1 Scope
2 Normative references
3 Designation system
4 Materials
5 Mechanical and physical properties
6 Mechanical and physical properties to be
determined
7 Minimum ultimate tensile loads and proof loads
8 Test methods
8.1 Tensile test for machined test pieces
8.2 Tensile test for full-size bolts, screws
and studs
8.3 Torsional test
8.4 Hardness test
8.5 Proof load test for full-size bolts and
screws
8.6 Test for tensile strength under wedge
loading of full-size bolts and screws
(not studs)
8.7 Impact test for machined test pieces
8.8 Head soundness test for full-size bolts
and screws with d < 10mm and with lengths
too short to permit wedge load testing
8.9 Decarburization test: evaluation of
surface carbon condition
8.10 Retempering test
8.11 Surface discontinuity inspection
9 Marking
9.1 Manufacturer's identification marking
9.2 Marking symbols for property class
9.3 Identification
9.4 Marking of bolts and screws with left-hand
thread
9.5 Alternative marking
9.6 Marking of packages
Annex A (informative) Lower yield stress or stress at
0.2% non-proportional elongation
at elevated temperature