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Industry News · Home > Industry News > Testing Device for Steel Structure, Screw, Mechnical Connecting

Testing Device for Steel Structure, Screw, Mechnical Connecting


访问人数:524  新闻作者:  新闻来源:  发布时间:2016/3/16 13:15:21
 

  Main instrument of testing for steel structure:

  • Nondestructive examination for quality of welding: ray, altrasonic magnetic power detection apparaturs, and osmoscope
  •  Testing for antiseptic and fireproof coating: thickness gauge of paint coating
  • Bearing loading of steel connections: universl testing machine
  • Tensile of structural connecting and bolt, wedge loading, troque coefficient,  anti slip coefficient testing: torsion testing, universal.
  • Examination of steel: universal testing machine

Relative standard:

  • GB/T1231- high strength, large hexagon head bolt and nut, grommet for steel structure  and technical requirement
  • GB/T3632-  sets of torshear type high strength bolt hexagon nut and plain washer for steel structures
  • GB/T16823.3-2010 /ISO160472005  fasteners—torque/clamp force testing
  • DIN2510/5- standard of Germanynut
  • DIN2510/6- standard of Germanylong nut)
  •   ASME/ASNIB18.2.2 standard of Americanut
  • ASTM.A320/A320M- American testing and leared society of materialtechnical requirement for alloy steel bolt material used at low temperature
  •  ASTM A325-American testing and leared society of materialσb≥827Mpa/724Mpa technical requirement for heat treating, structural steel bolt
  •  ASTM A354- American testing and leared society of materialtechnical requirement for quenched and tempered alloy steel bolt, bolt stud, and other threaded fastener

Machine

  • NDS, NDW, EZ torsion testing machine for wire material and bolt
  • WAW micro computer controlling electro – hydraulic servo universal testing machine
  • WES, WEW digital displaying, micro computer displaying, universal testing machine.

 

 


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