ASTM A325 Nuts

ASTM A325 Nuts refers to the required high-strength heavy hex nuts specifically designed for use with ASTM A325 structural bolts. The nut specification most commonly paired with A325 bolts is ASTM A563 Grade DH (or A194 Grade 2H), which guarantees the necessary proof load and structural integrity to match the high clamping force of the A325 bolt. These heavy hex nuts are manufactured from high-quality carbon steel, often quenched and tempered, to ensure reliable performance in critical structural applications, such as bridges, skyscrapers, and industrial steel frameworks. Zeron Fastners supplies these companion nuts to complete the high-strength A325 bolted assembly.

Related Products

ASTM A325 Hex Bolts ASTM A325 Stud Bolts ASTM A325 Washers ASTM A194 Gr 2H Nuts ASTM A325 Socket Head Cap Screws ASTM A325 Threaded Rods
ASTM A325 Nuts (A563 Gr. DH)

ASTM A563 Grade DH Nuts Chemical Composition (Typical A325 Companion Nut)

Element Content (%)
Carbon (C) 0.55 max
Manganese (Mn) 1.50 max
Phosphorus (P) 0.040 max
Sulfur (S) 0.050 max
Boron (B) Optional

ASTM A563 Grade DH Nuts Mechanical Properties

Property 1/2" to 1-1/2" Diameter (min)
Proof Load Stress 175 ksi (1205 MPa)
Proof Load Required
Hardness (Brinell) 248 - 352 HB

ASTM A325 Nuts Feature Products

Super Duplex S32750 Flanges Monel 400 Socket Cap Screws SS 316 Pipe Fittings Alloy Steel Cap Screws

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