Your Professional Spring Steel Supplier

 

Jiangsu Cunrui Metal Products Co., Ltd. was established on March 24, 2016. It is a modern enterprise specializing in the production and export of high-quality metal pipes.

 

Our company is a significant manufacturer of high-quality metal materials in China. Our product range includes stainless steel, carbon steel, alloy steel, silicon steel, etc., which are widely used in the medical, food, construction and other industries.

 

 
  • C100S Spring Steel Strip
    C100S Spring Steel Strip is made from high-carbon steel, perfect for making precise springs and tough machine parts. It's C100S grade, known for its springiness, toughness, and reliable
  • 51CrV4 Spring Steel Sheet
    51CrV4 Spring Steel Sheet is great if you need something tough. It's flat steel that's already been treated to be strong. This stuff can take a lot of force, won't break easily, and lasts a long
  • 60Si2MnA Spring Steel Wire
    60Si2MnA Spring Steel Wire is a high-quality alloy spring steel wire manufactured by Jiangsu Cunrui Metal Products Co., Ltd.. Known for its outstanding tensile strength, wear resistance, and fatigue
  • 50CrVA Spring Steel Wire
    50CrVA Spring Steel Wire is a high-performance alloy spring steel material, widely recognized for its outstanding fatigue resistance, high tensile strength, and stable mechanical properties. Produced
  • 65Mn Spring Steel Wire
    65Mn Spring Steel Wire supplied by Jiangsu Cunrui Metal Products Co., Ltd. is a high-carbon manganese steel wire known for its superior toughness, excellent wear resistance, and reliable fatigue
  • 1074 Spring Steel Wire
    1074 Spring Steel Wire from Jiangsu Cunrui Metal Products Co., Ltd. is a high-carbon steel wire designed for demanding spring and mechanical applications. Manufactured in compliance with
  • 302 Stainless Steel Spring Wire
    302 Stainless Steel Spring Wire is a high-quality austenitic stainless steel wire designed for applications requiring excellent strength, elasticity, and corrosion resistance. Produced by Jiangsu
  • 55SiMnVB Spring Steel Bar
    The 55SiMnVB Spring Steel Bar is a premium alloy spring steel widely recognized for its excellent hardness, high fatigue resistance, and stable performance under repeated stress. Manufactured by
  • 1095 Spring Steel Bar
    The 1095 Spring Steel Bar is a high-carbon steel product manufactured with strict adherence to international standards such as ASTM, SAE, and JIS. Produced by Jiangsu Cunrui Metal Products Co., Ltd.,
  • 5160 Alloy Spring Steel Bar
    5160 Alloy Spring Steel Bar, also known as 5160 Alloy Spring Steel Rod, is a high-performance chromium spring steel widely recognized for its excellent toughness, fatigue resistance, and wear
  • SUP9 Spring Steel Sheet
    Jiangsu Cunrui Metal Products Co., Ltd. offers SUP9 Spring Steel Plate, a high-performance alloy steel sheet widely used in heavy-duty applications requiring strength, toughness, and reliable
  • 65Mn Spring Steel Sheet
    Jiangsu Cunrui Metal Products Co., Ltd. supplies 65Mn Spring Steel Plate, a high-quality alloy steel sheet designed for applications requiring excellent toughness, stable hardness, and outstanding
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Why Choose Us
Production Capacity
Equipped with large-scale production facilities, we have an annual manufacturing capacity exceeding 6,000 metric tons.
24-Hour Online Service
We provide round-the-clock customer support with inquiry responses within 24 hours, including technical assistance and quotation services.
Global Supply Chain Network
Our products have earned widespread recognition and trust across more than 50 countries, including the United States, France, South Korea, Japan, India, Germany, and Spain, as well as key regions such as South Asia, Southeast Asia, and the Middle East.

 

Parameter

Material Grade

60Si2MnA Spring Steel

Standards

GB/T 1222, ASTM, DIN, JIS (equivalent standards)

Diameter Range

5 mm – 20 mm (custom sizes available)

Tensile Strength

1570 – 2160 MPa (depending on size and treatment)

Yield Strength

≥ 1275 MPa

Elongation

7–10%

Surface Treatment

Polished, phosphated, galvanized, oil-coated

Hardness

HRC 44 – 52

 

Customization Services

 

Flexible Customization

We offer non-standard diameters, coil sizes, and lengths to meet your exact project needs.

01

Premium Surface Options

Choose from galvanized, coated, or polished finishes for superior protection and aesthetics.

02

Versatile Processing

Cutting, bending, and forming services ensure your parts are ready for immediate use.

03

OEM & ODM Support

We work from your drawings or special specifications to deliver tailor-made solutions.

04

Fast, Low-Risk Orders

Low MOQ for trial runs and quick response to urgent requests make your sourcing hassle-free.

05

 

 
 
Benefits of Spring Steel
60Si2MnA Spring Steel Wire

High Elasticity

Spring steel’s high elasticity allows it to flex and bend without permanent deformation, ensuring that it returns to its original shape after loading or compression. This makes it ideal for components that need to handle repetitive stress and load cycles.

50CrVA Spring Steel Wire

Tensile Strength

Known for its high tensile strength, spring steel can withstand significant stretching or pulling forces without breaking. This makes it a preferred material in applications requiring durability under high loads.

65Mn Spring Steel Wire

Fatigue Resistance

Spring steel is highly resistant to fatigue, meaning it can endure millions of cycles of flexing and compression without weakening. This property ensures long-lasting performance in demanding industrial environments.

1074 Spring Steel Wire

Corrosion Resistance

Certain types of spring steel are treated or alloyed to offer enhanced corrosion resistance, making them suitable for use in environments exposed to moisture, chemicals, or outdoor conditions.

 

Application of Spring Steel

Industry/Sector

Specific Application Example

Key Steel Properties Utilized in this Application

Reason for Selection

Automotive

Suspension Springs

High yield strength, elasticity

Ability to withstand dynamic loads

Aerospace

Landing Gear Components

Fatigue resistance, toughness

Safety and reliability under stress

Manufacturing

Industrial Machinery Parts

Durability, resilience

Long service life in harsh conditions

 

Logistics

We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

 
 

The time frame of an order delivery is divided into two parts

Processing time: 7-14 Days
Shipping time: 20~30 Days

 
 
 

Shipping methods

 

DDP, DAP, EXW, etc.

 
 

Shipping fee

 

The shipping fee will be changed according to every pacel's weight.

 

 

 

Certificate

 

productcate-1-1

 

 

FAQ

 

Q: What is 60Si2Mn spring steel?

A: A high-strength silicon-manganese steel with excellent elasticity, wear resistance, and fatigue performance for springs and load-bearing parts.

Q: How does heat treatment help?

A: Quenching and tempering give it balanced hardness, toughness, and stable elasticity.

Q: Are there international equivalents?

A: Yes, roughly SAE 9260 (ASTM/AISI) and JIS SUP6, making global sourcing easier.

Q: Why choose 60Si2Mn over other spring steels?

A: It offers better elasticity, fatigue resistance, and thermal stability than basic carbon steels or some other spring grades like 65Mn.

As one of the leading spring steel manufacturers in China, we warmly welcome you to buy cheap spring steel for sale here from our factory. All customized products are with high quality and competitive price. For pricelist and free sample, contact us now.

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