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A325 Structural Bolts Hot DIP Galvanized, A325 Type 1 Structural Bolts

Basic Info

Model No.:  A325 Structural Bolts Hot Dip Galvanized

Product Description

Model NO.: A325 Structural Bolts Hot Dip Galvanized Type: Round Head Head Style: Round Grade: A325 Hex Bolt Finish: Fluorocarbon Coated Trademark: C&N Origin: China Material: High Strength Steel Connection: Common Bolt Standard: DIN, ANSI, JIS, GOST Application: Machinery A325 Hex Bolt: A325 Hex Bolt Specification: The ASTM A325
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.
A325 Types
 

TYPE 1
Medium carbon, carbon boron, or medium carbon alloy steel.

T Fully threaded A325. (Restricted to 4 times the diameter in length)
M Metric A325.

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.

A325 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

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%
Manganese, min 0.60% 0.60% 0.60% 0.60%
Phosphorus, max 0.040% 0.040% 0.035% 0.035%
Sulfur, max 0.050% 0.050% 0.040% 0.040%
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%
Alloying Elements

* *

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.
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

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Product Categories : Stainless Steel Bolts

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