Mbemba Stainless is a well-respected manufacturer and supplier of top-notch **Stainless Steel Ring Type Joint (RTJ) Flanges**, proudly based in Kinshasa, Congo. This company has built a solid reputation for crafting precision-engineered flanges that guarantee leak-proof sealing, even in high-pressure and high-temperature situations. Using only the finest stainless steel and cutting-edge technology, these RTJ flanges meet international quality standards. Mbemba Stainless caters to various industries, including petrochemical, oil and gas, power generation, and marine engineering, delivering durable, corrosion-resistant, and high-performance stainless steel RTJ flanges to clients both in Congo and around the globe.
Typically, Stainless Steel RTJ Flanges are made from grades like SS 304, 304L, 316, and 316L, which contain chromium (18–20%), nickel (8–12%), and molybdenum (2–3% in 316). These elements significantly boost corrosion resistance, strength, and hardness. The flanges boast a tensile strength ranging from 515–620 MPa and a yield strength of 205–290 MPa, along with excellent ductility, weldability, and heat resistance. Their impressive mechanical properties make them perfect for sealing applications that face extreme pressure and temperature in critical process environments.
| Size | 1/2″ to 48″ |
| Standards | MSS SP44, ASA, ANSI B16.47 Series A & B, ANSI B16.5, API-605, AWWA, Custom Drawings. |
| Pressure Ratings | PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Pressure class | 150#, 300#, 600#, 1500# |
| Dimensions | BS3293, Table D, E, F, & H, ANSI, PN6, 10, 16, 25, 64 BS10, BS4504, MSS- SP-44, DIN Standards |
| Flange Face Type Manufacturer | Ring Type Joint (RTJ) |
| Coating/Surface Treatment | Oil Black Paint, Yellow Transparent, Anti-rust Paint, Zinc Plated, Cold and Hot Dip Galvanized. |
| Test | Hydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector |
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At Mbemba Stainless, the quality of our Stainless Steel RTJ Flanges undergoes rigorous testing procedures. Like hardness tests, chemical analyzing, PMI, flattening, micro/macro, pitting resistance, flaring, and IGC testing. Mbemba Stainless provides its clients with essential documentation regarding commercial invoices, packing lists, certificates of origin, and guarantee letters, as well as Third-Party Inspection Certificates, which promise reliability and client satisfaction with trustworthy performance. Thus, Mbemba Stainless has made a perfect partner for Stainless Steel RTJ Flanges, which provide high performance.
Yes, Stainless Steel RTJ Flanges are ideal for potable water applications due to their high corrosion resistance, non-toxic properties, and durability, ensuring safe water quality and reliable connections in residential and industrial systems.
Yes, Stainless Steel RTJ Flanges can be used for underground applications due to their exceptional corrosion resistance, strength, and durability, ensuring reliable performance and longevity even in harsh and moisture-prone environments.
Common grades of stainless steel used in RTJ flange manufacturing include 304/304L and 316/316L for corrosion resistance, 321 for high-temperature strength, and duplex grades like 2205 for superior durability in demanding environments.
Yes, Stainless Steel RTJ Flanges are highly recyclable. Stainless steel is a sustainable material, and these flanges can be recycled without losing their quality, making them an environmentally friendly option for various industries.
You’ll find Stainless Steel RTJ Flanges commonly used in **oil and gas pipelines, petrochemical plants, refineries, power generation units, and offshore platforms**. Built for high-pressure systems, they provide secure and tight metal-to-metal sealing to prevent leaks, even under severe service conditions. These flanges are often found in equipment like valves, heat exchangers, and pressure vessels. Thanks to their exceptional corrosion resistance and structural integrity, they are ideal for harsh industrial and marine environments, ensuring long-lasting, reliable performance and safety in demanding operational settings.
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