Reduce risk and maintain compliance with our specialist risk management services.
We’re proud to be a leading provider of complete life cycle risk management solutions. From ensuring asset safety and legal compliance with our thorough engineering inspections to driving operational efficiency with our specialist non-destructive testing services, (and much more in between), we’re proud of the long-lasting partnerships we have formed with our customers over the last 160 years, based on the value of our solutions.
Nut Testing
A nut is a mechanical fastener that has a threaded hole, allowing it to be connected to a bolt, screw, or stud. Its purpose is to securely fasten one or more pieces of material together by clamping them down.
Nuts and bolts are essential building blocks in engineering and find applications in various industries. They play a crucial role in securing building materials in structural engineering, providing strong and long-lasting fasteners for aircraft and automotive vehicles, offering corrosion-resistant bolts for marine, rail, and transportation sectors where nuts are exposed to environmental conditions. Additionally, nuts and bolts are commonly used in everyday items like furniture, electrical equipment, and household products.
Performing regular mechanical tests on nuts guarantees that the product meets the necessary standards for safety, quality compliance, and suitability of the material. These standards can be based on the customer’s specific requirements or the end-user’s needs, whether they are British or International standards.
Routine testing serves the purpose of ensuring that the manufactured parts either meet or do not meet the required standards, thus preventing any potential catastrophic failures. Mechanical, metallurgical, and chemical analysis testing play a crucial role in the design and production of a nut, guaranteeing its ultimate suitability for its intended use.
Ask us about our Fastener testing solutions!
Get in touch today! Get in touch today! Get in touch today!What our Nut Testing Services involve
Mechanical Testing
- Proof load testing on nut
- Tensile testing including UTS and Yield strength if required (Size of nut dependant)
- Prevailing torque
- Rockwell, Brinell, Vickers and Knoop Hardness testing
- Charpy and Impact testing
- Wedge testing
Metallurgical Testing
- Decarburisation/Carburisation
- Microhardness testing (surface and core)
- Microhardness testing to determine phase hardness (e.g. martensite, ferrite, bainite, etc.)
- Phase distribution
- Microstructural assessments including banding and segregation
- Longitudinal sectioning and macro etching
- Metallurgical Failure Investigations
- SEM/EDX analysis of failed samples or materials
- Hydrogen embrittlement to determine hydrogen induced cracking
Chemical Analysis
- ICP/OES Analysis
- Spark OES Analysis
Preventing defects and flaws with routine Nut Testing
During the manufacturing of nuts, various defects can arise during the forging, cutting, or heat treatment processes. These defects encompass fractures and cracking, which occur when the material or nut sample undergoes excessive heat stress or strain, resulting in the material cracking.
During the production process, there is a possibility of bursting or rupturing when there are gaps in the material on the outer surface of the nut. This happens because the material is subjected to excessive strain. Additionally, the nut or raw material may also get dented, blemished, or develop notches during the manufacturing and treatment processes.
It is of utmost importance to analyse the raw material and batches of nuts produced during the manufacturing stage to ensure they meet the required standards and are fit for purpose. This is because there is a possibility of defects, flaws, and failures occurring. In case the defects are significant, our metallurgical failure investigations aim to provide valuable information about the nature and cause of the failure. This allows our customers to review and make necessary amendments to their manufacturing procedures.