Standard: ISO 13918 and AWS D 1.1

Shear Connector(M10-M25)
Standard: ISO 13918; AWS D1.1,ASTM A108
  Material: carbon steel
  Mechanical properties:
  Tensile strength >= 450N/mm2
  Yield strength >= 350N/mm2
Elongation >= 15%..

Length : 50mm~300mm.

Testing of Hazardous Substances.

Releasing of hazardous substances can be assessed indirectly by controlling the content of substances in the materials used.

Dimensional requirements studs testing...

The dimensions of the studs should be checked by standard gauges or measuring equipment with an uncertainty less than or equal to 10% of the tolerances