Hot Products

  • Alloy Steel
    • 30CrNiMo8+QT
      30CrNiMo8+QT
      30CrNiMo8 | DIN 1.6580 is a heat treatable steel, usually supplied in the quenched and tempered condition, with a typical tensile strength of 1100 -1300 N/mm². 30CrNiMo8 steel is used in automotive and general purpose components where high demands are made on strength and toughness and good hardenability. It is particularly suitable for heavy components in the aviation, automotive and military industries.
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    • 5CrNiMo
      5CrNiMo
      5CrNiMo steel is a hot work die steel with good toughness, strength and high wear resistance. Use vacuum refining technology when melting to ensure the high purity of steel, and professional heat treatment is used to obtain the best pre-hardening effect and uniform hardness distribution of the steel.
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    • 42CrMoS4
      42CrMoS4
      42CrMoS4 is a direct hardening steel like 42CrMo4 but with controlled sulphur content for improved machinability. The material is stocked in cold drawn hardened and tempered condition.
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    • SCM440(SCM440H)
      SCM440(SCM440H)
      SCM440 steel belongs to medium hardenability steel with good comprehensive mechanical properties after heat treatment, such as good strength and plasticity, and good impact properties.They are usually delivered in a quenched and tempered condition.
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    • Carbon Steel
      • C35R
        C35R
        Steel C35R is suitable for slightly higher loaded parts in vehicle, engine and machine engineering with enhanced workability at constant mechanical properties (e.g. transmission parts, crank shafts, cylinder). Lowest application temperature -25°C.
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      • S45C
        S45C
        S45C Steel Grade is one steel grade material in JIS G4051. which is standard specification of carbon steels for machine structural use. Specifically, this is standard for heat treatable steels, alloy steels and free cutting steels.
        JIS S45C Steel is a medium strength steel. Suitable for shafts studs, keys etc. Available as rolled or normalised. JIS S45C machinery steel are usually supplied as square bar, or round bar or flat. JIS Steel S45C is excelling in weldability & machinability , and S45C steels can be subjected to various heat treatments.
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      • C60N
        C60N
        C60N is a high carbon alloy steel that is a cold work die steel with high hardness and good wear resistance. "C" stands for Carbon, the number "60" indicates that the steel contains approximately 0.60% carbon, and "N" may indicate that nitrogen (Nitrogen) or other alloying elements have been added to improve the performance of the steel. Due to its high hardness and wear resistance, C60N is suitable for manufacturing cold work dies, such as stamping dies, drawing dies, thread rolling dies, cold extrusion dies, etc.It is also suitable for manufacturing molds and tools with high precision and high wear resistance.
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      • S45C+QT
        S45C+QT
        S45C+QT is a Japanese standard carbon steel, where "S45C" means that the carbon content of the steel is approximately 0.45% (according to Japanese Industrial Standard JIS G4051), and "QT" means that it has been quenched and tempered. Quenching and tempering is a heat treatment process designed to increase the hardness and toughness of steel so that it can achieve better mechanical properties. S45C+QT is widely used in manufacturing mechanical parts, such as shafts, gears, connecting rods, bolts and various molds.
        Due to its good mechanical properties and processability, S45C+QT is also suitable for manufacturing parts requiring higher strength and wear resistance.
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      About Us

      Union Steel is China’s lead supplier of alloy steel both nationally and internationally. Founded in 1988 and now employing 356 people in 3 provinces of China. We are committed to providing customers with a fast and professional one-stop supply solution for alloy steel. 
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      30000
      tons
      Dynamic inventory
      356
      +
      Number of employees
      36
      +
      Industry experience
      42CrMoS4 Alloy Steel

      Certifications

      Union Steel is a leading supplier of alloy steel in China and abroad. It has been established for more than 30 years. Union Steel has a dynamic inventory of 30,000 tons all year round. 
      With high-quality products, excellent delivery performance and perfect customer service, it has won the praise and trust of customers at home and abroad.

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      DIGITAL SHOWROOM

      If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!
       

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      Our Customer Services

      • <span style="font-size:18px;">Product Customization Service</span>
      • <span style="font-size:18px;">Pre-sales Consulting Service</span>
      • <span style="font-size:18px;">Sales And Service</span>
      • <span style="font-size:18px;">Services &amp; Capabilities</span>
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      Latest News​​​​​​​

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      Applications of Cold Drawn Spring Steel in Automotive Springs: Why It's The Ideal Choice for Suspension Systems

      Cold Drawn Spring Steel stands as a high-performance material, recognized for its exceptional strength, durability, and elasticity. As a top choice for spring manufacturing, it is indispensable in the automotive industry, particularly for suspension systems. Union Steel, a leading supplier of high-q

      2025-03-03
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      The Benefits of Hot Rolled Spring Steel in Manufacturing High-Performance Springs

      In the world of spring manufacturing, the choice of material plays a crucial role in determining the final product's strength, durability, and overall performance. Among various types of steel, hot rolled spring steel stands out for its exceptional characteristics. Specifically designed for high-per

      2025-02-28
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      The Science Behind Spring Steel: How Its Carbon Content Affects Performance

      Spring steel is a specialized type of high-carbon alloy steel, engineered for use in the manufacture of springs. Known for its impressive elasticity, strength, and durability, it is the material of choice in a variety of applications, from automotive suspension systems to mechanical devices. The key

      2025-02-27
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      Non-Alloy Spring Steel Vs. Alloy Spring Steel: Key Differences And Applications

      Spring steel is a specialized high-carbon alloy steel used to manufacture springs due to its exceptional elasticity and strength. It is crucial in applications where maintaining shape and performance under stress is key.

      2025-02-26

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      The Management and Staff at Union Steel, have a firm belief that by identifying the customers’ needs, we can achieve the best results for all. Union Steel warmly welcomes friends around the world to cooperate with us.

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      Tel: +86-24-81267300
      Phone: +86-18904079192
      Add: No. 237, Shenbei West Road, Yuhong District, Shenyang City, Liaoning Province

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