NXF ASTM A240 316H /1Cr17Ni12Mo2/31609 DN15-1200 Class 150-2500 Stainless Steel 316H Forging Threaded Hexagonal Head Plug

Alloy 316H (UNS S31609) is a high carbon modification of Alloy 316 developed for use in elevated temperature service. The alloyhas higher strength at elevated temperatures and is used for structural and pressure vessel applications at temperatures above932°F (500°C). The higher carbon content of 316H also delivers higher tensile and yield strength than 316/316L and its austeniticstructure provides excellent toughness down to cryogenic temperatures.The corrosion resistance of Alloy 316H is comparable to Alloy 316/316L and is superior to Alloy 304/304L in moderately corrosiveenvironments. It is often used in process streams containing chlorides or halides. The alloy resists atmospheric corrosion, aswell as, moderately oxidizing and reducing environments. It also resists corrosion in polluted marine conditions.Alloy 316H is non-magnetic in the annealed condition. It cannot be hardened by heat treatment, however the material will hardendue to cold working. It can be easily welded and processed by standard shop fabrication practices.

The main part of the hexagonal head threaded pipe plug includes a hexagonal head and a threaded part. The hexagonal head makes installation and removal easy with a wrench or other tools, while the threaded portion ensures the plug will stay tightly on the pipe. This design makes the pipe plug easy to operate and effective in sealing. It is a part used to prevent liquid leakage. It is usually fixed on the pipe through a threaded connection to prevent liquid or gas from leaking from the pipe. Therefore, it is often literally translated as "pipe blocking" in the fastener industry.

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