A325 Structural Bolts Hot DIP Galvanized, A325 Type 1 Structural Bolts
Model No.: A325 Structural Bolts Hot Dip Galvanized
The ASTM A325 specification covers high strength heavy hex structural bolts from 1/2″ diameter through 1-1/2″ diameter. These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard Hex Bolts. Refer to the Structural Bolts page of our site for thread lengths and other related dimensions.
This specification is applicable to heavy hex structural bolts only. For bolts of other configurations and thread lengths with similar mechanical properties, see Specification A449.
Bolts for general applications, including anchor bolts, are covered by Specification A 449. Also refer to Specification A 449 for quenched and tempered steel bolts and studs with diameters greater than 1-1/2″ but with similar mechanical properties.
|Medium carbon, carbon boron, or medium carbon alloy steel.|
|T||Fully threaded A325. (Restricted to 4 times the diameter in length)|
A325 Connection Types
|Slip critical connection.|
|N||Bearing type connection with threads included in the shear plane.|
|X||Bearing-type connection with threads excluded from the shear plane.|
A325 Mechanical Properties
|Tensile, ksi||Yield, ksi||Elong. %, min||RA %, min|
|1/2 - 1||120 min||92 min||14||35|
|1-1/8 - 1-1/2||105 min||81 min||14||35|
A325 Chemical Properties
Type 1 Bolts
|Element||Carbon Steel||Carbon Boron Steel||Alloy Steel||Alloy Boron Steel|
|Carbon||0.30 - 0.52%||0.30 - 0.52%||0.30 - 0.52%||0.30 - 0.52%|
|Silicon||0.15-0.30%||0.10 - 0.30%||0.15 - 0.35%||0.15 - 0.35%|
|Boron||0.0005 - 0.003%||0.0005 - 0.003%|
A325 Recommended Hardware
Note: Nuts conforming to A194 Grade 2H are a suitable substitute for use with A325 heavy hex structural bolts. The ASTM A563 Nut Compatibility Chart has a complete list of specifications.
|Type 1||Type 3||Type 1||Type 3|
|A563C, C3, D, DH, DH3||A563DH||A563C3, DH3||F436-1||F436-3|
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Product Categories : Stainless Steel Bolts
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