F1852
Alloy SteelASTM 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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