Hot Products

  • Alloy Steel
    • Heat Treatable Steel Fatigue Resistance 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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    • Excellent Thermal Fatigue Resistance Strong Toughness 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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    • Good High Temperature Stability Excellent Low Temperature Toughness 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. It has good high temperature and stability excellent low temperature toughness.
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    • Medium Hardenability Steel High Strength 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
      • Balanced Strength Balanced Hardness 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. It has balanced strength and balanced hardness.
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      • Balanced Performance Heat Treatable Steel 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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      • Carbon Structural Steel High-quality Steel SAE1020
        SAE1020 steel is a high-quality carbon structural steel that is usually used directly in the supplied state without heat treatment. Its advantages include high cost-effectiveness, good machinability, good welding performance and good formability. SAE1020 steel is widely used in mechanical parts, automotive parts, structural applications, fasteners, hand tools and equipment, agricultural equipment, pipes and tubes, and bicycle frames.
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      • Medium Carbon Steel High Cost Performance SAE1045
        SAE 1045/AISI 1045 Carbon Steel is a medium carbon steel which is characterized by good weldability, good machinability, high strength and impact properties in either the normalized or hot forged condition. It has high cost performance.
        SAE 1045/AISI 1045 steel is widely used for axles, bolts, forged connecting rods, crankshafts, torsion bars, light gears, guide rods etc.
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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. 
      30000
      tons
      Dynamic inventory
      356
      +
      Number of employees
      36
      +
      Industry experience

      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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      What Is Bright Steel?

      Bright steel has become an essential material in various engineering and manufacturing industries due to its exceptional properties and versatile applications. It is distinguished from other types of steel by its superior surface finish and precise dimensional tolerances. Understanding the character

      2025-04-29
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      Is Bright Steel Stronger Than Mild Steel?

      The steel industry is vast and multifaceted, encompassing a wide range of materials with varying properties tailored for specific applications. Among the myriad types of steel available, Bright Steel and mild steel are two commonly used variants that often come under scrutiny for their mechanical pr

      2025-04-29
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      What Grade Is Bright Steel?

      Understanding the nuances between different types of steel is crucial for engineers, metallurgists, and industry professionals. Among the various steel types, bright steel and stainless steel are often discussed due to their unique properties and applications. This article delves deep into the diffe

      2025-04-29
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      Is Bright Steel Corrosion Resistant?

      Bright steel has become an integral material in various engineering and industrial applications due to its superior mechanical properties and aesthetic appeal. However, a critical question that often arises is: Is bright steel corrosion resistant? Understanding the corrosion resistance of bright ste

      2025-04-29

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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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