Tanvir Nickel Alloys is a leading manufacturer and supplier of Hastelloy needle valves in Cairo, Egypt. Our Hastelloy needle valves are engineered for exceptional durability, corrosion resistance, and high temperature performance, making them ideal for complex industrial applications. Designed to withstand aggressive chemicals and harsh conditions, these valves are perfect for use in the medical, aerospace, marine and oil and gas industries We meet stringent standards through quality control to ensure that each valve meets stringent industry requirements for reliability and longevity. Choose Tanvir Nickel Alloys for quality Hastelloy needle valves that offer unmatched precision control and performance to suit your specific needs.
Tanvir Nickel Alloys is a reputable manufacturer and supplier of high-quality Nickel Alloy 201 bolts, proudly based in Cairo, Egypt. With a strong commitment to quality, durability, and customer satisfaction, the company has built a solid reputation for providing top-notch corrosion-resistant fastening solutions. Their expertise in crafting precision-engineered Nickel Alloy 201 bolts makes them a go-to partner for various industries, including petrochemical, marine, and power generation. By blending modern manufacturing techniques with rigorous quality control standards, Tanvir Nickel Alloys ensures reliable performance even in extreme conditions, meeting both local and international demands with prompt service and competitive pricing.
| VALVE SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| STANDARD | ASME B 16.34, ASTM A494/ASME SA494, ASME B 16.5, ASME B 16.10, BS EN 12266-1/API 598, BS1414/ API 600, ASME B 16.25 |
| CONNECTION | TUBE END, THREADED, SOCKET WELD, BUTT WELD, FLANGED, WELD NIPPLE, SAE |
| THREAD | METRIC, BSPP, NPT, JIC, BSPT, UNF |
| FUNCTION | 2 , 5 , 4 , 3 WAY, |
| MATERIAL OF SEAL RING | PVDF, DELRIN, GRAPHITE, PTFE, PEEK, |
| PRESSURE RATING | 15000 , 3000, 1500 , 10000, 6000 , 20000 PSI |
| TEMPERATURE OF MEDIA | (-120* C – 500*C ) AS LIKE PRESSURE RANGE |
| STANDARD | DIN , ISO , API , ANSI , AWWA , ASME , MSS |
| MEDIA | AIR, CHEMICAL, GAS, WATER, STEAM, HOT WATER , HYDRAULIC OIL, COLD WATER, SEA WATER |
| TYPE OF BODY | BAR STOCK |
| EQUIVALENT BRANDS | OLIVER VALVES, PARKER, SWAGELOK, HAMLET, DK-LOK, HOKE |
| PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| Grade | Mn | C | Co | S | Si | Cr | Ni | Mo | Fe | W |
| Alloy C22 | 0.50 max | 0.010 max | 2.5 max | 0.02 max | 0.08 max | 20 – 22.5 | Bal | 12.5 – 14.5 | 2 – 6 | 2.5 – 3.5 |
| Alloy C276 | 1.0 max | 0.010 max | 2.5 max | 0.03 max | 0.08 max | 14.5 – 16.5 | Bal | 15 – 17 | 4 – 7 | 3 – 4.5 |
| Element | Melting Point | Yield Strength (0.2%Offset) | Density | Tensile Strength | Elongation |
| Alloy C22 | 1399 °C (2550 °F) | Psi – 45000 , MPa – 310 | 8.69 g/cm3 | Psi – 1,00,000 , MPa – 690 | 45 % |
| Alloy C276 | 1370 °C (2500 °F) | Psi – 52,000 , MPa – 355 | 8.89 g/cm3 | Psi – 1,15,000 , MPa – 790 | 40 % |
The Nickel Alloy 201 bolts from Tanvir Nickel Alloys are primarily made of commercially pure nickel (≥99.6%), featuring low carbon content that enhances their resistance to graphitization at high temperatures. The alloy also contains trace amounts of iron, copper, and manganese. These bolts boast impressive mechanical properties, such as high tensile strength (around 403 MPa), yield strength (approximately 103 MPa), and an elongation of about 45%. They demonstrate exceptional ductility and thermal conductivity, along with low magnetic permeability. Thanks to their mechanical stability and corrosion resistance, Nickel Alloy 201 bolts are perfect for use in highly corrosive or high-temperature environments.
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Manufactured by Tanvir Nickel Alloys, Nickel Alloy 201 bolts are widely utilized in industries that demand high corrosion resistance and thermal stability. These bolts are particularly well-suited for chemical processing equipment, food handling systems, marine hardware, and electronics manufacturing. Their ability to endure harsh environments makes them ideal for applications in salt plants, caustic evaporators, and reactors. Moreover, their low carbon content helps prevent embrittlement during high-temperature service, making them a dependable choice for the aerospace, nuclear, and petrochemical sectors. In Cairo and beyond, Tanvir Nickel Alloys continues to deliver excellence in fastening solutions.
