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ASTM F436 American steel structure washers classification, generally using 45# steel plate stamping processing.
ASTM F436 Structural Washers are designed for use with A325 structural screws, bolts and nuts. These washers are generally used in exterior construction applications.
F436 flat washers are generally used together with A325 and A490 bolts in building structural design.
The name F436 also means that this type of flat washers can be used in a variety of applications, always bringing the hardness standard of greater strength and long-term durability. All machinery and equipment, chemical industry or working conditions that require size specifications that need to meet ASTM size specifications. They need to choose F436 flat washers because it is a highly recommended solution, except for mild steel bolts.
