Sri Sakthi Steels

20MnCr5 billets are a type of low carbon alloy steel that are used to make a variety of steel products, including round bars, forged bars, and hex bars. 20MnCr5 billets are known for their high tensile strength, wear resistance, and hardness. They are often used in the manufacturing of machine parts, such as gears, rods, nuts, and bolts. 


We deals in Coimbatore, Salem, Erode, Ooty, Thudiyalur, Kavndampalayam,  Periyanayakanpalayam, Karamadai,  Narasimmanayakanpalayam, G N mills , Vadavalli, Perur, Thadagam, Kanuvai, Saibaba colony, Sivananda Colony, Gandhipuram,  Ukkadam, Peelamedu, Avinashi Road , Vilankurichi,  Vellaikinaru, Ganapathy, Saravanampatti, Townhall, Podanur, Chettipalayam Road , Mettualayam Road,  Sathi Road, Pannimadai, Singanallur,  Ramanathapuram, R S Puram, Race Course, and also in Tiruppur , Kangeyam , Dharapuram, Pollachi, Udumalai, Palani, Karur, Erode, Salem, Dindigul, Ottanchathiram, Palakkad, Chittur, Kozhinjampara, Velanthavalam, Navakkarai, Ooty, Gudallore, Nilgiris, Waynad, Valparai, Sathyamangalam, Annur, Puliyampatti, Bhavani, Mettur, Palladam, Mangalam, Kinathukkadavu,  Othhakkal Mandappam, Chennimalai, Perundurai,  Vijayamangalam, Vellakovil, Gobichettipalayam, Nearby Coimbatore, TamilNadu.

20MnCr5 is a case-hardening alloy steel plate known for its high tensile strength (around 1000–1300 N/mm²), toughness, wear resistance, and excellent machinability. Its properties are achieved through a low-carbon content for a tough core and alloying elements like Manganese (Mn) and Chromium (Cr) for hardenability and durability. The steel is used for industrial parts and transmission components requiring a hard, wear-resistant surface and a strong core, according to Amardeep Steel Centre and National Steel Industries. Key Properties

• High Tensile Strength:Typically ranges from 1000 to 1300 N/mm², making it suitable for high-stress applications. 
• Exceptional Toughness and Durability:The core maintains toughness to resist shock loads, while the case-hardened surface provides wear resistance. 
• Case Hardening Capability:It can be surface-hardened via carburizing or carbonitriding to achieve high surface hardness and wear resistance. 
• Good Machinability:The steel can be easily machined into various forms, facilitating manufacturing processes. 
• Strong Wear and Fatigue Resistance:The combination of a fine grain structure and a hard case provides high fatigue and impact strength. 

Chemical Composition 

• Carbon (C): 0.17-0.22%
• Manganese (Mn): 1.1-1.4%
• Chromium (Cr): 1.0-1.3%
• Silicon (Si): Up to 0.40%
• Sulfur (S) & Phosphorus (P): Max 0.035% each

ApplicationsDue to its desirable properties, 20MnCr5 steel is commonly used for:

• Automotive and Vehicle Components:Parts such as transmission components benefit from its strength and wear resistance, notes Ambhe Ferro Metal Processors Private Limited. 
• Industrial Gears:The steel's ability to achieve high surface hardness and maintain a tough core makes it ideal for gears. 
• High-Stress Parts:Components that endure high static and dynamic stresses are well-suited for 20MnCr5. 

Case hardening steel specifications include carbon content, hardness, and intended application. Case hardening steels are often low carbon or alloy steels. Carbon content

• Case hardening steels usually have a carbon content of 0.10–0.30% 
• Low carbon steel grades have a core strength of about 500 N/mm² 
• High alloyed grades have a core strength of over 1000 N/mm² 

Hardness 

• Hardness is measured using the Rockwell C scale (HRC) or the Brinell hardness scale (HB)
• The desired hardness level depends on the intended application

Intended application

• Case hardening steels are used in a wide range of engineering applications 
• They are particularly useful for items that deal with a range of conditions, such as firing pins in rifles 
• They are also used for machine parts like gears, rods, nuts and bolts, arms, and rollers 

Case hardening process 

• Case hardening is a heat treatment process that involves carburizing, hardening, and tempering
• It results in a hard, wear-resistant surface layer, while the core is tough

Steel grades 

• Some examples of case hardening steel grades include EN32 080M15, EN36 655M13, C10E, C15E, and 16MnCr5

We deals in Coimbatore, Salem, Erode, Ooty, Karur, Theni, Kerala, Mysuru, Karnataka, Udupi, Bengaluru, Silk board, White field, Vellore, Madurai , Kochi, Thrissuri, Thanjavur, Thoothukudi, Tiruchendure, Dindigul, Thudiyalur, Kavundampalayam,  Periyanayakanpalayam,  Bellari, Hubballi , Karamadai,  Narasimmanayakanpalayam, G N mills , Vadavalli, Perur, Thadagam, Kanuvai, Saibaba colony, Sivananda Colony, Gandhipuram,  Ukkadam, Peelamedu, Avinashi Road , Vilankurichi,  Vellaikinaru, Ganapathy, Saravanampatti, Townhall, Poodanur, Chettipalayam Road , Mettualayam Road,  Sathi Road, Mysuru,Mudumalai,  Salem , Pannimadai, Singanallur,  Ramanathapuram, Kalapatti, RS Puram, Race Course, and also in Tiruppur , Kangeyam , Dharapuram, Pollachi, Udumalai, Palani, Karur, Erode, Salem, Dindigul, Pollachi, Udumalpet, Ottanchathiram, Palakkad, Chittur, Kozhinjampara, Velanthavalam, Navakkarai, Ooty, coonoor,Kotagiri,  Gudallore, Palani, Theni, Nilgiris, Waynad, Valparai, Sathyamangalam, Annur, Puliyampatti, Bhavani, Mettur, Palladam, Mangalam, Kinathukkadavu,  Othhakkal Mandappam, Chennimalai, Perundurai,  Vijayamangalam, Vellakovil, karanampettai, Gobichettipalayam, Nearby Coimbatore, TamilNadu, Bengaluru, Kerala,Thrissure,Palakkad,  Karur, Andra Pradesh all states.

Case hardening steels are a type of low-carbon steel that, when subjected to a specific heat treatment process called case hardening, develop a hard, wear-resistant outer layer ("case") while retaining a tough, ductile inner core. This combination of properties, achieved by diffusing carbon or nitrogen into the steel's surface, makes these steels ideal for components like gears, fasteners, and engine parts that must withstand friction and impact without fracturing.  How Case Hardening Works

1. Low Carbon Core: Case hardening steels have a relatively low carbon content (typically 0.10-0.30%) in their core, providing inherent toughness and ductility. 
2. Surface Enrichment: During the case hardening process, the steel is heated to high temperatures in an atmosphere rich in carbon or nitrogen. 
3. Diffusion: Carbon or nitrogen atoms diffuse into the surface of the steel, forming a high-carbon or high-nitrogen alloy layer. 
4. Hardening: After the diffusion process, the treated component is quenched (rapidly cooled), which hardens the enriched surface layer, creating the "case". 
5. Tempering: The part is then tempered to relieve internal stresses and fine-tune the properties of both the case and the core. 

Benefits of Case Hardening

• Wear Resistance: The hard outer case resists abrasion and friction, extending the life of the part. 
• Toughness & Impact Resistance: The softer, tougher core can absorb shock and resist fracture, which is essential for components subjected to high stresses. 
• Versatility: Case hardening provides a durable surface without sacrificing the core's ability to withstand significant impact, a balanced property that through-hardened steels cannot achieve. 

Common Applications

• Automotive Parts: Gears, camshafts, and engine components. 
• Machinery & Tools: Components that experience heavy use and wear. 

• We deals in Tamilnadu Coimbatore, Salem, Erode, Ooty, Thudiyalur, Vadavalli, Kavndampalayam, Periyanayakanpalayam, Karamadai, GN Mills, Perur,  Narasimmanayakanpalayam, Thadagam, Kanuvai, Saibaba colony, Sivananda Colony, Gandhipuram,  Ukkadam, Peelamedu, Avinashi Road , Mettupalaym, Annur, Vilankurichi,  Vellaikinaru, Ganapathy, Saravanampatti, Arasur, Goldwins,  Townhall, Podanur, Chettipalayam Road , Mettualayam Road,  Sathi Road, Pannimadai, Singanallur, Ondipudur, Ramanathapuram, R S Puram, Race Course, and also in Tiruppur , Kangeyam , Dharapuram, Pollachi, Udumalai, Palani, Karur, Dindigul, Ottanchathiram, Valparai, Sathyamangalam, Annur, Puliyampatti, Bhavani, Mettur, Palladam, Mangalam, Kinathukkadavu,  Othhakkal Mandappam, Chennimalai, Perundurai,  Vijayamangalam, Vellakovil, Gobichettipalayam , Kerala District like Kasargod, Kannur, Wayanad, Malapuram, Palakkad, Kozhikode, Thrissur, Ernakulam, Idukki, Kottayam, Alapuzha, Pathanamthitta, Kollam, Thiruvananthapuram , Kodaikanal, Munnar, Calicut, Malappuram, Mannarkkad, Pandalam, Perumnavoor, Thiruvalla, Thrisur, Palakkad, Chittur, Kozhinjampara, Velanthavalam, Navakkarai, Ooty, Gudallore, Nilgiris, Waynad, Bangalore - Karnataka, Mysuru, Andra Pradesh also PAN India supply..