Based in the heart of Hamilton, New Zealand, Mason Tubefittings has built a reputation for supplying high-performance components to demanding industries. Our expertise shines through in our Hastelloy BSP and NPT fittings, which are engineered for resilience. We understand that reliability is non-negotiable in the systems you build, which is why we focus on providing robust, corrosion-resistant solutions that stand up to the toughest chemical and thermal challenges, ensuring integrity and longevity in critical piping applications.
Hastelloy is specifically formulated to withstand some of the most aggressive industrial environments. Its unique composition provides natural resistance to hydrochloric acid and other harsh chemicals, even at elevated temperatures. This alloy maintains excellent mechanical strength and structural stability under stress, preventing cracking or failure. It’s this combination of toughness and chemical inertness that makes it a go-to material for applications where ordinary metals would quickly deteriorate.
| Hastelloy BSP / NPT | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
| Balance | 0.010 max | 15.00 – 17.00 | 1.00 max | 0.08 max | 4.00 – 7.00 | 0.04 max | 0.03 max | 2.5 max | 14.50 – 16.50 |
| Elongation | Density | Yield Strength (0.2%Offset) | Melting Point | Tensile Strength |
| 40 % | 8.89 g/cm3 | Psi – 52,000 , MPa – 355 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN | OR |
| Hastelloy BSP C276 | 2.4819 | N10276 | NW 0276 | ХН65МВУ | NiMo16Cr15W | ЭП760 |
| Hastelloy NPT C22 | 2.4602 | N06022 | NW 6022 | – | NiCr21Mo14W | – |
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The exceptional durability of Hastelloy BSP and NPT fittings makes them indispensable in sectors where failure is not an option. You’ll find them performing reliably in chemical processing plants, pharmaceutical manufacturing, and pulp and paper production, handling corrosive acids, solvents, and salts. They are also critical in pollution control systems and specialized industrial equipment, providing leak-free connections in pipelines, valves, and reactors. Essentially, wherever severe corrosion is a primary concern, these fittings deliver the security and long service life that engineers depend on.
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