Overview and advantages of Hastelloy C276 pipe fittings
Overview and advantages of Hastelloy C276 pipe fittings
Hastelloy C276 pipe fittings are nickel-chromium-molybdenum alloy components that offer exceptional corrosion resistance even in harsh chemical environments. They also possess high strength, high-temperature resistance, and good weldability, making them ideal for demanding industries such as chemical processing, oil and gas, and pulp and paper. Their key advantages include resistance to pitting corrosion, stress corrosion cracking, and oxidation/reduction agent corrosion, while their low carbon content ensures welding integrity, guaranteeing durability, long service life, and low maintenance costs in critical applications.
What are the specifications of Hastelloy C276 pipes?
This alloy composition gives it a high melting point of up to 1370 degrees Celsius. Hastelloy C276 seamless pipes have a minimum yield strength of 355 MPa and a minimum tensile strength of 790 MPa. The material also has a high density of 8.89 grams per cubic centimeter.
What are Hastelloy C276 pipe fittings?
Hastelloy C276 pipe fittings are widely used in numerous industries, including petrochemical processing plants and power plants, due to their exceptional corrosion resistance. Hastelloy C276 pipe fittings are also used in applications such as refineries, where they must withstand oxidation at high temperatures and pressures, as well as corrosion from acidic solutions such as sulfuric acid and hydrochloric acid. In addition, we also offer Hastelloy C22 pipe fittings, Hastelloy B3 pipe fittings, and various other grades of pipe fittings.
Hastelloy Alloy C-276 Pipe Fittings Specification
Specifications ASTM B366 / ASME SB366
Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, MSS SP-79
Size 1/8" NB TO 48" NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type Seamless / Welded / Fabricated
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Grade Hastelloy C276 Pipe Fittings UNS (N10276), DIN (2.4819)
Hastelloy C276 Butt weld Fittings Equivalent Indian Standard
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | OR | GOST |
| Hastelloy C276 | N10276 | 2.4819 | - | NiMo16Cr15W | NW 0276 | ЭП760 | ХН65МВУ |
ASTM B366 Hastelloy Alloy C-276 Pipe Fittings Chemical Composition
| Grade | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr | W | V |
| Hastelloy C276 | Balance | 0.01 max | 15–17 | 1.0 max | 0.08 max | 4–7 | 0.04 max | 0.03 max | 2.5 max | 14.5–16.5 | 3–4.5 | 0.35 max |
C276 Hastelloy ASME SB366 Butt weld Fittings Mechanical Properties
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy C276 | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
Hastelloy C276 Pipe Fittings Types
We offer various types of Hastelloy C276 pipe fittings, including Hastelloy C276 butt-weld fittings, Hastelloy C276 socket-weld fittings, Hastelloy C276 threaded fittings, and Hastelloy C276 forged fittings. These fittings come in many types, such as elbows, tees, couplings, unions, crosses, caps, nipples, and plugs.
Characteristics of Hastelloy C276 Pipe Fittings
Hastelloy C276 pipe fittings are a highly favored alloy, exhibiting exceptional corrosion resistance to wet chlorine gas, hypochlorite, and chlorine dioxide solutions. This makes it an ideal choice for applications exposed to these substances. Furthermore, it demonstrates excellent corrosion resistance to strong solutions of oxidizing salts such as ferric chloride and cupric chloride, enhancing its suitability in various industrial environments.
Another significant characteristic of this alloy is its extremely low tendency for grain boundary precipitation in the welded state. This property makes it an excellent choice for chemical process applications requiring welded pipe fittings.
In summary, Hastelloy C276, with its superior corrosion resistance, high strength, and resistance to grain boundary precipitation, is a preferred material for numerous industrial applications.
Uses and Advantages of Hastelloy C276 Pipe Fittings
Hastelloy C276 pipe fittings are widely used in various industries, including but not limited to pulp and paper, petrochemicals, flue gas desulfurization, and sour natural gas recovery. This alloy is commonly used in evaporators, environments involving sulfuric acid, and mechanical equipment utilizing halide or acid catalysts. Due to the small amount of tungsten and low carbon content in the alloy, its corrosion resistance is enhanced, making it less susceptible to carbide precipitation during welding and less prone to stress corrosion cracking under reducing conditions.
Applications of Hastelloy C276 Pipe Fittings
Our Hastelloy C276 pipe fittings are widely used in various industries requiring extremely high corrosion resistance. Here are some application areas of Hastelloy C276 pipe fittings:
Textile machinery
Oil and gas industry
Paper industry
Power plants
Energy industry
Furniture manufacturing
Pharmaceutical industry
Modern architecture
Household appliances
Wastewater treatment
Synthetic fibers
Heat exchangers
Fluid piping systems
Dairy and food processing, etc.
Why Choose Gnee as Your Nickel-Based Alloy Supplier
✅ Over 18 years of export experience, products sold to more than 80 countries
✅ Certified by ISO, SGS, and BV
✅ Global inventory of Inconel, Hastelloy, Incoloy, and Monel alloy tubing, plates, and bars
✅ Custom processing services available – including cutting, polishing, CNC machining, and packaging
✅ Fast delivery within 7-15 days, supported by global logistics partners
📦 Packaging and Shipping
All stainless steel products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express
About Gnee Steel
Gnee Steel is a professional manufacturer of nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy 800, Incoloy 800H/HT, Incoloy 825, Monel 400, Monel K500, and other high-temperature alloy materials. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power generation, automotive, nuclear energy, and other fields, and we can provide customized alloy material solutions according to customer needs. For inquiries about alloy material prices or customized alloy material solutions, please feel free to contact us via email at ss@gneemetal.com for a quote.
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