Ragnar Metals and Tubes is a leading manufacturer, supplier, stockist and exporter of premium quality SS 420 Round Bars. With more than 20 years of experience and ISO certified manufacturing standards, we provide high-performance Stainless Steel 420 Round Bars to customers across India, the Middle East and worldwide markets.
Stainless Steel 420 Round Bars are martensitic stainless steel products known for excellent hardness, wear resistance, strength and corrosion resistance. These bars are widely used in aerospace, automotive, medical equipment, oil and gas, marine engineering, defence and industrial manufacturing applications where durability and performance are essential.
Our SS 420 Round Bars are available in various sizes, finishes and specifications to meet diverse industrial requirements. We maintain ready stock and offer customized solutions with competitive pricing and timely delivery.
SS 420 Round Bar is a martensitic stainless steel bar containing chromium that provides excellent corrosion resistance and the ability to be heat treated to achieve high hardness levels. The material offers a combination of strength, wear resistance and toughness, making it suitable for demanding engineering applications.
Stainless Steel 420 Round Bars are commonly used in shafts, valves, surgical instruments, pump components, gears, fasteners and precision machined parts. The material can be hardened through heat treatment, allowing it to perform effectively under high stress and abrasive conditions.
SS 420 Round Bars can be heat treated to achieve high hardness levels, making them suitable for wear-resistant applications.
The chromium content helps protect against rust, oxidation and corrosion in various industrial environments.
SS 420 provides outstanding resistance to abrasion and surface wear, ensuring longer component life.
These bars offer excellent mechanical strength for heavy-duty industrial applications.
SS 420 can be machined efficiently in annealed condition and subsequently hardened.
The combination of strength and corrosion resistance contributes to long-term operational performance.
SS 420A Round Bars contain lower carbon content and provide excellent corrosion resistance while maintaining good hardness. These bars are commonly used in industrial equipment, food processing machinery, and general engineering applications.
SS 420B Round Bars offer a balance between hardness and corrosion resistance. The material is suitable for manufacturing tools, industrial components, and precision parts requiring reliable mechanical performance.
SS 420C Round Bars are widely recognized for their superior hardness, exceptional wear resistance, and excellent strength. This grade is frequently used for bearings, cutting tools, surgical instruments, aerospace components, and high-performance engineering applications.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 Max |
| Chromium (Cr) | 12.00 - 14.00 |
| Manganese (Mn) | 1.00 Max |
| Silicon (Si) | 1.00 Max |
| Phosphorus (P) | 0.040 Max |
| Sulfur (S) | 0.030 Max |
| Nickel (Ni) | 0.75 Max |
| Property | Value |
|---|---|
| Tensile Strength | 700 MPa Min |
| Yield Strength | 450 MPa Min |
| Elongation | 20% Min |
| Hardness | Up to 50 HRC (Heat Treated) |
| Density | 7.74 g/cm³ |
| Modulus of Elasticity | 200 GPa |
Many industrial buyers compare SS 420 Round Bars with SS 304 Round Bars when selecting materials for engineering applications. While both are stainless steel grades, they offer different properties and performance characteristics.
| Property | SS 420 Round Bar | SS 304 Round Bar |
|---|---|---|
| Type | Martensitic Stainless Steel | Austenitic Stainless Steel |
| Hardness | Excellent | Moderate |
| Heat Treatable | Yes | No |
| Wear Resistance | Excellent | Moderate |
| Corrosion Resistance | Good | Excellent |
| Magnetic | Yes | No |
| Strength | Higher | Moderate |
| Best Applications | Tools, Shafts, Valves, Surgical Instruments | Food Processing, Chemical Equipment, General Fabrication |
SS 420 Round Bars are preferred for applications requiring high hardness, wear resistance and strength. The material can be heat treated to achieve superior mechanical properties, making it suitable for shafts, cutting tools, pump components and precision engineering parts.
SS 304 Round Bars provide superior corrosion resistance and weldability, making them ideal for food processing equipment, chemical industries and architectural applications. However, SS 304 cannot achieve the same hardness levels as SS 420.
For wear-resistant and high-strength applications, SS 420 Round Bars are generally the preferred choice, whereas SS 304 Round Bars are recommended when corrosion resistance is the primary requirement.
SS 420 Round Bars offer a unique combination of hardness, strength, wear resistance, and corrosion resistance, making them one of the most preferred martensitic stainless steel products for demanding industrial applications. These bars are specifically designed to perform efficiently in environments where durability and reliability are essential.
SS 420 stainless steel can be heat treated to achieve very high hardness levels, making it suitable for components subjected to continuous wear and mechanical stress.
The high carbon content in SS 420 provides outstanding wear and abrasion resistance, ensuring longer service life even in harsh operating conditions.
The chromium content present in SS 420 stainless steel helps resist corrosion, oxidation, and rust formation in various industrial environments.
SS 420 Round Bars offer excellent tensile strength and impact resistance, making them ideal for precision engineering and heavy-duty applications.
The material can be heat treated to improve hardness and performance, allowing manufacturers to achieve the required mechanical properties.
Due to their excellent wear resistance and strength, SS 420 Round Bars provide long operational life with minimal maintenance requirements.
SS 420 Round Bars are extensively used in automotive manufacturing for shafts, gears, bearings, and precision-machined components requiring high wear resistance and strength.
The aerospace sector utilizes SS 420 Round Bars for critical components that demand durability, dimensional stability, and resistance to wear under extreme operating conditions.
Oil and gas companies use SS 420 Round Bars in valves, pumps, drilling equipment, and offshore systems where corrosion resistance and mechanical reliability are essential.
Marine applications benefit from the corrosion-resistant properties of SS 420 Round Bars in shafts, fittings, fasteners, and specialized hardware.
Surgical instruments, medical devices, and precision equipment are commonly manufactured using SS 420 stainless steel because of its hardness and resistance to corrosion.
Defense manufacturers use SS 420 Round Bars in high-performance equipment, precision tools, and specialized engineering applications.
| Specification | Details |
|---|---|
| Grade | SS 420 |
| UNS Number | S42000 |
| Werkstoff Number | 1.4021 |
| Standard | ASTM A276 / ASTM A479 |
| Diameter | 5mm to 500mm |
| Length | 1000mm to 6000mm |
| Forms | Round, Hex, Square, Flat |
| Finish | Bright, Black, Ground, Polished, Peeled |
Every SS 420 Round Bar supplied by Ragnar Metals and Tubes undergoes strict quality inspection to ensure compliance with international standards and customer requirements.
SS 420 Round Bars are securely packed using export-grade materials to prevent damage during transportation and storage. Every shipment includes complete documentation for international projects and exports.
Ragnar Metals and Tubes supplies SS 420 Round Bars throughout Dubai, Abu Dhabi, Sharjah, Ajman, Fujairah, and Ras Al Khaimah. We serve EPC contractors, fabrication companies, engineering firms, and industrial manufacturers across the UAE.
We regularly export SS 420 Round Bars to Riyadh, Jeddah, Dammam, Jubail, and Yanbu for oil and gas, petrochemical, defense, and heavy engineering projects.
Our products are supplied to major industrial and infrastructure projects across Doha and other regions of Qatar.
We export premium quality SS 420 Round Bars to Muscat, Sohar, Salalah, and industrial zones throughout Oman.
SS 420 Round Bar is a martensitic stainless steel product offering excellent hardness, wear resistance and corrosion resistance.
Yes, SS 420 stainless steel is magnetic after heat treatment.
Yes, SS 420 can be heat treated to achieve high hardness and improved mechanical properties.
Aerospace, automotive, medical, oil and gas, marine and engineering industries use SS 420 Round Bars.
SS 420 can achieve hardness levels up to approximately 50 HRC depending on heat treatment conditions.
Yes, Ragnar Metals and Tubes exports SS 420 Round Bars worldwide including UAE, Saudi Arabia, Oman, Qatar, Kuwait and Bahrain.
Yes, third-party inspection certificates can be provided as per customer requirements.
