Fasteners

Chemical Analysis (ICP, XRF, GD-OES, XRD, SEM/EDS, FTIR)

• Alloy composition, identification and certification

• Coating and plating -  composition, thickness and depth profiles   

 

Mechanical Testing

• Tensile strength, proof load, shear strength, fatigue strength, torsional strength, hardness (ASTM F606)

• Hydrogen Embrittlement (ASTM F519)

 

Corrosion Testing

• Salt spray (method example (ASTM B117, G85)

• Corrosion resistance of coatings (ASTM F2832)

• Corrosion in treated wood (AWPA E-12)

• Immersion test (ASTM G31, B895)

• CASS test (ASTM B368)

• Intergranular corrosion susceptibility in steels and aluminum (ASTM A262, G67)

• Stress corrosion cracking test (ASTM G36)

• Galvanic corrosion test (ASTM G71)

• Corrosivity of liquid wastes (EPA method 1110A) 

 

Non-destructive Testing

• Magnetic particle inspection (MPI) -  ASTM E1444