Junaid Metals, a top-notch manufacturer and supplier based in Manama, Bahrain, is well-known for its high-quality Stainless Steel 904L Hollow Bars, specifically designed for tough industrial applications. With a strong focus on precision engineering, rigorous quality control, and compliance with international standards, the company offers products celebrated for their outstanding corrosion resistance and durability. Their Stainless Steel 904L Hollow Bars are a go-to choice across various industries, thanks to their reliability, strength, and ability to endure harsh conditions. Junaid Metals has established itself as a trusted partner for clients looking for premium stainless steel solutions in sectors like chemical processing, marine engineering, oil and gas, and construction.
These Stainless Steel 904L Hollow Bars are crafted from a high-alloy austenitic stainless steel that includes significant amounts of nickel, chromium, molybdenum, and copper, which boost their resistance to strong acids and pitting corrosion. On the mechanical side, they provide excellent tensile strength, remarkable toughness, and dependable performance even at elevated temperatures. Plus, they offer good weldability, formability, and structural stability. Their advanced alloy composition guarantees long-lasting performance in highly corrosive and challenging environments.
| 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 extensive use in industries that demand exceptional corrosion resistance and mechanical reliability. In chemical and petrochemical plants, they serve as heat exchangers, processing equipment, and piping systems that come into contact with aggressive acids. The marine and offshore sectors depend on them for seawater-resistant components like pump shafts and structural tubing. In the oil and gas industry, they are essential for high-pressure and corrosive service applications. Additionally, pharmaceutical equipment, desalination plants, and food processing units benefit from their superior hygiene and durability. Their unique blend of strength, corrosion resistance, and versatility makes them perfect for long-term industrial use.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Junaid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manama, Bahrain
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