Stainless Steel 904L (UNS N08904, ASTM B625, EN 1.4539) is a premium austenitic stainless steel alloy known for its exceptional corrosion resistance, particularly in harsh environments like sulfuric acid, chloride-rich atmospheres, and seawater applications. As a leading Stainless Steel 904L Manufacturer, Supplier & Exporter, we provide high-quality 904L stainless steel products to clients across industries and continents, backed by quality certifications and decades of experience.
With a strong presence in both domestic and international markets, our company has become a trusted name for sourcing stainless steel 904L in all standard and customized forms. From oil & gas fields in the Middle East to chemical processing plants in Europe, we deliver quality materials with full traceability and consistent availability.
Stainless Steel 904L is a low-carbon, high-alloy austenitic stainless steel with superior resistance to pitting, crevice corrosion, and stress corrosion cracking. It contains high levels of nickel (23–28%), chromium (19–23%), molybdenum (4–5%), and copper (1–2%), which makes it ideal for aggressive environments.
Specifications:
UNS N08904
ASTM B625
EN 1.4539
Why 904L?
Excellent resistance to sulfuric, phosphoric, and acetic acids
High resistance to chloride attack (ideal for marine applications)
Superior weldability and formability
Better performance than 316L or 317L in harsh chemical conditions
We offer a wide variety of stainless steel 904L products in different forms and dimensions to meet industry-specific needs:
Available Forms:
904L Pipes & Tubes (Seamless / Welded)
904L Sheets & Plates
904L Coils & Strips
904L Round Bars & Rods
904L Fittings & Flanges (Elbows, Tees, Reducers, Stub Ends, etc.)
Standards:
ASTM B625, B677, B673, B366, B649
DIN, JIS, ASME
Custom cut sizes and finishes available upon request.
We maintain a large ready stock of all standard sizes to ensure immediate dispatch and seamless project execution.
Our Stainless Steel 904L products are used by global customers across a wide range of industries:
From harsh marine climates to acidic process systems, 904L stainless steel is trusted where performance matters most.
Quality is at the core of everything we do. All our materials are supplied with full traceability, including:
Testing:
Positive Material Identification (PMI)
Ultrasonic Testing (UT)
Intergranular Corrosion (IGC)
Hardness & Mechanical Tests
Our products also comply with international norms:
ISO 9001:2015
PED / AD2000
ASTM, ASME, DIN, JIS standards
We source only from trusted mills and maintain partnerships with reputed and government-approved testing laboratories.
We are not just a stockist or trader — we are a dedicated partner for stainless steel supply and export. Here’s why industries worldwide choose us:
We work closely with every customer to understand their technical and commercial needs — ensuring every order meets exact specifications.
We are a globally trusted Stainless Steel 904L Exporter, delivering regularly to:
All shipments are packed as per international export norms, with custom markings, heat numbers, and documentation (e.g. COO, Packing List, Test Certificates).
