ASTM A325M PDF

The information contained on this site is presented for historical and informational purposes only. Portland Bolt will soon introduce a new microsite which will provide technical information about this new ASTM specification. Although there is no difference in regards to the mechanical properties, there are distinct differences between them. Type 1 — Medium carbon, carbon boron, or medium carbon alloy steel which undergoes a heat treating operation to achieve the desired mechanical properties.

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A number in parentheses indicates the year of last reapproval. They are designated by type denoting chemical composition asfollows No other units of measurement are included in thisstandard. Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.

Referenced Documents2. Current edition approved Sept. Published September Originallyapproved in Last previous edition approved in as AM — United States1B Ordering Information3.

The washers shall have asurface finish for each type of bolt as follows:Bolt Type and Finish Washer Finish1, plain uncoated plain uncoated 1, zinc-coated zinc-coated1, coated inaccordance withSpecification FM,Grade 3coated in accordance withSpecification FM3, plain weathering steel, plain3.

Materials and Manufacture4. Wacker Dr. Selection of a class shall be at the option of the bolt manufacturer. BThese elements are not specified or required. Hotdip zinc coated bolts shall be tested for all specified mechanicalproperties and rotational capacity. If zinc coated nuts arerelubricated after the initial rotational capacity tests, theassemblies shall be retested for rotational capacity.

See Chemical Composition5. See Guide G formethods of estimating the atmospheric corrosion resistance oflow alloy steels. Mechanical Properties6.

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