Sadiki Metals, located in Kinshasa, Democratic Republic of Congo, stands out as a top manufacturer and supplier of Stainless Steel 904L Forgings. With a strong focus on precision engineering, exceptional quality, and ensuring customer satisfaction, the company offers high-performance forging solutions tailored for demanding industries. By leveraging cutting-edge manufacturing technology and adhering to international standards, Sadiki Metals produces corrosion-resistant, durable, and dimensionally accurate products. Their Stainless Steel 904L Forgings are renowned for their remarkable strength and longevity, making them a trusted choice in key sectors like chemical processing, marine engineering, oil and gas, and power generation across Africa and beyond.
The composition of Stainless Steel 904L Forgings includes a high nickel content (23–28%), chromium (19–23%), molybdenum (4–5%), copper (1–2%), along with manganese, silicon, and a low carbon content (<0.02%). This unique blend ensures outstanding resistance to corrosion, pitting, and stress cracking. The alloy is known for its excellent toughness and strength, even under high temperatures. Typical mechanical properties feature a tensile strength ranging from 490–710 MPa, a yield strength of about 220 MPa, and an elongation of roughly 35%. These traits make 904L forgings perfect for harsh and corrosive environments that demand durability and long-lasting performance.
| Standard | ASTM A182, ASME SA182 |
| Specification | DIN, ASTM, BS and all International Standards |
| Flat bar blocks | up to 27″ width and 15,000 lbs. |
| Cylinders and sleeves | up to 50″ maximum O.D. and 65″ maximum length |
| Discs and hubs | up to 50″ diameter and 20,000 lbs. |
| Rolled, hand forged or mandrel forged rings | up to 84″ maximum O.D. and 40″ maximum length |
| Rounds, shafts and step shafts | up to 144″ maximum length and 20,000 lbs. |
| Forging Types | Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging. |
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | Cu | |
| 904L | min. | – | – | – | – | – | 19.0 | 4.0-5.0 | 23.0 | 1.0 |
| max. | 0.20 | 2.0 | 1.0 | 0.045 | 0.035 | 23.0 | 28.0 | 2.0 | ||
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Yes, Stainless Steel 904L can be forged into custom shapes. Through advanced forging techniques, it can be shaped into various configurations to meet specific design and performance requirements for different applications.
Stainless Steel 904L forgings require minimal maintenance. Regular cleaning with mild detergents, periodic inspections for corrosion, and avoiding high-temperature exposure to chloride-rich environments ensure optimal performance and longevity.
Yes, Stainless Steel 904L forgings can be customized for specific applications. They can be tailored in size, shape, and finish to meet unique requirements, ensuring optimal performance in various industries.
Stainless Steel 904L Forgings find extensive use in industries where corrosion resistance and mechanical strength are crucial. They are frequently utilized in chemical processing plants, heat exchangers, marine equipment, and oil and gas refineries, thanks to their ability to endure acidic and chloride-rich conditions. Moreover, they are employed in pulp and paper mills, pharmaceutical processing equipment, and desalination plants. The alloy’s non-magnetic properties and excellent weldability make it ideal for precision components in aerospace and power generation. Sadiki Metals’ 904L forgings guarantee high reliability, durability, and safety in essential industrial 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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