Sadiki Metals, a well-respected manufacturer and supplier located in Kinshasa, Congo, focuses on crafting top-notch Stainless Steel 904L Hollow Bars that excel in tough, corrosive, and high-temperature settings. With state-of-the-art manufacturing facilities and a strong commitment to international standards, Sadiki Metals guarantees precise dimensions, a flawless finish, and impressive durability in every product. These Stainless Steel 904L Hollow Bars are celebrated for their outstanding resistance to sulfuric acid, chloride attack, and oxidation, making them perfect for applications in the chemical, marine, and pharmaceutical sectors. Sadiki Metals delivers dependable, high-performance solutions tailored to meet even the most challenging industrial needs.
Stainless Steel 904L Hollow Bars are made up of a blend of chromium (19–23%), nickel (23–28%), molybdenum (4–5%), copper (1–2%), and a low amount of carbon. This special mix gives it exceptional resistance to strong reducing acids and pitting corrosion, especially in chloride-rich environments. The material boasts a tensile strength ranging from 490 to 740 MPa and a yield strength of about 220 MPa, along with impressive elongation and toughness. Thanks to its austenitic microstructure, it offers great formability and weldability. Plus, the combination of nickel, molybdenum, and copper boosts its resistance to stress corrosion cracking, making it a reliable choice for extreme service conditions.
| 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 are a go-to choice in industries that demand top-notch corrosion resistance and mechanical strength. They’re perfect for chemical processing equipment, heat exchangers, condensers, and storage tanks that face harsh acidic and chloride-rich environments. In the marine sector, you’ll find them in propeller shafts, seawater handling systems, and various structural components. The pharmaceutical and food processing industries appreciate their hygienic and non-reactive qualities. Plus, they’re also utilized in oil refineries, pulp and paper plants, and power generation systems. With their impressive durability, excellent machinability, and long service life, it’s no wonder they’re favored for critical engineering applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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