S20C
S20C Steel – Properties, Composition, and Applications
What is S20C Steel?
S20C is a low-carbon steel grade as per JIS (Japanese Industrial Standards). It is commonly used in engineering and industrial applications due to its good machinability, weldability, and strength. This steel grade is widely utilized in manufacturing hydraulic fittings, shafts, gears, automotive components, and machinery parts.
Chemical Composition of S20C Steel
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.18 – 0.23 |
| Silicon (Si) | 0.15 – 0.35 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.035 |
Mechanical Properties of S20C Steel
| Property | Value |
|---|---|
| Tensile Strength | 400 – 500 MPa |
| Yield Strength | 250 MPa (Approx.) |
| Hardness (HB) | 120 – 160 HB |
| Elongation | 20% (Approx.) |
Equivalent Grades of S20C Steel
| Standard | Equivalent Grade |
|---|---|
| JIS (Japan) | S20C |
| AISI/SAE (USA) | 1020 |
| EN/DIN (Europe/Germany) | C22, 1.0402 |
| IS (India) | C22 |
| GB (China) | 20# |
Features & Advantages of S20C Steel
✔ Excellent Machinability – Easily processed in CNC and machining operations
✔ Good Weldability – Suitable for welding without preheating
✔ High Toughness – Ensures durability in mechanical applications
✔ Heat Treatable – Can undergo carburizing and hardening for better wear resistance
✔ Cost-Effective – Affordable compared to alloy steels
Heat Treatment of S20C Steel
Normalizing: 850 – 900°C (Refines grain structure)
Annealing: 850 – 880°C (Softens the material for machining)
Hardening: 870 – 920°C (Followed by oil or water quenching)
Tempering: 550 – 650°C (Enhances toughness and reduces brittleness)
Applications of S20C Steel
🔹 Hydraulic Fittings – Used in making precision hydraulic connectors and adapters
🔹 Automobile Components – Ideal for shafts, axles, and engine parts
🔹 Machine Parts – Widely used in the production of gears, bolts, and studs
🔹 Structural Uses – Employed in frames, fasteners, and industrial tools
S20C vs C20 – What’s the Difference?
S20C (JIS) and C20 (EN/IS) are similar low-carbon steels with minor differences in impurity limits.
S20C has slightly higher strength and is more common in Japan and East Asian markets, while C20 is preferred in Europe and India.
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Dhand Steels proudly stands as the largest and most reliable supplier of steel in India. With an unwavering commitment to quality and a vast distribution network, we cater to the steel needs of industries and projects across the nation. Our reach extends to numerous cities in Maharashtra, Mumbai, Pune, Nagpur, Thane, Nashik, Aurangabad, Solapur, Amravati, Jalgaon, Kolhapur, Navi Mumbai, Akola, Latur, Dhule, Ahmednagar, Chandrapur, Parbhani, Jalna, Bhusawal, Nanded, where we play an essential role in bolstering infrastructure and development. In Gujarat, our steel empowers progress in Ahmedabad, Surat, Vadodara, Rajkot, Bhavnagar, Jamnagar, Junagadh, Gandhinagar, Anand, Nadiad, Morbi, Bharuch, Gandhidham, Surendranagar, Mehsana, Vapi, Navsari, Veraval, Porbandar, Godhra, contributing to the state’s industrial prowess. In Telangana, our steel is integral to the growth of Hyderabad, Warangal, Nizamabad, Karimnagar, Ramagundam, Khammam, Mahbubnagar, Nalgonda, Adilabad, Siddipet, Miryalaguda, Secunderabad, Jagtial, Nirmal, Suryapet, Wanaparthy, Mancherial, Bhongir, Kamareddy, Medak. Tamil Nadu’s key cities like Chennai, Coimbatore, Madurai, Tiruchirappalli, Salem, Tirunelveli, Vellore, Erode, Thanjavur, Dindigul, Cuddalore, Kanchipuram, Tiruppur, Tuticorin, Nagercoil, Hosur, Pollachi, Rajapalayam, Karaikudi, Neyveli, Pudukkottai, Ambur, Nagapattinam, Tindivanam, Virudhachalam, Arakkonam, Krishnagiri, Dharmapuri, Sivakasi, Villupuram, Kumbakonam, Mayiladuthurai, Ranipet, Tenkasi, Punjab, mohali, chandigarh, bathinda, patiala, nabha, ludhiana, Karnataka, bengaluru, belgaum, Hosapete, hosur. rely on us for the structural backbone of their advancement.
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At Dhand Steels, our dedication to excellence knows no boundaries. Beyond Indian borders, our products find their way into international markets, shaping skylines and industries around the world. Our steel graces structures in the USA, supports innovation in England, fuels progress in Thailand, and contributes to development in Mexico, Brazil, Germany, Italy, Turkey, South Africa, Nigeria, Egypt, Algeria, Morocco, and Kenya. Across the African continent, our steel reinforces foundations, while in Dubai and other Middle Eastern countries, it forms the backbone of visionary projects.
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