Harsh Metalloys, based in Mumbai, India, is a leading manufacturer and supplier of premium Stainless Steel 904L Tubing, known for its superior corrosion resistance and high performance in aggressive environments. Our 904L tubes are produced using advanced manufacturing techniques and top-grade raw materials to meet the demanding requirements of industries such as chemical processing, pharmaceuticals, marine, and power generation. Available in a range of sizes, wall thicknesses, and specifications, Harsh Metalloys delivers products that meet international quality standards, ensuring long service life, durability, and performance under extreme operating conditions.
Stainless Steel 904L Tubing is an austenitic stainless steel alloy with a high content of chromium (19–23%), nickel (23–28%), molybdenum (4–5%), copper (1–2%), and low carbon. This unique composition provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in acidic and chloride-rich environments. The tubing exhibits tensile strength around 71 ksi (490 MPa), yield strength approximately 31 ksi (220 MPa), and elongation of 35%. It also maintains good toughness and weldability. 904L tubing is non-magnetic in all conditions and ideal for highly corrosive and high-pressure applications.
| Specifications | : | ASTM A/ASME SA213/ A249/ A269 |
| Dimensions | : | ASTM, ASME and API |
| SS 310/ 310S Tubes Size | : | 1/8″NB TO 30″NB IN |
| Schedule | : | SCH20, SCH30, SCH40, XS, STD, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Thickness | : | 0.35mm to 6.35mm OD in thickness ranging from 0.1mm to 1.2mm. |
| Form | : | Round, Rectangular, Square, Hydraulic Etc |
| Type | : | Seamless / Fabricated / ERW / Welded / LSAW Tubes |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| AISI 904L | Maximum | Minimum |
|---|---|---|
| Ni | 28.00 | 23.00 |
| C | 0.20 | – |
| Mn | 2.00 | – |
| P | 00.045 | – |
| S | 00.035 | – |
| Si | 1.00 | – |
| Cr | 23.0 | 19.0 |
| Mo | 5.00 | 4.00 |
| N | 00.25 | 00.10 |
| CU | 2.00 | 1.00 |
| Element | Grade 904L |
|---|---|
| Density | 8 |
| Melting Range | 1300 -1390 ℃ |
| Tensile Stress | 490 |
| Yield Stress (0.2%Offset) | 220 |
| Elongation | 35% minimum |
| Hardness (Brinell) | – |
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We practically assures its customers the top quality concerning their products, Stainless Steel 904L Tubing, with intension testing and certification measures. Each of these products is accompanied by elaborate quality checks ranging from the analysis of the material to tensile strength and corrosion resistance tests. With its international certification, the tubing guarantees excellent performance, performance reliability, and adherence to the demands of a specific industry.
When it comes to seamless tubing, 904L stands out with its exceptional corrosion resistance and strength, making it perfect for high-purity and high-pressure applications in chemical, pharmaceutical, and marine settings.
For those looking for a cost-effective solution, 904L welded tubing offers solid corrosion resistance, making it a great fit for low to moderate pressure systems in processing industries and structural applications that face aggressive media.
The 904L heat exchanger tubes are designed to resist pitting, crevice corrosion, and harsh acidic environments, ensuring they perform reliably in chemical, petrochemical, and marine heat transfer systems.
If precision is key, 904L instrumentation tubing delivers high accuracy, corrosion resistance, and strength, making it ideal for critical fluid and gas control in pharmaceutical, offshore, and high-purity systems.
Built to endure high temperatures and corrosive steam environments, 904L boiler tubes are perfect for power generation, refineries, and thermal processing applications.
Offering both corrosion resistance and durability, 904L U-tubes are commonly used in compact heat exchangers, making them a staple in chemical plants, condensers, and power generation systems.
With excellent thermal conductivity and resistance to chlorides, 904L condenser tubes are essential for seawater cooling, HVAC systems, and power plant condensers.
To boost heat transfer efficiency and corrosion resistance, 904L fin tubes are the go-to choice for air-cooled heat exchangers and industrial cooling systems, especially in tough environments.
Stainless Steel 904L Tubing is widely used in applications requiring high corrosion resistance, particularly in environments containing strong acids such as sulfuric, phosphoric, and acetic acid. Industries that commonly use 904L tubing include chemical processing, petrochemical, marine, pulp and paper, and wastewater treatment. It is ideal for heat exchangers, condensers, instrumentation tubing, and fluid transfer lines. 904L tubing is also used in offshore oil platforms, desalination plants, and pharmaceutical manufacturing, where cleanliness and durability are crucial. Its ability to resist chloride-induced corrosion and withstand high temperatures makes it a reliable choice for critical and long-term operations.
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