There are several methods of metal testing, including mechanical testing, chemical analysis, and non-destructive testing (NDT).

One important aspect of metal testing is the certification process, which confirms that a material or product meets a particular set of standards.

The 3.2 certification is a type of material inspection certificate, which confirms that a product has been independently inspected and tested to ensure that it meets the required quality standards.

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Lloyd's and TUV are two organizations that offer inspection and certification services for metal products. Lloyd's is a well-known classification society that specializes in providing certifications for the maritime and offshore industries, while TUV is a German organization that provides product testing and certification services for a wide range of industries. Both organizations are widely recognized and respected, and their certificates are often required by industries to ensure that the products they use are of high quality and meet the necessary safety and performance standards.

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Intamet can provide additional inspection and testing as per customer requirements.