selecting a spring steel supplier, it’s crucial to consider several factors. Here’s how to choose the right one:
Quality Assurance: Ensure the supplier maintains high-quality standards in their spring steel products. Look for certifications like ISO, ASTM, or DIN, indicating compliance with industry standards.
Variety of Grades: Opt for a supplier offering a diverse range of spring steel grades suitable for various applications. This ensures you can find the right material for your specific needs.
Reliability and Reputation: Choose a supplier with a proven track record of reliability and positive customer feedback. Check online reviews and testimonials to gauge their reputation in the industry.
Customization Capabilities: Select a supplier capable of providing customized solutions tailored to your requirements. This includes customized dimensions, finishes, and heat treatments.
On-time Delivery: Look for a supplier known for timely delivery of orders. Late deliveries can disrupt your production schedule, so reliability in this aspect is crucial.
Competitive Pricing: While cost shouldn’t be the sole determining factor, choose a supplier offering competitive prices without compromising on quality. Request quotes from multiple suppliers to compare pricing.
Technical Support: Ensure the supplier has knowledgeable staff who can provide technical assistance and advice on material selection, heat treatment, and other related topics.
Customer Service: Select a supplier known for excellent customer service. They should be responsive to inquiries, address concerns promptly, and provide support throughout the procurement process.
Logistics Efficiency: Consider the supplier’s logistics capabilities, including shipping options and transit times. Choose a supplier with efficient logistics to minimize delays and costs.
Long-term Partnership Potential: Look for a supplier interested in establishing a long-term partnership. A reliable supplier can become a valuable asset to your business, providing consistent quality and support over time.
By considering these factors, you can find a reputable and dependable spring steel supplier to meet your needs effectively.
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Looking Forward to Becoming One of Your Spring Steel Suppliers in China
