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ASTM B626 UNS N10276 Overview：
ASTM B626 UNS N10276 Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Tube, often used for corrosive environments and high-temperature applications in chemical processing, waste treatment, and power generation industries.
The material composition of ASME SB 622 UNS N10276 Seamless Pipe is a nickel-molybdenum-chromium alloy, also known as Hastelloy C-276. The alloy exhibits excellent corrosion resistance in oxidizing and reducing environments due to the presence of both chromium and molybdenum. SB 626 N10276 welded tube is also resistant to pitting, crevice corrosion, and stress corrosion cracking.
Chemical composition of ASTM B626 UNS N10276 Includes:
- Nickel (Ni) - 57%
- Molybdenum (Mo) - 16%
- Chromium (Cr) - 16%
- Iron (Fe) - 5.5%
- Tungsten (W) - 3.8%
- Cobalt (Co) - 2.5%
- Manganese (Mn) - 1%
- Vanadium (V) - 0.2%
- Silicon (Si) - 0.08%
Hastelloy C-276 Material Properties
In addition to its corrosion resistance properties, ASTM B626 UNS N10276 also offers good mechanical strength and toughness at high temperatures. Hastelloy c276 welde pipe has a maximum temperature limit of 1,900°F (1,040°C) for continuous use and 2,100°F (1,150°C) for intermittent exposure.
Corrosion Resistance Profile
The UNS N10276 welded tube is one of the few materials that can withstand:
- Wet Chlorine Gas: Essential for bleach and paper pulp processing.
- Strong Oxidizers: Resistance to ferric and cupric chlorides.
- Acidic Media: Exceptional performance in sulfuric, hydrochloric, and phosphoric acids.
Quality Testing for SB 626 Tubes
To ensure the weld is as strong as the base metal, our tubes undergo:
- Eddy Current Testing: To detect any surface or internal flaws in the weld seam.
- Hydrostatic Pressure Test: Verifying integrity under high-pressure loads.
- Pneumatic Test: Ensuring 100% leak-proof performance for gas transport.
- MTC 3.1: Full Mill Test Certification provided with every order.
Hastelloy Alloy C276 UNS N10276 Applications:
- Chemical processing and production of harsh chemicals
- Waste treatment and pollution control
- Flue gas desulfurization systems
- Power generation
- Aerospace and defense industries
Furthermore, the seamless or welded pipes and tubes made from ASME SB 626 UNS N10276 are produced through cold working or hot working methods. The nickel alloy c276 pipes and tubes undergo stringent testing procedures to ensure dimensional accuracy, chemical composition, and mechanical properties are up to industry ASTM B622, B619, B626 standards.
