Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality Hastelloy B2 Buttweld Fittings, which is available in different sizes and shapes. Meanwhile, Hastelloy B2 Elbow Butt Weld Pipe Fittings (UNS N10665) has great resistance to stress – corrosion cracking and pitting. These Hastelloy B2 Tee Butt Weld Pipe Fittings has significantly lower carbon, silicon and iron compared to its’ predecessor, Alloy B (UNS N10001), making the alloy less susceptible to decreased corrosion resistance in the weld zone, in the as – welded condition. Our Hastelloy B2 Pipe Reducer has excellent resistance to all temperatures and concentrations of hydrochloric acid.

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Hastelloy B2 Buttweld Fittings

Hastelloy B2 Buttweld Fittings

These Hastelloy B2 Cross Butt Weld Pipe Fittings has resistant to stress corrosion cracking and pitting. Our Hastelloy B2 Bend is used for most chemical process applications in the welded condition. Meanwhile, these Hastelloy B2 Stub End Butt Weld Pipe Fittings are also being offered in customized sizes and shapes to our customers. Our Hastelloy B2 Dish Cap Butt Weld Pipe Fittings provides supreme resistance to stress corrosion cracking to the boiling magnesium chloride test.

These Hastelloy B2 End Cap Butt Weld Pipe Fittings is a completely austenitic corrosion resistant alloy that offers excellent resistance to aqueous and high temperature corrosion. Chromium content in our Hastelloy B2 Concentric Reducer Pipe Fittings prevents attack in the oxidizing conditions and molybdenum and tungsten resist wet reducing attack.

Hastelloy B2 Pipe Fittings Specifications
Specifications : ASTM B366 / ASME SB366
Size : Seamless Butt Weld Fittings: 1/2″ – 10″, Welded Butt Weld Fittings: 1/2″ – 48″
: ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Thickness : 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75
Type : Seamless / Welded / Fabricated
Hastelloy B2 Pipe Fittings Chemical Composition
Hastelloy B2 Ni C Mo Mn Si Fe P S Co Cr
Balance 0.02 max 26.0-30.0 1.0 max 0.10 max 2.0 max 0.040 max 0.030 max 1.0 max 1.0 max
Hastelloy B2 Buttweld Fittings Mechanical Properties
Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
9.2 g/cm3 1370 °C (2500 °F) Psi – 51,000, MPa – 350 Psi -1,10,000, MPa -760 40 %
Equivalent Grades for B2 Hastelloy Pipe Fitting
Hastelloy B2 N10665 2.4617
Hastelloy Alloy B2 Buttweld Pipe Fittings Application Industries
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
Hastelloy B2 Buttweld Fitting Test Certificates

We at Ninthore Overseas provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc

Material Testing

We at Ninthore Overseas ensure that all our materials go through strict quality tests before dispatching them to our clients.

• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test


• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)