Top 20C8 Carbon Steel Manufacturers & Suppliers in Mumbai
Titan Steel is a trusted Top 20C8 Carbon Steel Manufacturer and Supplier in Mumbai, offering premium-quality steel products for engineering, fabrication, automotive, and industrial applications. Our 20C8 Carbon Steel Round Bars are manufactured using quality-tested raw materials to ensure excellent performance, dimensional accuracy, and long-term reliability. We provide a wide range of standard and customised sizes to meet the specific requirements of our customers across various industries.
Premium Quality 20C8 Carbon Steel
20C8 is a medium-low carbon steel grade widely used in engineering applications where a combination of strength, toughness, and machinability is required. It is well suited for manufacturing components that require surface hardening while maintaining a strong and durable core. Its excellent machining characteristics and good weldability make it a preferred material for precision engineering and industrial fabrication.
With consistent mechanical properties and dependable performance, 20C8 Carbon Steel is commonly selected for components that are subjected to moderate loads and continuous operation. It offers an economical solution for manufacturers seeking quality, durability, and ease of processing.
Whether used for automotive parts, machine components, shafts, gears, or general engineering products, 20C8 Carbon Steel delivers reliable performance and long service life in demanding industrial environments.
20C8 Grade Applications:
This steel is widely used for components subject to wear, such as:
- Collets
- Cams
- Rollers
- Bushes
- Spindles
- Gears
20C8 Equivalent Grades:
- IS: 20C8
- BS: C20, 070M20
- DIN: C20, 3D
- SAE: 1018, 1019, 1021, 1022
Additional Comparable Grades:
- MS, EN1A, EN3B, EN8, EN9, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062
- 42CrMo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS M2, M35, M42
- DIN-1.2714, P20, P20+S, P20+Ni, SCM420, ASTM SA-36, ASTM SA-105
- SAE1018, SAE1010, SAE4140, SAE8620, 16MNCR5, 20MNCR5, C20, C45, C50, C60, CK45
- 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3
20C8 Chemical Composition:
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.15 – 0.25 |
| Manganese (Mn) | 0.60 – 0.90 |
| Silicon (Si) | 0.15 – 0.35 |
| Sulfur (S) | Max 0.40 |
| Phosphorus (P) | Max 0.40 |
20C8 Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength (N/mm²) | 430 |
| Impact (Izod) (J) | 18 |
| Impact (KCV) (J) | 39 |
| Hardness (Brinell) | 35 |
Hardness
20C8 Carbon Steel can achieve improved surface hardness through an appropriate heat treatment process. Surface hardening enhances wear resistance while maintaining a strong and durable core, making the material suitable for engineering components subjected to regular mechanical use.
Heat Treatment
The heat treatment process for 20C8 Carbon Steel is carried out according to the component’s dimensions, shape, and application requirements. Parameters such as heating temperature, holding time, cooling method, and quenching medium are carefully selected to achieve the desired mechanical properties and consistent material performance.
Hardening
For effective hardening, 20C8 Carbon Steel is generally heated to a temperature range of 760°C to 780°C and then rapidly cooled using a suitable quenching medium, such as water. This process increases the material’s hardness and improves its resistance to surface wear.
Tempering
After hardening, tempering is commonly performed at temperatures between 150°C and 200°C. This treatment helps reduce internal stresses, improves toughness, and provides a better balance between hardness and durability for long-term service.
Physical Properties
- Density: Approximately 7.85 g/cm³
- Material Type: Medium-Low Carbon Steel
- Mechanical Characteristics: Good strength, reliable toughness, excellent machinability, and good weldability
- Suitable For: General engineering, automotive components, shafts, gears, bushes, and precision-machined parts
Forging
20C8 Carbon Steel offers good forging characteristics when processed under controlled temperatures. For optimum results, the material is typically heated to around 1177°C (2150°F) before forging. To maintain the desired mechanical properties, forging should not be carried out below 1010°C (1850°F). Appropriate heat treatment after forging is recommended to achieve uniform strength and performance.
Stress Relieving
Stress relieving is often performed after extensive machining, welding, or forming operations. This process helps reduce internal stresses developed during manufacturing, improving dimensional stability and minimizing the possibility of distortion during further processing.
Normalizing
Normalizing is carried out by heating the material to approximately 900°C followed by controlled air cooling. This treatment refines the grain structure, enhances mechanical properties, and improves the overall strength and toughness of the steel.
Annealing
To improve machinability and reduce internal stresses, 20C8 Carbon Steel is generally annealed between 800°C and 850°C and then cooled slowly under controlled conditions. This process softens the material, making it easier to machine, form, and fabricate.
Machinability
20C8 Carbon Steel is known for its good machining performance in the annealed condition. It can be efficiently turned, drilled, milled, and shaped using conventional machining methods. For applications requiring additional hardness and wear resistance, heat treatment can be carried out after machining to obtain the desired mechanical properties.
Welding
20C8 Carbon Steel offers good weldability and can be joined using most conventional fusion and resistance welding processes. The choice of welding method should be based on the component design and application requirements to achieve strong, reliable joints. Oxy-acetylene welding is generally not preferred for this steel grade. When filler material is required, it should be selected according to the applicable welding standards and the specific service conditions to ensure optimum weld quality and performance.
Titan Steel & Engineers Related Products:
Carbon Steel, Alloy Steel, Bright Steel, Spring Steel, Die Steel & Tool Steel, Special Alloy Steel
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20C8 Thermal Properties:
| Property | Imperial | Metric |
|---|---|---|
| Thermal Conductivity | 360 BTU in/hr.ft².°F | 51.9 W/mK |
Supply Cities
- Mumbai
- Ahmedabad
- Amaravathi
- Ambattur
- Bangalore
- Belgaum
- Chennai
- Chittoor
- Coimbatore
- Dindigul
- Mysore
- Nellore
- Hyderabad
- Kochi
- Mangalore
- Tirupur
- Tuticorin
- Madurai
- Andhra Pradesh
- Karnataka
- Puducherry
- Kerala
- Tamil Nadu
- Telangana
- Visakhapatnam
- Kochi
- Kerala
- Hubli-Dharwad
- Karnataka
Our Supply Range:
- We supply a wide range of sizes and forms in 20C8 steel.
Price List:
- 20C8: Competitive pricing based on order volume and specific requirements.
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