Hastelloy Hollow Bars

Sahil Metals is a renowned Riyadh, Saudi Arabia-based manufacturer and supplier with a track record of delivering cutting-edge metal solutions for all-important industrial requirements. A top specialty offered by one of its products is Hastelloy hollow bars, engineered to be strong, corrosion-resistant, and easily machined. These empty bars are commonly applied in chemical processing, pharmaceuticals, marine engineering, and power generation industries. Sahil Metals makes sure that all Hastelloy products are as per global standards of quality, providing strength, performance, and accuracy. With prompt service and guaranteed delivery, the company assists clients with high-quality materials for the most challenging environments.

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Hastelloy Alloy Hollow Bars

Hastelloy Square Hollow Bars

Hastelloy Hex Hollow Bars

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What is Hastelloy Hollow Bars?

Hastelloy hollow bars are nickel-based alloys with grades such as C22, C276, B2, and B3, having the main elements being molybdenum, chromium, iron, cobalt, and tungsten. The bars have good resistance against oxidizing and reducing chemicals and possess high tensile strength (of around 690–800 MPa). The bars are resistant to pitting, crevice corrosion, and stress corrosion cracking even in highly corrosive or chloride-based environments. Their open-holed construction facilitates minimized machining, material cost savings, and increased component efficiency with maintained mechanical stability against thermal and chemical stress.

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Hastelloy Hollow Bars Specifications

  • Specifications: ASTM B166 / ASTM SB166
  • Dimensions: EN, DIN, JIS, ASTM, BS, ASME, AISI
  • Size: 5 mm To 500 mm
  • Diameter: 0.1 mm to 100 mm
  • Length: 100 mm To 3000 mm Long & Above
  • Finish: Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
  • Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
  • Form: Round, Square, Hex (A/F), Rectangle, Hollow, Ingot, Forging Etc.

Hastelloy Hollow Bars Chemical Composition

Grade C Mn Si S Co Ni Cr Fe Mo P
C276 0.010 max 1.00 max 0.08 max 0.03 max 2.50 max 50.99 min* 14.50 – 16.50 4.00 – 7.00 15.00 – 17.00 0.04 max
C22 0.010 max 0.50 max 0.08 max 0.02 max 2.50 max 50.015 min* 20.00 – 22.50 2.00 – 6.00 12.50 – 14.50 0.02 max
B2 0.02 max 1.0 max 0.1 max 0.03 max 1.0 max Bal 1.0 max 2.0 max 26 – 30 0.04 max

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Hastelloy Hollow Bars Mechanical Properties

Element 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 C22 8.69 g/cm3 1399 °C (2550 °F) Psi – 1,00,000 , MPa – 690 Psi – 45000 , MPa – 310 45 %
Hastelloy B2 9.2 g/cm3 1370 °C (2500 ºF ) Psi – 1,10,000 , MPa – 760 Psi – 51000 , MPa – 350 40 %

Hastelloy Hollow Bars Equivalent Grades

STANDARD UNS WNR. JIS GOST EN OR
Hastelloy C276 N10276 2.4819 NW 0276 ХН65МВУ NiMo16Cr15W ЭП760
Hastelloy C22 N06022 2.4602 NW 6022 NiCr21Mo14W
Hastelloy B2 N10665 2.4617

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Hastelloy Hollow Bars Types

Hastelloy Alloy Polished Hollow Bars
Hastelloy Alloy Cold Rolled Hollow Bars
Hastelloy Alloy Round Hollow Bars
Hastelloy Alloy Rectangular Hollow Bars
Hastelloy Hot-Rolled Hollow Rods
Custom-Finished Hastelloy Hollow Rods

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Frequently Asked Questions (FAQ)

Yes, Hastelloy hollow bars can be heat-treated to enhance their mechanical properties, such as strength and toughness. However, specific heat treatment conditions depend on the alloy grade.

The pressure rating of Hastelloy hollow bars depends on their size, wall thickness, and alloy grade. It is crucial to consult specific material standards and perform engineering calculations for accurate ratings.

Yes, we provide Hastelloy Hollow Bars in standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@sahilmetals.com

Hastelloy Hollow Bars Uses

Hastelloy hollow bar is employed where corrosion resistance along with a cylindrical or tubular form is necessary for pressure-bearing or fluid-handling applications. Typical applications are pump shafts, heat exchanger tubes, sleeve parts, and reactor internals in chemical, petrochemical, and marine systems. The hollow structure offers manufacturing flexibility with reduced material waste and machining time. Engineers trust Hastelloy hollow bars with their performance under highly corrosive conditions to provide structural integrity, decreased downtime, and safe operation in critical service applications.

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