A325M

Alloy Steel

Heat-treated high-strength bolts for structural steel joints (compatible with A563 nuts/A194 or A194 nuts). Type 1 = medium-carbon steel incl boron; Type 3 = weathering steel.

Mechanical Properties

Tensile 800 MPa min (for M20-M36) Yield 640 MPa min Elongation 12% min

Chinese Standard

ASTM A325 / A325M-2014; F1852; F2280

Applications

Metric structural bolting

Available Forms

Metric bolts, hex cap screws

Uses

Buildings, bridges (metric)

Heat Treatment

Quenched and tempered medium-carbon alloy steel

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