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Poang Fasteners is a reliable manufacturer and supplier of Hastelloy Nuts, providing top-notch fastening solutions that excel in extreme environments where regular materials just can’t cut it. Crafted from high-performance Hastelloy alloys, these nuts boast remarkable resistance to corrosion, oxidation, and chemical damage. Renowned for their durability and dependability, Hastelloy nuts guarantee secure fastening in tough applications like chemical processing, marine, aerospace, and high-temperature settings. With precise threading and accurate dimensions, Poang Fasteners delivers Hastelloy nuts that comply with international standards, making them a trustworthy option for industries in Vietnam and around the world.
Hastelloy Nuts mainly consist of nickel, molybdenum, chromium, and small amounts of iron, cobalt, and tungsten, depending on the specific grade like C22 or C276. This distinctive composition provides exceptional resistance to both oxidizing and reducing agents, along with superior protection against pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, Hastelloy nuts offer impressive tensile strength, toughness, and stability even in extreme thermal and chemical conditions. Their robust alloy structure ensures they perform reliably over time, making them ideal for fastening in highly corrosive and high-stress situations where traditional stainless steel nuts simply can’t hold up.
| Specifications | ASTM B574 / ASME SB574 |
|---|---|
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of High Nickel Alloy Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated High Nickel Alloy Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | High Nickel Alloy : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), High Nickel Alloy, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
| Grade | C | Mn | Si | Co | S | Ni | Cr | Fe | Mo | W | V | P |
| Hastelloy Fasteners | 0.010 max | 1.0 max | 0.08 max | 2.5 max | 0.03 max | Bal | 14.5 – 16.5 | 4 – 7 | 15 – 17 | 3 – 4.5 | 0.35 max | 0.04 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Fasteners | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Hastelloy nuts are used in numerous high performance industries. In chemical processing, they are able to manage exposure to aggressive chemicals and acids well. In aerospace, they offer safe means of fastening where high temperature and high pressure are likely to be experienced. In oil and gas industries, they protect against corrosives and hostile conditions. Also, Hastelloy nuts are applied in power generation and marine industries due to their ability to withstand high pressures and other harsh conditions.
Hastelloy Nuts find their place in various industries that require secure fastening under challenging operating conditions. In chemical and petrochemical plants, they’re used in reactors, scrubbers, evaporators, and heat exchangers that come into contact with aggressive acids and solvents. In marine and offshore settings, they provide dependable fastening against the corrosive effects of seawater and brine. They’re also utilized in aerospace, pollution control, power generation, and pulp and paper industries. Their ability to maintain strength and resist corrosion under extreme temperatures and pressures makes Hastelloy nuts a go-to choice for critical fastening needs.
Poang Fasteners is a leading manufacturer and supplier of high-quality fasteners in Da Nang, Vietnam, with over 8 years of experience serving global industries.
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