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A182 Gr. F51 and F60 are duplex stainless steel forging grades offering high strength, excellent corrosion resistance, and superior performance in offshore, chemical, and high-pressure systems.

A182 F317 is the molybdenum-alloyed austenitic stainless steel forging grade with enhanced corrosion resistance, and F317L is the low-carbon version suitable for welding and preventing intergranular corrosion.

A182 F316 is the standard austenitic stainless steel forging grade, F316L is the low-carbon version suitable for welding, and F316H is the high-carbon version used for high-temperature and high-strength applications.

A182 F304 is the standard stainless steel forging grade, F304L is the low-carbon version suitable for welding, and F304H is the high-carbon version used for high-temperature and high-strength applications.

The Charpy impact test is a standard high-speed impact test used to measure the energy absorbed (toughness) of a material during fracture. It is simple, inexpensive, and fast, so it is widely used.

Only materials listed in the ASME B16.5 approved material list, and capable of withstanding the specified pressure at the corresponding temperature, may be legally and compliantly used to manufacture ASME B16.5 flanges.