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

Defines mechanical and physical properties of bolts, screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of 10 degrees C to 35 degrees C.