High reputation ASTM A325/A490 Heavy Hex Structural Bolt

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ASTM A325 / A325M Heavy Hex Structural Bolts

The bolts are intended for use in structural connections. These connections are covered under the requirements of the Specification for Structural Joints Using ASTM A325 Bolts, approved by the Research Council on Structural Connections, endorsed by the American Institute of Steel Construction and by the Industrial Fastener Institute.

Dimension: ASME B18.2.6 (Inch Size),  ASME B18.2.3.7M (Metric Size)

Thread Size: 1/2"-1.1/2",  M12-M36, with various lengths

Grade: ASTM A325 / A325M Type-1

Finish: Black Oxide, Zinc Plating, Hot Dip Galvanized, Dacromet, and so on

Packing: Bulk about 25 kgs each carton, 36 cartons each pallet

Advantage: High Quality and Strict Quality Control, Competitive price,Timely delivery; Technical support, Supply Test Reports

Please feel free to contact us for more details.

In 2016, ASTM A325 was officially withdrawn and replaced by ASTM F3125, in which A325 now becomes a grade under the F3125 specification.  The F3125 specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852, and F2280. 

Prior to its withdrawl in 2016, the ASTM A325 specification covered 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. 

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 A449. Also refer to Specification A449 for quenched and tempered steel bolts and studs with diameters greater than 1-1/2″ but with similar mechanical properties.

ASTM A325

Scope The ASTM A325 specification covers high strength heavy hex structural bolts from ½” 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 A 449. 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.
Types
 TYPE 1 Medium carbon, carbon boron, or medium carbon alloy steel.
 TYPE 2 Withdrawn November 1991.
 TYPE 3 Weathering steel.
 
T Fully threaded A325. (Restricted to 4 times the diameter in length)
M Metric A325.
Connection Types
SC 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.
Mechanical Properties
Size 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
Recommended Nuts and Washers
Nuts Washers
Type 1 Type 3 Type 1 Type 3
Plain Galvanized Plain
A563C, C3, D, DH, DH3 A563DH A563C3, DH3 F436-1 F436-3
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.

 

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To fulfill the customers' over-expected fulfillment , we have now our solid staff to deliver our greatest general assistance which includes internet marketing, product sales, creating, manufacturing, excellent controlling, packing, warehousing and logistics for High reputation ASTM A325/A490 Heavy Hex Structural Bolt, We warmly welcome your participation dependant on mutual added benefits within the in close proximity to future. High reputation China Structural and Bolt, Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we have been working hard to provide you the wholehearted service and willing to present you the most competitive price in the market

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