NS N10665 Hastelloy B-2 Manufacturer, Supplier & Exporter in India
UNS N10665 (Hastelloy B-2 / Alloy B-2 / DIN 2.4617) Nickel-Molybdenum Alloy Products
UNS N10665 Manufacturer • UNS N10665 Exporter • UNS N10665 Supplier • UNS N10665 Dealer • UNS N10665 Distributor • UNS N10665 Stockist • UNS N10665 Wholesaler
Company Overview – Dipti Metal Industries
Since 2009, Dipti Metal Industries in Mumbai, India, has been a global leader in manufacturing and exporting UNS N10665 (Hastelloy B-2) components. Our ISO-certified production, precision CNC machining, AI-enhanced logistics, and complete EN 10204 3.1 / 3.2 traceability ensure top-tier quality for customers across 65+ countries.
About UNS N10665 (Hastelloy B-2)
UNS N10665, also known as Hastelloy B-2, Alloy B-2, or W.Nr. 2.4617, is a nickel-molybdenum alloy tailored for severe reducing environments. It offers exceptional resistance to hydrochloric and sulfuric acids across broad concentrations and temperatures, making it ideal for chemical and industrial applications.
Chemical Composition (Typical)
| Element | Range |
|---|---|
| Nickel (Ni) | Balance |
| Molybdenum (Mo) | 26.0–30.0% |
| Iron (Fe) | ≤2.0% |
| Chromium (Cr) | ≤1.0% |
| Cobalt (Co) | ≤1.0% |
| Manganese (Mn) | ≤1.0% |
| Silicon (Si) | ≤0.10% |
| Phosphorus (P) | ≤0.040% |
| Sulfur (S) | ≤0.030% |
| Carbon (C) | ≤0.02% |
Mechanical Properties (Typical)
-
Tensile Strength: ≥110 ksi (758 MPa)
-
Yield Strength (0.2 % offset): ≥51 ksi (352 MPa)
-
Elongation: ≥40 %
-
Excellent ductility, making it suitable for welded components in aggressive conditions.
Applicable Standards & Forms
| Product Type | Standards |
|---|---|
| Rod / Bar | ASTM B335 / ASME SB335 (Nickel-Molybdenum alloy rod) |
| Sheet / Plate / Strip | ASTM B333 / ASME SB333 |
| Welded Pipe / Tube | ASTM B619 / ASME SB619 |
| Seamless Pipe / Tube | ASTM B622 / ASME SB622 |
| Fasteners (bolts, nuts) | ASTM B564 |
| Forgings & Flanges | ASTM B574, B575 |
UNS N10665 Product Range
Butt Weld Pipe Fittings (ASTM B366)
-
UNS N10665 Elbows – 45°, 90°, 180° (LR & SR)
-
UNS N10665 Tees – Equal & Reducing
-
UNS N10665 Reducers – Concentric & Eccentric
-
UNS N10665 End Caps, Stub Ends, Crosses
Socket Weld & Threaded Fittings
-
UNS N10665 Couplings – Full & Half
-
UNS N10665 Plugs, Unions, Olets, Swage Nipples, Hex Nipples, Hex Bushings
Flanges
-
UNS N10665 Weld Neck, Slip-On, Blind, Threaded, Socket Weld Flanges
-
UNS N10665 Long Weld Neck, Spectacle Blind, Spade, Spacer Flanges
Fasteners
-
UNS N10665 Stud Bolts, Hex Bolts, Nuts (including Heavy Hex), Flat Washers
Key Benefits
-
Superior resistance to reducing acids: hydrochloric, sulfuric, acetic, phosphoric
-
Excellent resistance to pitting, stress corrosion cracking, and general corrosion
-
Maintains performance in high-temperature and welded conditions
-
Strong mechanical properties and consistency across fabrications
Applications
-
Chemical processing equipment and reactors
-
Acid pickling and heat exchanger systems
-
Marine and offshore acidic environment components
-
Pharmaceutical and industrial acid transfer systems
Global Export Coverage
We serve industries in North America, Europe, Middle East, Asia–Pacific, Africa, and South America, ensuring timely delivery to clients in the USA, Germany, UAE, Japan, South Africa, Brazil, and more.
Quality & Packaging
-
Supplied with EN 10204 3.1 / 3.2 Test Certificates
-
Optional third-party inspections available (TUV, SGS, DNV)
-
Seaworthy wooden crate or pallet packaging with protective caps
-
Custom marking, labeling, and export documentation as per client needs
