What are SS 904L pipes and tubes used for?

They are used in chemical processing, marine environments, desalination plants, oil & gas facilities, and industries requiring superior corrosion resistance.

Why is SS 904L preferred over SS 316L?

SS 904L offers enhanced resistance to strong acids and chloride-induced corrosion due to its higher nickel, molybdenum, and copper content.

Are SS 904L pipes suitable for seawater applications?

Yes, they provide excellent resistance to seawater corrosion and are widely used in offshore and marine environments.

What standards apply to SS 904L pipes and tubes?

Common standards include ASTM A312 for pipes and ASTM A213/A269 for tubes.

SS 904L Pipes and Tubes Supplier in UAE

In industries where extreme corrosion and aggressive chemical exposure are common, selecting the right material is crucial for long-term reliability. SS 904L Pipes and Tubes are engineered to deliver exceptional resistance to pitting, crevice corrosion, and acidic environments, making them a preferred choice for critical industrial applications.

Whether you are an engineer, procurement specialist, or project manager, understanding the advantages of SS 904L stainless steel pipes and tubes can help you make informed purchasing decisions.

What Are SS 904L Pipes and Tubes?

SS 904L Pipes and Tubes are austenitic stainless steel products with high nickel, chromium, molybdenum, and copper content. This unique composition provides outstanding resistance to strong acids such as sulfuric and phosphoric acid, as well as excellent performance in chloride-rich environments.

Why Choose SS 904L Pipes and Tubes?

Exceptional Corrosion Resistance

The high molybdenum and copper content provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride and acidic environments.

Superior Performance in Acidic Media

SS 904L stainless steel tubing performs exceptionally well in sulfuric, phosphoric, and acetic acids, making it ideal for chemical processing industries.

High Durability and Longevity

These pipes offer extended service life with minimal maintenance, reducing lifecycle costs and operational downtime.

Excellent Weldability and Fabrication

The low carbon content ensures easy welding and fabrication without the risk of carbide precipitation.

Versatility Across Industries

From offshore platforms to pharmaceutical plants, SS 904L pipes and tubes are suitable for a wide range of demanding applications.

Applications of SS 904L Pipes and Tubes

Chemical and Petrochemical Industry

Used for handling aggressive chemicals and acids in reactors, pipelines, and storage systems.

Marine and Offshore Engineering

Excellent resistance to seawater corrosion makes these pipes suitable for offshore platforms and shipbuilding.

Desalination and Water Treatment

Ideal for brine handling and reverse osmosis systems in desalination plants.

Oil & Gas Industry

Ensures reliability and safety in pipelines and processing units exposed to corrosive environments.

Pharmaceutical and Food Processing

Provides hygienic and contamination-free fluid transport systems.

Pulp and Paper Industry

Widely used in bleaching and chemical treatment processes.

Quality Assurance and Certifications

To ensure consistent quality, SS 904L pipes and tubes are supplied with comprehensive documentation, including:

Mill Test Certificates (EN 10204 3.1)
Chemical and Mechanical Test Reports
Positive Material Identification (PMI)
Non-Destructive Testing (NDT) Reports
Third-Party Inspection Certificates

SS 904L Pipes and Tubes represent the pinnacle of corrosion-resistant stainless steel solutions, offering exceptional durability, reliability, and performance in the most demanding environments. Their superior resistance to acids and chlorides makes them indispensable for industries such as chemical processing, marine engineering, and desalination.

By choosing high-quality SS 904L stainless steel pipes and tubes from a trusted supplier, businesses can ensure long-term operational efficiency and safety. Whether for new installations or system upgrades, SS 904L remains a strategic investment for critical industrial applications.

904L Stainless Steel Pipes and Tubes Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	JIS	KS	BS	AFNOR	EN
SS 904L	1.4539	N08904	SUS 904L	STS 317J5L	904S13	Z2 NCDU 25-20	X1NiCrMoCu25-20-5

SS 904L Seamless Pipes

SS 904L seamless pipes are high-alloy, weld-free stainless steel pipes offering exceptional resistance to pitting, crevice corrosion, and acidic environments, ideal for critical chemical and marine applications.

SS 904L Welded Pipes

SS 904L welded pipes provide cost-effective and reliable corrosion resistance, making them suitable for chemical processing, desalination, and offshore systems.

SS 904L EFW Pipes

SS 904L EFW (Electric Fusion Welded) pipes are large-diameter, heavy-duty stainless steel pipes designed for high-pressure and high-temperature applications in refineries and power plants.

SS 904L Seamless Tubes

SS 904L seamless tubes are precision-engineered, weld-free stainless steel tubes delivering superior durability and corrosion resistance for heat exchangers and process equipment.

SS 904L Welded Tubes

SS 904L welded tubes offer excellent resistance to aggressive chemicals and chloride-rich environments, making them ideal for structural and industrial process applications.

SS 904L ERW Pipes & Tubes

SS 904L ERW (Electric Resistance Welded) pipes and tubes feature uniform wall thickness and outstanding corrosion resistance, ensuring dependable performance in fluid transport and engineering systems.

Standards :

ASTM A312 TP904L (Pipes), ASTM A213/A269 TP904L (Tubes)

Equivalent Grades :

UNS N08904, EN 1.4539, DIN X1NiCrMoCu25-20-5

Forms :

Seamless, Welded, ERW, and EFW

Surface Finishes :

Annealed & Pickled, Bright Annealed, Polished

Variants :

Available primarily in SS 904L with specialized custom configurations to meet specific industrial and project requirements.

Thickness Range :

Offered in a wide range of thicknesses and standard pipe schedules to accommodate various pressure ratings and engineering needs.

Length :

Provided in single random, double random, and custom cut lengths to align with precise project specifications.

End :

Available with plain, beveled, or threaded ends to ensure compatibility with different piping and installation systems.

End Protection :

Each pipe is fitted with protective plastic caps to prevent damage and contamination during storage and transportation.

Outside Finish :

Available in finishes such as annealed and pickled, bright annealed, polished, and mill finish to meet both functional and aesthetic requirements.

Delivery Condition :

Supplied in annealed and pickled, bright annealed, or cold-worked conditions to ensure optimal mechanical properties and corrosion resistance.

Inspection & Test Reports :

Accompanied by comprehensive quality documentation including Mill Test Certificates (EN 10204 3.1), chemical and mechanical reports, PMI, and third-party inspection certificates.

Packing :

Securely packaged in wooden crates, plastic-wrapped bundles, or steel-strapped consignments to ensure safe and damage-free delivery.

Specials :

Customized sizes, wall thicknesses, and specifications can be manufactured upon request to meet unique project and application requirements.

SS 904L vs Other Stainless Steel Grades

Property	SS 904L	SS 316L	Duplex Stainless Steel
Corrosion Resistance	Excellent	Very Good	Excellent
Resistance to Acids	Superior	Moderate	Good
Chloride Resistance	Excellent	Good	Excellent
Cost	Higher	Moderate	Moderate
Ideal Applications	Chemical & Marine	General Industrial	Offshore

Mechanical Properties Of Stainless Steel 904L Seamless Pipes and Tubes

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Rockwell B (HR B)	Brinell (HB)
904L	490	220	36	70-90 typical	150

Physical Properties of 904L Stainless Steel Pipes And Tubes

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (µm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100°C (J/kg.K)	Elec Resistivity (nΩ.m)
Grade	Density (kg/m3)	Elastic Modulus (GPa)	0-100°C	0-315°C	0-538°C	At 20°C	At 500°C	Specific Heat 0-100°C (J/kg.K)	Elec Resistivity (nΩ.m)
904L	7900	190	15	-	-	11.5	-	500	952