Hastelloy B3 Tube to Union Fittings Manufacturer

Sachiya Steel International is one of the leading manufacturer and exporter of Hastelloy B3 Tube to Union Fittings, which are made to perfection using high quality steel by our sedulous professionals who possess rich knowledge in this domain. Hastelloy B3 Compression Fittings (UNS N10675) is a nickel – molybdenum alloy with excellent resistance to pitting, corrosion, and stress-corrosion cracking plus, thermal stability superior to that of alloy B-2. Hastelloy B3 Tube Fittings has been primarily used for their resistance to corrosion in non – oxidizing environments such as HCl. Hastelloy B3 Ferrule Fittings also withstands sulfuric, acetic, formic and phosphoric acids, and other non-oxidizing media.

Hastelloy B3 Double Ferrule Fittings can function under very high temperatures and severe mechanical stress, and also where high surface stability is required. Meanwhile, these Hastelloy B3 Union Fittings are also being offered in customized sizes and shapes to our customers. Early testing of Alloy B3 Compression Tube Fittings was focused on material in the annealed and age – hardened condition where the material was annealed at 1975 Degree F (1079 Degree C) and age – hardened at 1300 Degree F (704 Degree C) and Furnace cool (FC) to 1125 Degree F (607 Degree C).

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For this reason, a considerable development effort has been generated on Alloy B3 Union Tube Fittings in three other “very high strength” conditions. In this “standard condition”, Alloy B3 Compression Fittings will typically have strengths around 100 ksi (690 MPa).

Hastelloy B3 Tube to Union Specifications

Standards : ASTM B366 / ASME SB366
Size Range : 1/16″OD to 2″OD, 2mm OD to 50mm OD
Thread : NPT, BSP, BSPT, UNF, ISO, SAE etc.
: Threaded, Welding, JIC
Pressure Rating : 1000 Psi, 3000 Psi, 6000 Psi, 10000 Psi
Type : Single Ferrule tube fitting, Double Ferrule tube fitting, Hydraulic tube fitting, Instrumentation tube fitting

Hastelloy Alloy B3 Tube To Union Chemical Composition

Grade Ni Mo Cr Fe W Mn C Al Ti Si
Hastelloy B3 65.0 min 28.5 1.5 1.5 3.0 max 3.0 max 0.01 max 0.50 max 0.2 max 10 max


                                Hastelloy B3 Tube To Union Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
9.2 g/cm3 1370 °C (2550 °F) Psi – 1,15,000 , MPa –760 Psi – 52,000 , MPa – 350 40%

Equivalent Grades for B3 Hastelloy Ferrule Fitting Tube To Union

Hastelloy B3 2.4600 N010675

Hastelloy Alloy B3 Tube To Union 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 B3 Tube To Union Test Certificates

We at Sachiya Steel International 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 Sachiya Steel International 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)


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