ASTM B626 / UNS N06455 / Hastelloy C276 Welded Tubes
types of CNC machining
Lorem ipsum dolor sit amet consectetur adipisicing elit.
Hastelloy C276 (UNS N10276 / UNS N06455) is a nickel-based superalloy renowned for its exceptional corrosion resistance in harsh environments. ASTM B626 is the standard specification governing the production of welded tubes made from this alloy, ensuring high performance in critical applications such as heat exchangers, condensers, and corrosive service environments.
Related Standards & Specifications
UNS N10276
AMS 5750 Bar, Forgings
WS 2.4819
ASTM B574, ASME SB574 Bar Products
ASTM B575, ASME SB575 Plate, Sheet and Strip
ASTM B619, ASME SB619 Welded Pipe
ASTM B622, ASME SB622 Seamless Tubing
ASTM B626, ASME SB 626 Welded Tubing
ASTM B366, ASME SB 366 Wrought Corrosion Resistant Fittings CR HC 276, Wrought ANSI Pressure Fitting-WPHC276
ASTM B564 Forgings
Dimensions
Outside Diameter (OD): 1/8 to 3½ inches (3.2 to 88.9 mm)
Wall Thickness: 0.015 to 0.148 inches (0.41 to 3.7 mm)
Chemical Composition
| Weight% | C | P | Si | Ni | Co | W | Mn | S | Cr | Mo | V | Fe |
| Hastelloy C276 | 0.01 max | 0.040 max | 0.08 max | Bal | 2.5 max | 3-4.5 | 1.00 max | 0.030 max | 14.5-16.5 | 15-17 | 0.35 max | 4-7 |
Mechanical Properties
| Material | Ultimate Tensile (min) | Yield Strength (Min) | Elongation % | Hardness Rb | ||
| Ksi | Mpa | Ksi | Mpa | |||
| Alloy C276 Tube | 105.4 | 727 | 45.4 | 313 | 70 | 92 |
| Alloy C276 Plate | 107.4 | 741 | 50.3 | 347 | 67 | 89 |
| Alloy C276 Bar | 110.0 | 758 | 52.6 | 363 | 62 | 88 |
| Alloy C276 Sheet | 115.5 | 796 | 54.6 | 376 | 60 | 86 |
Manufacturing Process
Tubes are produced from flat-rolled alloy via automatic welding processes (e.g., TIG, laser, or plasma welding) without filler metal.
Supplied in solution annealed and descaled condition to ensure optimal mechanical properties and corrosion resistance.
Applications
Due to its outstanding corrosion resistance and mechanical strength, ASTM B626 Hastelloy C276 welded tubes are widely used in:
- Chemical processing (reactors, piping systems)
- Oil & gas (downhole and offshore equipment)
- Power generation (flue gas desulfurization systems)
- Pharmaceutical and wastewater treatment
ASTM B626 UNS N06455 (Hastelloy C276) welded tubes offer superior performance in extreme environments. Their compliance with stringent mechanical, chemical, and nondestructive testing requirements ensures reliability in critical industrial applications.
Lork Group is a trusted supplier of ASTM B626 UNS N06455 / N10276 welded tubes, offering superior corrosion resistance for heat exchangers, chemical processing, and oil & gas applications. Get competitive pricing and reliable stock-contact us today for a quote!
Hot Tags: astm b626 / uns n06455 / hastelloy c276 welded tubes, China astm b626 / uns n06455 / hastelloy c276 welded tubes manufacturers, factory
You Might Also Like
Send Inquiry