We Horizon Metal and Alloys are a leading Hastelloy B-2 & Hastelloy B-3 Nut Bolt Manufacturer in India, offering a complete range of high-performance fasteners designed for highly corrosive and reducing chemical environments. Our product portfolio includes hex bolts, stud bolts, heavy hex nuts, threaded rods, washers, U bolts, socket head cap screws, and customized fastening solutions manufactured according to international quality standards.
Hastelloy B-2 and Hastelloy B-3 are nickel-molybdenum alloys developed specifically for exceptional resistance to hydrochloric acid and other reducing chemicals. These alloys provide outstanding resistance to pitting, stress corrosion cracking, and crevice corrosion, making them ideal for severe chemical processing applications.
| Specification | Hastelloy B-2 | Hastelloy B-3 |
|---|---|---|
| UNS Number | N10665 | N10675 |
| ASTM Standard | ASTM B574 | ASTM B574 |
| ASME Standard | ASME SB574 | ASME SB574 |
| Product Forms | Nuts, Bolts, Stud Bolts, Washers, Threaded Rods | Nuts, Bolts, Stud Bolts, Washers, Threaded Rods |
| Size Range | M3 to M100 | M3 to M100 |
| Standards | DIN, ISO, ASTM, ASME | DIN, ISO, ASTM, ASME |
| Thread Type | Metric, UNC, UNF, BSW | Metric, UNC, UNF, BSW |
| Surface Finish | Plain, PTFE Coated, Polished | Plain, PTFE Coated, Polished |
| Element | Hastelloy B-2 (%) | Hastelloy B-3 (%) |
|---|---|---|
| Nickel (Ni) | Balance | Balance |
| Molybdenum (Mo) | 26.0 – 30.0 | 28.0 – 32.0 |
| Iron (Fe) | 2.0 Max | 3.0 Max |
| Chromium (Cr) | 1.0 Max | 3.0 Max |
| Carbon (C) | 0.02 Max | 0.01 Max |
| Manganese (Mn) | 1.0 Max | 3.0 Max |
| Silicon (Si) | 0.10 Max | 0.10 Max |
| Property | Hastelloy B-2 | Hastelloy B-3 |
|---|---|---|
| Tensile Strength | 760 MPa Min | 790 MPa Min |
| Yield Strength | 350 MPa Min | 370 MPa Min |
| Elongation | 40% Min | 40% Min |
| Density | 9.22 g/cm³ | 9.24 g/cm³ |
| Melting Range | 1330°C – 1380°C | 1360°C – 1410°C |
| Grade | Equivalent |
|---|---|
| Hastelloy B-2 | UNS N10665 |
| Hastelloy B-3 | UNS N10675 |
| ASTM Standard | ASTM B574 |
| ASME Standard | ASME SB574 |
Our Hastelloy B-2 and Hastelloy B-3 fasteners are extensively used in:
We are a trusted Hastelloy B-2 & Hastelloy B-3 Fasteners Exporter from India, supplying products to customers in the USA, Canada, United Kingdom, Germany, France, Italy, Spain, UAE, Saudi Arabia, Qatar, Oman, Kuwait, Singapore, Malaysia, Indonesia, Thailand, Japan, South Korea, China, Australia, South Africa, Brazil, Argentina, and other international markets.
»Hastelloy B-3 offers improved thermal stability and better fabrication characteristics compared to Hastelloy B-2 while maintaining excellent resistance to reducing chemicals.
»The UNS number for Hastelloy B-2 is UNS N10665, while Hastelloy B-3 is designated as UNS N10675.
»Both grades are commonly manufactured according to ASTM B574 specifications.
»Yes, we export Hastelloy B-2 and Hastelloy B-3 nuts, bolts, stud bolts, threaded rods, and washers to customers worldwide.
As a trusted Hastelloy B-2 nut bolt manufacturer in Mumbai, India, and Hastelloy B-3 Nut Bolt Manufacturer in Mumbai, India, we supply high-quality fasteners across major industrial cities, including Chennai, Ahmedabad, Pune, Delhi, Hyderabad, Bengaluru, and Kolkata. Our products are widely used in chemical processing plants, petrochemical industries, fertilizer plants, and pollution control systems.
Our export network extends throughout North America, where we are recognized as a reliable Hastelloy B-2 nut bolt manufacturer in Houston, USA; a Hastelloy B-3 nut bolt manufacturer in Houston, USA; a Hastelloy B-2 & B-3 fasteners supplier in New York, USA; a Hastelloy B-2 bolt manufacturer in Los Angeles, USA; and a Hastelloy B-3 stud bolt supplier in Chicago, USA. We also supply products to customers in Toronto, Vancouver, Calgary, and Mexico City.
We export premium-quality Hastelloy B-2 and Hastelloy B-3 fasteners to major European markets, including London, Birmingham, Manchester, Berlin, Hamburg, Frankfurt, Paris, Lyon, Milan, Rome, Madrid, Barcelona, Rotterdam, and Amsterdam. Our products are trusted by customers operating in chemical processing, marine engineering, offshore projects, and energy industries across Europe.
As a leading exporter from India, we supply Hastelloy B-2 and Hastelloy B-3 nuts and bolts throughout the Middle East, including Dubai, Abu Dhabi, Riyadh, Jeddah, Doha, Muscat, and Kuwait City. Our fasteners are extensively used in refineries, petrochemical plants, desalination facilities, and offshore oil and gas projects.
Our export operations cover major Asian industrial hubs including Singapore, Kuala Lumpur, Bangkok, Jakarta, Ho Chi Minh City, Seoul, Tokyo, Osaka, Shanghai, and Beijing. We are a trusted supplier of Hastelloy B-2 and Hastelloy B-3 industrial fasteners for critical industrial applications throughout the Asia-Pacific region.
We export premium quality fasteners to customers in Sydney, Melbourne, Perth, Johannesburg, Cape Town, São Paulo, Buenos Aires, and other international industrial locations worldwide. Our global logistics network ensures competitive pricing and timely delivery to customers across multiple industries.
Our product portfolio includes Hastelloy B-2 hex bolts, Hastelloy B-3 heavy hex nuts, Hastelloy B-2 stud bolts, Hastelloy B-3 threaded rods, Hastelloy B-2 washers, Hastelloy B-3 socket head cap screws, and Hastelloy B-2 U bolts manufactured according to international standards for critical industrial applications. We are a globally recognized manufacturer and exporter of UNS N10665 Hastelloy B-2 nuts and bolts and UNS N10675 Hastelloy B-3 nuts and bolts manufactured in accordance with ASTM B574 specifications. As a leading Hastelloy B-2 & B-3 industrial fasteners manufacturer, fasteners exporter from India, and nut bolt stockist and exporter worldwide, we supply high-performance fastening solutions to customers across the global market.
We specialize in manufacturing high-quality fasteners that cater to diverse industries, including oil & gas, petrochemical, marine, power generation, aerospace, and construction.
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