Alloy Designation :
Alloy 20 (UNS N08020)
Alloy Designation :
Alloy 20 (UNS N08020)
Material Standard :
ASTM B366
Composition Type :
Nickel-Iron-Chromium Alloy
Dimensional Specification :
ASME B16.9
In the chemical processing and petrochemical industries, standard stainless steels often fall short when facing the most aggressive chemicals. This is where Alloy 20 Buttweld Fittings, known by its scientific designation UNS N08020, become an indispensable part of a reliable piping system. Engineered for exceptional performance, this niobium-stabilized austenitic nickel-iron-chromium alloy is designed to withstand environments that would quickly compromise other materials.
Unrivalled Corrosion Resistance
The primary reason engineers and project managers specify Alloy 20 buttweld fittings is their proven ability to resist a wide spectrum of corrosive threats.
Critical Applications Across Industries
The robust characteristics of Alloy 20 buttweld fittings make them the preferred choice for the most demanding sectors.
Ensuring Quality for Your Project
For major projects, particularly those in industrial hubs like Abu Dhabi and Dubai, securing a trusted Alloy 20 Buttweld Fittings Supplier UAE or a reliable Alloy 20 Buttweld Fittings Exporter Dubai is a critical step in project planning. A dependable partner provides more than just components; they offer the assurance of quality, traceability, and adherence to rigorous standards like ASTM B366 and ASME SB366. This ensures that the fittings, whether sourced as Alloy 20 Pipe Fittings in Abu Dhabi or elsewhere, will perform as expected, safeguarding your facility's operational integrity and long-term reliability.
| STANDARD | UNS | WNR. | EN | AFNOR |
|---|---|---|---|---|
| Alloy 20 | N08020 | 2.4660 | NiCr20CuMo | Z2NCUD31-20AZ |
Alloy 20 Elbow
Designed to provide smooth directional flow, the Alloy 20 Elbow delivers outstanding resistance to sulfuric acid, chlorides, and aggressive chemical media in critical process piping systems.
Alloy 20 Tee
Engineered for dependable branch connections, the Alloy 20 Tee combines exceptional corrosion resistance with high mechanical strength for chemical processing, pharmaceutical, and petrochemical facilities.
Alloy 20 Eccentric Reducer
Facilitating efficient pipe size transitions, the Alloy 20 Eccentric Reducer minimizes flow disturbance while offering reliable protection against acidic and chloride-rich process environments.
Alloy 20 Concentric Reducer
Providing balanced fluid flow between different pipe diameters, the Alloy 20 Concentric Reducer ensures long-term durability and superior corrosion resistance in demanding industrial applications.
Alloy 20 Long Stub End
Manufactured for secure lap joint flange assemblies, the Alloy 20 Long Stub End provides reliable pipeline connections with excellent resistance to sulfuric acid and stress corrosion cracking.
Alloy 20 Short Stub End
Designed for compact flange installations, the Alloy 20 Short Stub End offers excellent weldability, dimensional accuracy, and dependable performance in highly corrosive processing systems.
Alloy 20 Cap
Providing leak-tight end closures, the Alloy 20 Cap protects industrial pipelines against corrosive chemicals while maintaining outstanding mechanical integrity under demanding operating conditions.
Alloy 20 Cross
Creating reliable four-way pipeline intersections, the Alloy 20 Cross delivers exceptional structural stability and corrosion resistance for fertilizer plants, chemical processing units, and acid handling systems.
Alloy 20 Pipe Bend
Optimized for controlled flow redirection, the Alloy 20 Pipe Bend combines superior resistance to acidic environments with excellent pressure-bearing capability for long-term industrial service.
Alloy Designation :
Alloy 20 (UNS N08020)
Material Standard :
ASTM B366
Composition Type :
Nickel-Iron-Chromium Alloy
Dimensional Specification :
ASME B16.9
Acid Resistance :
Sulfuric & Phosphoric Acid Service
Stabilizing Element :
Niobium Enhanced
Corrosion Feature :
Chloride Stress Crack Resistance
Manufacturing Technique :
Solution Annealed
Inspection Procedure :
PMI, RT & Hydro Test
Quality Certification :
EN 10204 3.1
Engineering Benefit :
Excellent Fabricability
Industrial Deployment :
Fertilizer, Pharmaceutical & Chemical Processing
Chemical Composition of Alloy 20 Seamless and Welded Pipe Fittings
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
|---|---|---|---|---|---|---|---|---|---|---|
| Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.00 – 4.00 | 32.00 – 38.00 | 19.00 – 21.00 | 29.85 min* | 2.00 – 3.00 | 0.045 max |
Mechanical Properties Of ASME SB366 Alloy 20 Buttweld Pipe Fittings
| Element | Alloy 20 |
|---|---|
| Density | 8.1 g/cm3 |
| Melting Point | 1443 °C (2430 °F) |
| Tensile Strength | Psi -80,000, MPa -551 |
| Yield Strength (0.2%Offset) | Psi - 35,000, MPa - 241 |
| Elongation | 30 % |
Our Alloy 20 Buttweld Fitting Supplier are used in a wide range of applications and various industries. Below are a few of them:
Application Industries
Aerospace Industry
Food Processing Industry
Pulp & Paper Indusry
Energy Industry
Pharmaceuticals Industry
Power Plant Industry
Chemical Industry
Oil and Gas Industry
Get clear answers to common queries about our steel products, services, and delivery processes.
Alloy 20 contains nickel, chromium, molybdenum, copper, and niobium, providing outstanding resistance to sulfuric acid, phosphoric acid, chlorides, pitting, and stress corrosion cracking. These properties make it highly suitable for aggressive chemical processing environments.
These fittings are extensively installed in chemical processing plants, fertilizer manufacturing facilities, pharmaceutical industries, petrochemical refineries, food processing units, and pulp & paper mills handling corrosive chemicals.
Compared with conventional stainless steel grades such as SS 304 and SS 316, Alloy 20 provides significantly enhanced resistance to sulfuric acid, chloride-induced pitting, and stress corrosion cracking. Its superior metallurgical composition ensures greater reliability, extended service life, and improved performance in highly aggressive chemical processing environments.
They are commonly manufactured in accordance with ASTM B366, ASME SB366, ASME B16.9, ASME B16.28, and MSS SP-43 standards, ensuring international compliance for industrial piping applications.
To ensure full compliance with internationally recognised engineering and quality standards, each fitting undergoes a comprehensive inspection programme comprising Positive Material Identification (PMI), Hydrostatic Pressure Testing, Ultrasonic Testing (UT), Radiographic Testing (RT), Dimensional Verification, and detailed Chemical and Mechanical Property Evaluation prior to final approval.
Our Location
Flat no 5, Swapna HSG Soc
Ltd., Charkop, Kandivali West,
Mumbai, Maharashtra, India.
400067
