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Compression and Proof Load Testing

Compression and Proof Load Testing

Flattening, Flaring, and Proof load Tests

Flattening tests are performed on specimens cut from tubular products. The tube or pipe will be subjected the specimen to a prescribed degree of flattening between two parallel plates. The specimen must not fracture upon flattening.

Flare tests are performed by pressing a tube or pipe onto a mandrel, typically with a 60° the specimen is expanded required is dependent on the specifications or standard. After the test, the samples must not have any visible cracks.

Proof-load testing consists of stressing components, such as nut, bolts, and assemblies to a specified load, in which the component being tested shall show no signs of deformation. This test can be performed in compression or testing, depending on the specimen being tested.

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