Will the raw material of I-beam and channel steel be re examined?
Because the factory has material test reports and documents, and belongs to the product section steel I-beam can be used directly or as the processing of semi-finished products, factory test reports and related proof materials, has been able to meet, do not need to re test again.
A formal manufacturer may require a warranty and should not be required. Irregular manufacturers, then they need to test their own or commissioned the test.
The inspection of the incoming materials of I-beam and channel steel is no longer necessary for re examination
