Stainless Steel 904L Flanges Manufacturer in Cape Town, South Africa

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Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of Stainless Steel 904L Flanges. These flanges are engineered for high-performance industrial and chemical applications, providing secure and leak-proof connections between pipes, valves, and equipment. Njabulo Stainless ensures precise dimensions, smooth surfaces, and uniform quality, making the flanges reliable and long-lasting. Stainless Steel 904L flanges are widely used in chemical, petrochemical, marine, pharmaceutical, and power generation industries, where superior corrosion resistance, mechanical strength, and durability are essential for safe and efficient fluid handling and piping systems.

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Stainless Steel 904L Flanges are made from austenitic stainless steel 904L, containing high nickel (24–26%), chromium (19–21%), copper (1–2%), and molybdenum (4–5%). This composition provides exceptional corrosion resistance, excellent mechanical strength, and high durability, even in highly acidic or chloride-rich environments. Mechanically, 904L flanges exhibit good toughness, dimensional stability, and resistance to pitting and stress corrosion cracking. Precision manufacturing ensures smooth surfaces, uniform thickness, and accurate bolt-hole alignment, making these flanges ideal for critical piping systems in demanding industrial and chemical applications.

Stainless Steel 904L Flanges Specifications

Standard	ASTM A182 / ASME SA182
Dimensions	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN
Standard	ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges
Size	1/2″ (15 NB) to 48″ (1200NB)
Class/Pressure	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64
Flange Face Type	Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Stainless Steel 904L Flanges Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Cu
SS 904L	0.020 max	2 max	1.00 max	0.040 max	0.030 max	19.00 – 23.00	4.00 – 5.00 max	23.00 – 28.00	1.00 –

Stainless Steel 904L Flanges Mechanical Properties

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 %

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Why Choose Stainless Steel 904L Bolts from Njabulo Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of Stainless Steel 904L Flanges

SS 904L Slip on Flanges

SS 904L Slip On Flanges offer excellent corrosion resistance, high strength, and durability for industrial applications, ensuring reliable performance.

SS 904L Ring Type Joint Flanges

SS 904L ring type joint flanges are robust, high-corrosion-resistant components designed for high-pressure applications. They ensure a tight seal with their precision-machined grooves, ideal for extreme environments and demanding conditions.

SS 904L Forged Flanges

SS 904L forged flanges are premium stainless steel fittings known for their superior strength and corrosion resistance. Ideal for high-pressure and harsh environments, they ensure reliability and durability in critical applications.

SS 904L Long Weld Neck Flanges

SS 904L long weld neck flanges are engineered for high-strength applications requiring extended weld connections. They offer exceptional corrosion resistance and structural integrity, making them suitable for demanding industrial environments.

SS 904L Lap Joint Flanges

SS 904L lap joint flanges are designed for flexibility and ease of assembly, featuring excellent corrosion resistance and strength. Their superior durability makes them ideal for applications in aggressive environments and high-pressure systems.

SS 904L Blind Flanges

SS 904L Blind Flanges provide strong corrosion resistance, high durability, and are ideal for sealing pipe ends in demanding environments.

Each and every unit of Stainless Steel 904L Flange is well packed with high-grade substances to curb rust and damage in shipping. We hire an efficient means of transportation to ensure timely delivery to the customers since their satisfaction is top priority. Delivery happens to the clients with all necessary documentation such as certificates of compliance along with material specifications, to ensure transparency and trust.

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Stainless Steel 904L Flanges Uses

Stainless Steel 904L Flanges are widely used in chemical processing, petrochemical, marine, pharmaceutical, and power generation industries. They are ideal for connecting pipes, pumps, valves, and pressure vessels in systems carrying corrosive chemicals, acids, or saline fluids. Their superior corrosion resistance ensures long-lasting, leak-proof connections in harsh and high-temperature environments. 904L flanges are also used in offshore platforms, refinery pipelines, and high-purity fluid systems, where reliability and durability are critical. Overall, they provide safe, strong, and corrosion-resistant connections, making them essential for demanding industrial, marine, and chemical applications.