Njabulo Stainless is a reputable manufacturer and supplier of top-notch Stainless Steel 309S Bars, proudly based in Cape Town, South Africa. Renowned for their precision engineering and unwavering commitment to quality, Njabulo Stainless serves a diverse array of industries by offering corrosion-resistant and heat-resistant stainless steel solutions. The company skillfully blends advanced manufacturing techniques with rigorous quality control to ensure their products meet both local and international standards. With a solid reputation for reliability and excellence, Njabulo Stainless has become the go-to source for Stainless Steel 309S Bars in Cape Town, catering to sectors such as petrochemical, construction, energy, and marine industries.
The Stainless Steel 309S Bars produced by Njabulo Stainless are primarily composed of chromium (22–24%) and nickel (12–15%), featuring low carbon content to improve weldability and minimize carbide precipitation. This alloy is celebrated for its outstanding oxidation resistance and high-temperature strength, making it perfect for heat-intensive environments. In terms of mechanical properties, it boasts a tensile strength of around 550 MPa, a yield strength of approximately 205 MPa, and an elongation of 40%, along with a Brinell Hardness of 147 HB. These characteristics make 309S Bars ideal for demanding structural and industrial applications.
| Specifications | ASTM A182 / ASME SA182 |
| Flange size range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Flanges Dimensions | ANSI/ ASME B16.5, B16.47 A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Flanges Standard | ANSI Flanges, AWWA Flanges, ASME Flanges, BS 10 Table D Flanges, Table E Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges. |
| Pressure Class / Rating | Class 150 LBS, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Flange Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Large Male-Female (LMF), Flat Face (FF), Small Male-Female (SMF), Lap-Joint Face (LJF), Small Tongue, Large Tongue & Groove |
| Specialized manufacturer of | Weld Neck Ring Flanges (WNRF), Slip-On Ring Flanges (SORF), Blind Ring Flanges (BLRF), Socket Weld Ring Flanges (SWRF), Lap Joint Ring Flanges (LJRF), Ring Type Joint Flanges (RTJF), Large Diameter Flanges, Orifice Flanges |
| Grade | C | Mn | Si | S | Fe | Ni | Cr | P | Ce |
| Stainless Steel 253MA | 0.05-0.10 max | 0.80 max | 1.40-2.00 | 0.030 max | Balance | 10.0-12.0 | 20.0-22.0 | 0.040 max | 0.03-0.08 |
| Tensile Strength | Elongation |
| 90,000-114,000 | 2 %F |
Contact us to get a quick quote for your requirement.
SS 253 MA Socket Weld Flanges provide strong, high-temperature-resistant connections for piping systems. Made from stainless steel, they offer excellent corrosion resistance and durability for demanding industrial applications.
SS 1.4835 Ring Type Joint Flanges are designed for high-pressure and high-temperature applications. Made from durable stainless steel, they offer superior resistance to corrosion and ensure a tight, leak-proof seal.
Stainless Steel 253 MA Spectacle Blind Flanges are durable, high-temperature-resistant components used to block off piping systems. They offer exceptional resistance to corrosion, ensuring reliable performance in harsh industrial environments.
We conduct a wide range of rigorous in-house tests including mechanical, chemical and dimensional evaluations. To ensure the top-notch quality of our Stainless Steel 253MA Flanges. Every flange undergoes stringent quality control measures for ensuring that they meet the industry standards. Besides, we focus on quick delivery. So that our clients get their Stainless Steel 253MA Flanges on time without affecting the quality of the product and performance. We ensure and our endeavor to provide superior quality results constantly in the competitive world.
Njabulo Stainless’s 309S Bars find extensive use in industries that require high strength and resistance to extreme heat and corrosion. Common applications include furnace components, heat exchangers, kilns, chemical processing equipment, and boiler baffles. The alloy’s capability to endure thermal cycling and oxidation up to 1000°C makes it suitable for power plants, refineries, and marine environments. Moreover, the low carbon content of 309S enhances weldability, making it a great choice for fabrication projects and pressure vessels. Whether for heavy-duty industrial use or custom-engineered solutions, Njabulo Stainless provides versatile bars that meet the needs of a wide range of demanding applications.
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