F1852

Alloy Steel

ASTM F1852 twist-off type tension-control bolt equivalent to A325; installed with spline that shears at design tension.

Mechanical Properties

Tensile 825 MPa min Yield 635 MPa min (same as A325); twist-off spline

Chinese Standard

ASTM A325 / A325M-2014; F1852; F2280

Applications

Twist-off (TC) structural bolts

Available Forms

Tension-control bolts

Uses

Steel structures, pre-tensioned joints

Heat Treatment

Quenched and tempered medium-carbon alloy steel

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