Harsh Metalloys, based in Mumbai, India, is a reputable manufacturer and supplier of high-quality Stainless Steel 304L Tubing. This tubing is celebrated for its outstanding corrosion resistance, weldability, and durability. As the low-carbon version of 304 stainless steel, 304L is perfect for welded applications that don’t require post-weld annealing. Produced according to international standards like ASTM A213 and ASTM A269, these tubes come in a variety of sizes, wall thicknesses, and finishes to cater to different industry requirements. Harsh Metalloys guarantees top-notch performance and precision-engineered solutions for sectors such as chemical, food processing, pharmaceuticals, and marine.
Stainless Steel 304L Tubing is made up of Chromium (18–20%), Nickel (8–12%), and a low Carbon content (≤0.03%), along with Manganese (≤2%), Silicon (≤1%), Phosphorus (≤0.045%), and Sulfur (≤0.03%). The reduced carbon content minimizes the risk of intergranular corrosion after welding. Its mechanical properties include a tensile strength of 485–515 MPa, yield strength of 170–205 MPa, elongation of about 35–40%, and hardness reaching up to 90 HRB. These characteristics, combined with excellent corrosion resistance, make 304L tubing suitable for both high-purity and mildly corrosive environments.
| STANDARD | UNS | WERKSTOFF NR. | JIS | AFNOR | BS | GOST | EN |
| SS 304L | S30400 | 1.4301 | SUS 304 | Z7CN18‐09 | 304S31 | 08Х18Н10 | X5CrNi18-10 |
| SS | 304 |
|---|---|
| Ni | 8 – 11 |
| Fe | Balance |
| Cr | 18 – 20 |
| C | 0.08 max |
| Si | 0.75 max |
| Mn | 2 max |
| P | 0.040 max |
| S | 0.030 max |
| N | – |
| Grade | 304 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Hardness | |
| Rockwell B (HR B) max | 92 |
| Brinell (HB) max | 201 |
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We ensures the highest standards for our stainless steel 304I tubing through rigorous testing and certification processes. Each product undergoes extensive quality testing, including dimensional accuracy, tensile strength and corrosion resistance testing. We offer all relevant certifications, including material testing certificates (MTC) and compliance with international standards.
Stainless Steel 304I Seamless Tubing offers superior strength and corrosion resistance, ideal for high-pressure applications. Available in sizes ranging from 1/8” to 24” in diameter, it is crafted without any welded seams, ensuring durability and leak-proof performance.
Stainless Steel 304I Welded Tubing provides excellent resistance to corrosion and is cost-effective for less demanding applications. Typically available in sizes from 1/8” to 48” in diameter, it features welded seams and is suitable for a wide range of industrial uses.
Stainless Steel 304I Heat Exchanger Tube is designed for optimal thermal transfer and corrosion resistance in various heat exchanger systems. These tubes are available in sizes from 1/4” to 2” in diameter and are perfect for applications requiring efficient heat conduction.
Stainless Steel 304I Instrumentation Tubing is precision-made for high-pressure, high-purity, and corrosive environments. Available in sizes from 1/16” to 2” in diameter, it is ideal for instrumentation and control systems.
Stainless Steel 304I Boiler Tubes are engineered to withstand high temperatures and pressures in boiler applications. Ranging in sizes from 1/2” to 5” in diameter, they offer excellent resistance to oxidation and scaling.
Stainless Steel 304I U-Tubes are bent into a U-shape, perfect for heat exchangers and boiler applications where space efficiency and corrosion resistance are crucial. Sizes typically range from 1/4” to 2” in diameter, providing reliable performance in compact systems.
Stainless Steel 304I Condenser Tube is designed for high-efficiency heat exchange and corrosion resistance in condenser applications. These tubes come in sizes from 1/4” to 2” in diameter and are essential for maintaining system efficiency.
Stainless Steel 304I Fin Tubes feature extended surfaces (fins) to enhance heat transfer and corrosion resistance. Available in various diameters and fin configurations, they are ideal for applications needing increased heat dissipation.
Stainless Steel 304L Tubing finds extensive use in industries that demand clean, corrosion-resistant, and weldable tubing. It’s commonly used for transporting fluids and gases in the food and beverage sector, in pharmaceutical processing lines, heat exchangers, condensers, and water treatment systems. Its non-reactive nature makes it ideal for sanitary tubing in medical and dairy applications. Additionally, 304L tubing is utilized in marine and architectural projects due to its durability and sleek finish. Its ability to endure mild chemical exposure, pressure, and temperature fluctuations ensures a long service life.
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