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by Tubotech Alloys Inc
Tubotech Alloys is a trusted manufacturer, supplier, and exporter of high-quality Stainless Steel 904L Fasteners in the United Kingdom. We provide a comprehensive range of SS 904L fasteners engineered to deliver exceptional corrosion resistance, high strength, and long-term durability in aggressive industrial environments. Our fasteners are widely used across chemical processing, marine, offshore, oil & gas, pharmaceutical, and power generation industries throughout the UK.
Stainless Steel 904L is a high-alloy austenitic stainless steel containing high levels of nickel, chromium, molybdenum, and copper. This unique composition provides superior resistance to pitting, crevice corrosion, and stress corrosion cracking, making SS 904L fasteners an ideal choice for highly corrosive applications.






Tubotech Alloys offers a wide range of Stainless Steel 904L Fasteners to meet diverse industrial requirements:
Our fasteners are manufactured according to international standards including ASTM, DIN, ISO, BS, and ASME specifications.
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 19.0 – 23.0 |
| Nickel (Ni) | 23.0 – 28.0 |
| Molybdenum (Mo) | 4.0 – 5.0 |
| Copper (Cu) | 1.0 – 2.0 |
| Manganese (Mn) | 2.0 Max |
| Silicon (Si) | 1.0 Max |
| Carbon (C) | 0.02 Max |
| Phosphorus (P) | 0.045 Max |
| Sulfur (S) | 0.035 Max |
| Iron (Fe) | Balance |
The high nickel and molybdenum content significantly enhance corrosion resistance, especially in chloride-containing environments.
| Property | Value |
|---|---|
| Tensile Strength | 490 MPa Min |
| Yield Strength | 220 MPa Min |
| Elongation | 35% Min |
| Hardness | 70 HRB Max |
| Density | 8.0 g/cm³ |
| Melting Range | 1300 – 1390°C |
| Specification | Details |
|---|---|
| Material Grade | Stainless Steel 904L |
| UNS Number | N08904 |
| WNR Number | 1.4539 |
| Standards | ASTM A193, ASTM A194, ASTM F593, ASTM F594 |
| Dimensions | ASTM, DIN, ISO, BS, ASME |
| Size Range | M3 to M100, 3/16″ to 4″ |
| Length | Up to 5 Meters and Custom Lengths |
| Thread Type | Metric, UNC, UNF, BSW, BSF |
| Form | Bolts, Nuts, Screws, Stud Bolts, Washers, Threaded Rods, U-Bolts |
| Finish | Plain, Pickled, Passivated, Polished, PTFE Coated |
| Manufacturing Process | Hot Forged, Cold Forged, CNC Machined |
| Certification | EN 10204 3.1, Mill Test Certificate (MTC) |
| Packaging | Wooden Boxes, Cartons, Pallets, Export Standard Packaging |
| Origin | Manufactured & Supplied by Tubotech Alloys |
These properties provide excellent strength, toughness, and long-term reliability under demanding operating conditions.
Due to their exceptional corrosion resistance and durability, Stainless Steel 904L Fasteners are extensively used in various industries across the United Kingdom:
Used in reactors, storage tanks, pipelines, and chemical handling equipment exposed to aggressive acids and chemicals.
Suitable for offshore platforms, subsea equipment, refineries, and processing plants operating in corrosive marine environments.
Ideal for shipbuilding, seawater desalination plants, marine structures, and coastal installations.
Used in pharmaceutical manufacturing equipment where corrosion resistance and cleanliness are essential.
Applied in power plants, flue gas desulfurization systems, and heat exchangers.
Widely utilized in bleaching systems and equipment exposed to corrosive process chemicals.
Preferred for piping systems, storage vessels, and processing equipment handling corrosive substances.
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
Tubotech Alloys has established itself as a reliable supplier of premium-quality Stainless Steel 904L Fasteners in the United Kingdom by consistently delivering products that meet international quality standards.
We offer a complete selection of SS 904L fasteners in various sizes, dimensions, and specifications.
Every fastener undergoes strict quality inspections and testing procedures to ensure optimum performance.
We provide cost-effective solutions without compromising product quality.
Our fasteners are manufactured according to ASTM, DIN, ISO, ASME, and BS standards.
With a robust logistics network, we ensure prompt deliveries throughout the UK and international markets.
Our experienced team provides technical support and customized fastening solutions for specific industrial applications.
Tubotech Alloys is committed to supplying premium-quality Stainless Steel 904L Fasteners to customers across London, Manchester, Birmingham, Glasgow, Liverpool, Sheffield, Bristol, Leeds, and other regions of the United Kingdom. Our focus on quality, reliability, and customer satisfaction makes us a preferred choice for industrial fastening solutions.
Stainless Steel 904L Fasteners are high-alloy austenitic stainless steel fastening components designed for highly corrosive environments requiring superior resistance to pitting, crevice corrosion, and stress corrosion cracking.
The primary advantages include excellent corrosion resistance, superior performance in acidic environments, high strength, durability, and long service life.
They are widely used in chemical processing, oil & gas, marine, pharmaceutical, power generation, and petrochemical industries.
Yes. SS 904L Fasteners offer excellent resistance to seawater and chloride-rich environments, making them ideal for marine applications.
Tubotech Alloys offers premium quality products, international standard compliance, competitive pricing, customized solutions, and reliable delivery services across the United Kingdom.
Upgrade your assembly with Tubotech for excellence and built to closing. Contact us nowadays to get a quote or examine more about our product range.
Tubotech delivers precision-engineered tubing, fittings, and fasteners with innovative solutions and customizable options. Trusted for quality and durability, we serve industries requiring reliable, high-performance piping and instrumentation products.
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