CARBON STEEL ANSI B16.9

ANSI B16.9 fittings, often referred to as ASME B16.9 fittings, are the American standard for factory-made wrought butt-welding pipe fittings used in industrial pressure piping systems.

 They are designed to match ASME B36.10/B36.19 pipes and provide strong, permanent, leak-proof connections in demanding applications such as oil and gas, petrochemicals, and power generation. 

Key Features and Specifications

  • Standardization: Conforms to the ASME B16.9 standard, which covers dimensions, tolerances, ratings, testing, and marking for fittings in sizes from NPS 1/2 through NPS 48 (DN 15 through DN 1200).
  • Connection Type: Butt-weld ends for welding directly to the pipe, ensuring maximum strength and integrity, especially in high-pressure systems.
  • Pressure Rating: Pressure ratings are determined by the material grade and the pipe's wall thickness (specified by a schedule number, such as Sch40, Sch80, Sch160, XXS), rather than a specific pressure class like with flanges.
CARBON STEEL ANSI B16.9
SCH X/S

SCH X/S

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STD WEIGHT

STD WEIGHT

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