Spring manufacturer of all kinds of testing requirements

Spring manufacturer for each reel shall check its size, surface state and its mechanical properties, commonly used detection has scars tests, decarburization test, tensile test, the reverse

Test and bending test, but the scar test can take after tensile test of the material.

Tensile test or reverse test results, such as not eligible for specified test values, for testing to confirm again, for the inspection of wire, each coil should be in the right

Methods identifiable, such as wire diameter, Spring supplier code, varieties, etc.