Medium Hardenability Alloy Carburizing Steel Plate/Coil for Industry

20CrMnTi Alloy Steel

20CrMnTi is a widely used alloy structural steel, commonly applied in large quantities across various industries. It is primarily a carburizing steel and can also function as a quenched and tempered steel. Its chemical composition and mechanical properties are defined under the Chinese standard GB/T 3077-2015.

This grade is equivalent to several international standards, including SAE 5120 (USA), JIS SMnC420H (Japan), 1.7147 (Europe), and 18KhG (Russia). The carbon content of 20CrMnTi typically does not exceed 0.23%, classifying it as a low-carbon alloy structural steel.

Key Characteristics of 20CrMnTi Steel:

• Low carbon content:
  Carbon content is generally ≤ 0.23%, making it suitable for carburizing and forming processes.
• Good hardenability:
  Exhibits strong hardening ability after quenching, providing high strength and toughness with the ability to carry heavy loads.
• Balanced mechanical performance:
  After carburizing and quenching, the surface becomes hard and wear-resistant while the core remains tough. It also offers good impact toughness at low temperatures.
• Weldability and machinability:
  Provides moderate weldability and good machinability after normalizing treatment.
• Excellent wear resistance:
  High surface hardness and strength help resist wear, allowing stable performance under high temperature and high pressure conditions.