Khaleed Stainless, located in Riyadh, Saudi Arabia, is a reputable manufacturer and supplier of top-quality stainless steel products. One of their standout offerings is the **Stainless Steel 904L Hollow Bar**, celebrated for its exceptional corrosion resistance, durability, and precise dimensions. These hollow bars are specifically designed for high-performance applications, making them perfect for industries that encounter aggressive chemicals, high pressures, or marine conditions. Khaleed Stainless guarantees that each 904L hollow bar adheres to international standards, providing customized sizes and finishes for sectors like chemical processing, pharmaceuticals, marine, and oil & gas, where reliability and strength are paramount.
Stainless Steel 904L Hollow Bar is a high-alloy austenitic stainless steel with a low carbon content, featuring about 25% nickel, 20% chromium, 4.5% molybdenum, and a touch of copper. This unique blend offers remarkable resistance to pitting, crevice corrosion, and acid attacks, especially in environments with sulfuric or hydrochloric acid. The material boasts a tensile strength ranging from 490 to 710 MPa and a yield strength of around 220 MPa. The hollow design not only saves weight but also simplifies machining for cylindrical components, all while ensuring strength and corrosion resistance in demanding applications.
| Standard | ASTM B649, ASME SB649 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| Grade | Ni | Mo | Cr | Cu | C | Mn | Si | P | S |
| 904L | 23 – 28 | 4 – 5 | 19 – 23 | 1 – 2 | 0.02 max | 2.0 max | 1.0 max | 0.045 max | 0.035 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.05 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | JIS | BS | KS | EN |
| 904L | 1.4539 | N08904 | Z2NCUD31-20AZ | SUS 890L | 904S13 | STS 317J5L | X1NiCrMoCu25-20-5 |
SS 904L differs from other stainless steels by its high resistance to corrosion, especially in acidic environments. It contains added copper, making it more resistant to pitting, crevice corrosion, and stress corrosion cracking compared to standard stainless steel alloys.
SS 904L stainless steel consists of approximately 24-26% chromium, 19-23% nickel, 4-5% molybdenum, 1-2% copper, and small amounts of manganese, silicon, and carbon. The copper enhances corrosion resistance, particularly in acidic environments, while maintaining high strength.
The typical diameter range for SS 904L hollow bars varies from 10 mm to 300 mm, although custom sizes can be manufactured. These bars are available in various wall thicknesses, depending on specific application requirements and industry standards.
Stainless Steel 904L Hollow Bars find their place in industries where both corrosion resistance and strength are vital. In chemical and pharmaceutical processing, they excel in equipment that faces harsh acids and high-purity demands. In the marine sector, these bars are utilized for components in seawater systems, such as shafts and connectors. The oil and gas industries rely on them for heat exchangers, pressure vessels, and process piping. Their hollow structure minimizes material waste during machining and fabrication, making them a smart and efficient choice for high-performance environments prone to corrosion.






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Sahil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Riyadh, Saudi Arabia
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