NEN EN ISO 898-1 : 2013

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