Sadiki Metals is the leading manufacturer and supplier based in Kinshasa, Congo , manufacturing high-quality Stainless Steel 440C Square Bars and Rods. The superiority of our stainless steel 440C products due to strength, hardness, and corrosion resistance, these products make excellent applications for the most stringent demands of various industries like aerospace, automotive, and chemical processing. We cater to custom orders as per individual client requirements with assurance of perfect durability and performance in every product. With a commitment to quality, precision, and reliable service, Sadiki Metals is your trusted partner for premium stainless steel solutions in the Kinshasa 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 guarantees outstanding resistance to corrosion, pitting, and stress cracking. The alloy showcases 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.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Size : Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 440C | 1.20-0.95 | 18.00-16.00 | 1.00 | 1.00 | 0.04 | 0.03-0.15 | 1.00 |
| Element | Tensile Strength | Yield Strength | Elongation | Hardness |
| SS 440C | 1965 | 1896 | 2 | 57 |
| STANDARD | WERKSTOFF NR. | UNS | JIS |
| SS 440C | 1.4125 | S44004 | SUS 440C |
| SQUARES | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.62 | 2.05 |
| 18 | 0.79 | 2.59 |
| 20 | 0.76 | 2.49 |
| 22 | 1.18 | 3.87 |
| 25 | 1.52 | 5.00 |
| 28 | 1.91 | 6.27 |
| 30 | 2.19 | 7.20 |
| 32 | 2.50 | 8.19 |
| 36 | 3.16 | 10.37 |
| 38 | 3.52 | 11.55 |
| 40 | 3.90 | 12.80 |
| 45 | 4.94 | 16.20 |
| 50 | 6.10 | 20.00 |
| 56 | 7.65 | 25.08 |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Yes, Stainless Steel 440C Square Bars are magnetic. This is because they are martensitic stainless steel, which contains a high amount of carbon, making them ferromagnetic.
Yes, Stainless Steel 440C square rods can be heat-treated to improve hardness and strength. The typical heat treatment process includes austenitizing, quenching, and tempering.
Stainless Steel 440C square bars offer excellent high-temperature strength and maintain their hardness and wear resistance in elevated temperatures. However, prolonged exposure may lead to some reduction in toughness and ductility.
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 critical 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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