Isis Metals is a reliable manufacturer and supplier of Stainless Steel 904L Hollow Bars, proudly based in Manila, Philippines. The company focuses on crafting top-notch hollow bars that are celebrated for their outstanding corrosion resistance, strength, and durability. Made from high-quality 904L stainless steel and utilizing advanced processing techniques, these hollow bars adhere to international quality standards and boast precise dimensional accuracy. Isis Metals offers Stainless Steel 904L Hollow Bars in a variety of diameters, wall thicknesses, and lengths, catering to industries like chemical processing, oil and gas, marine engineering, and pharmaceutical manufacturing, where dependability and resistance to harsh chemical environments are crucial.
These Stainless Steel 904L Hollow Bars consist of 18–20% chromium, 23–28% nickel, 4–5% molybdenum, 1–2% copper, and a low carbon content (≤0.02%), which grants them remarkable resistance to pitting, crevice corrosion, and oxidizing acids. In terms of mechanical properties, they showcase a tensile strength ranging from 520–750 MPa, yield strength between 205–450 MPa, along with excellent ductility and toughness. The hollow design not only reduces weight but also maintains strength, while the low carbon content helps prevent sensitization, making these bars perfect for demanding applications that require both mechanical performance and chemical resistance.
| 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 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 extensive use in piping systems, valves, pumps, shafts, and structural components in highly corrosive settings. They are particularly suited for chemical processing equipment, pharmaceutical machinery, seawater applications, and marine hardware, where long-lasting durability and reliability are essential. These hollow bars deliver exceptional performance under high pressure, fluctuating temperatures, and exposure to aggressive chemicals, ensuring a prolonged service life, minimal maintenance, and consistent operation in challenging industrial and engineering environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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