The tensile testing involves applying a controlled longitudinal uniaxial tension strenght on a sample. The test can be performed at room, at high or at low temperatures and provides information about the reaction of a material in terms of stress-strain relationship. Some of the key properties determined by tension test are yield strenght (YS), ultimate tensile strenght, elongation and area reduction.

The load cell installed on the tensile testing machine measures and controls the applied force and a strain gauge placed on the specimen measures its deformation. The data can be graphed into a stress-strain curve, that shows the elastic or plastic behaviour of the material until failure.

Specimens may be different for dimensions and share. They can have a flat or round section, according to the observed standards. In some case their shoulders can be threaded. Also finished components or tubes can be subjected to tensile test.

METALLIC MATERIALS

  • ASTM A770/770M-03, 2012 (accredited)
  • EN 10164:2004, paragraph 8 (accredited)
  • ASTM E21-09 (accredited), Elevated Temperature Tension Test (60÷1000°C)
  • ISO 6892-2 (2011) B113 (accredited), Elevated Temperature Tension Test  (60÷1000°C)
  • EN 10002-5:1991 (accredited), Elevated Temperature Tension Test  (60÷1000°C)

 

BASE MATERIALS, WELDS OF METALLIC MATERIALS

  • ASTM A370-14, paragraph Tension Test (accredited)
  • ASTM E8/E8M-15a (accredited)
  • ISO 6892-1:2009 A224 (accredited)

 

WELDS OF METALLIC MATERIALS

  • BS EN 876:1995 (accredited)
  • ASME IX QWW-150, 2013 (accredited)
  • EN ISO 15614-1:2004/A2:2012, paragraph 7.4.2 (accredited)
  • ISO 5178:2001(E) (accredited)
  • ISO 4136:2012 (accredited)
  • EN 895:1995 (accredited)
  • EN 10002-1:2001 (accredited)

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