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Hastelloy C276 Seamless Pipe Nickel Alloy Corrosion Resistant High Temperature Tube ASME B622

  • Hastelloy C276 Seamless Pipe Nickel Alloy Corrosion Resistant High Temperature Tube ASME B622
  • Hastelloy C276 Seamless Pipe Nickel Alloy Corrosion Resistant High Temperature Tube ASME B622
  • Hastelloy C276 Seamless Pipe Nickel Alloy Corrosion Resistant High Temperature Tube ASME B622
  • Hastelloy C276 Seamless Pipe Nickel Alloy Corrosion Resistant High Temperature Tube ASME B622
  • Hastelloy C276 Seamless Pipe Nickel Alloy Corrosion Resistant High Temperature Tube ASME B622
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Product Description

Hastelloy C276 Seamless Pipe Nickel Alloy Corrosion Resistant High Temperature Tube ASME B622

 

1. Product Description 

 

Hastelloy is a family of nickel-based superalloys developed by Haynes International, engineered for extreme corrosion resistance in both oxidizing and reducing environments. Hastelloy pipes are nickel-alloy piping products manufactured from these advanced materials. The most common grades include C-276 (the industry workhorse), C-22 (improved resistance to oxidizing media), and B-3 (specialist for reducing acids).

Hastelloy pipes are specified when stainless steel, duplex, and even Inconel grades cannot withstand the corrosive media. With nickel as the primary matrix element, supplemented by molybdenum, chromium, tungsten, and other alloying elements, Hastelloy pipes provide exceptional corrosion resistance that far exceeds that of conventional stainless steels.

2. Product Applications 

Hastelloy pipes are widely used in the following industrial applications:

  • Chemical and Petrochemical Processing: Reactors, process piping, heat exchangers, evaporators, and columns handling sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and other aggressive media

  • Flue-Gas Desulfurization (FGD) Systems: Scrubbers, ducting, and stack liners in power plants

  • Pharmaceutical Manufacturing: Equipment and piping systems for  production

  • Pulp and Paper: Digesters and bleach plant piping and equipment

  • Pollution Control and Waste Treatment: Incineration off-gas scrubbing systems

  • Oil and Gas: Sour gas service pipelines, marine chemical handling

  • Aerospace: Gas turbine engine components

3. Product Advantages 

  1. Superior Universal Corrosion Resistance: Excellent performance in both oxidizing and reducing environments, resistant to sulfuric acid, hydrochloric acid, phosphoric acid, wet chlorine gas, chloride solutions, and many other aggressive media.

  2. Excellent Localized Corrosion Resistance: Strong resistance to pitting, crevice corrosion, and stress-corrosion cracking (SCC).

  3. Maintained Corrosion Resistance After Welding: Low carbon and silicon content minimizes harmful precipitate formation in the weld heat-affected zone, allowing the alloy to maintain corrosion resistance in the as-welded condition for most chemical process applications.

  4. Good Fabricability: Excellent forming and welding characteristics; available in both seamless and welded pipe forms.

  5. Long-Term Reliability and Service Life: Provides lasting corrosion resistance and dimensional stability under harsh conditions, significantly reducing equipment maintenance and replacement costs.

Hastelloy C276 Seamless Pipe Nickel Alloy Corrosion Resistant High Temperature Tube ASME B622

4.Key Technical Parameters

Parameter Hastelloy C-276 Hastelloy C-22 Hastelloy B-3
Grade C-276 C-22 B-3
UNS Number N10276 N06022 N10675
Seamless Standard ASTM B622 ASTM B622 ASTM B622
Welded Standard ASTM B619 ASTM B619 ASTM B619
Density (g/cm³) 8.89 8.69 9.22
Melting Point Range (°C) 1325 – 1370 1350 – 1400 1370 – 1418
Yield Strength (MPa, min) 283 310 283
Tensile Strength (MPa, min) 690 690 690
Elongation (%, min) 40 45 40
Major Chemical Composition (typical) Ni balance, Mo 15.0-17.0%, Cr 14.5-16.5%, Fe 4.0-7.0%, W 3.0-4.5% Ni balance, Cr 20.0-22.5%, Mo 12.5-14.5%, W 2.5-3.5%, Fe 2.0-6.0% Ni balance, Mo 28.0-30.0%, Fe 1.0-3.0%, Cr 1.0-3.0%
Outside Diameter Range 6 mm – 1200 mm (general) 6 mm – 1200 mm (general) 6 mm – 1200 mm (general)
Wall Thickness Range 0.5 mm – 50 mm (general) 0.5 mm – 50 mm (general) 0.5 mm – 50 mm (general)
Single Length up to 18 m (general) up to 18 m (general) up to 18 m (general)
Nominal Size Range 1/2″ NB – 24″ NB (general) 1/2″ NB – 24″ NB (general) 1/2″ NB – 24″ NB (general)
Schedule Range Sch 5S – Sch XXS (general) Sch 5S – Sch XXS (general) Sch 5S – Sch XXS (general)

FAQ

1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.

2.How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.

4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.

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