Rupal Metals is a top-notch producer and supplier of premium Stainless Steel 420 Flat Bar located in Delhi, India. Acquainted with precision engineering and customer-oriented services, the company provides high-quality stainless steel materials that satisfy national as well as international standards. With industry experience spanning several years, Rupal Metals has gained a solid reputation for dependability, strength, and timely delivery. Their Stainless Steel 420 Flat Bars are extensively used in various industries, providing great strength and resistance against corrosion. Rupal Metals adhere to the culture of excellence and innovation, thus being a first-choice partner for stainless steel flat bar solutions in India.
Stainless Steel 420 Flat Bar consists mainly of 12–14% Chromium, Manganese up to 1%, Carbon 0.15%, and minute Silicon, Sulfur, and Phosphorus. This martensitic stainless steel contains good wear resistance and average corrosion resistance. Mechanical properties are tensile strength of 700–850 MPa, yield strength approximately 345 MPa, and hardness up to 50 HRC after heat treatment. It possesses good ductility and impact resistance in the annealed state, which makes it suitable for high-strength applications where wear and abrasion resistance are most important considerations.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 420 | 0.15 | 14.0 | 1.00 | – | 0.04 | 0.03 | 1.00 |
| Element | Tensile Strength | Yield Strength | Elongation | Hardness |
| SS 420 | 95,000 | 50,000 | 25 | 175 |
| Flat Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
Stainless Steel 420 Flat Bar is commonly used in applications requiring high strength, wear resistance, and moderate corrosion resistance. It is often found in the manufacturing of surgical instruments, valves, knives, bearings, shafts, and other precision machinery components.
Stainless Steel 420 typically has a hardness range of 50-55 HRC (Rockwell Hardness). When heat-treated, it can achieve higher hardness levels, making it suitable for applications requiring wear resistance, such as cutlery, tools, and industrial components.
Yes, Stainless Steel 420 Flat Bar can be heat treated to improve strength. Through processes like annealing, hardening, and tempering, its hardness, wear resistance, and overall strength can be enhanced, making it ideal for demanding applications like cutting tools.
Stainless Steel 420 Flat Bar is generally applied in various industries for its high hardness and good corrosion resistance. It is widely used in the manufacturing industry to produce cutting tools, knife blades, surgical instruments, and valve parts. In construction and engineering, it is utilized for applications involving wear-resistant and load-bearing components, such as shafts, gears, and fasteners. It is also preferred in the aerospace and automotive sectors because of its resistance to high-stress conditions. Because of its polishability and look, SS 420 flat bars find applications in decorative uses and building elements that need a powerful, shiny appearance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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