Spring Materials and Surface Conditions

No. Use traceable material identification and appropriate verification. Magnetic response alone is an incomplete material test.

Include the method, location, material thickness and applicable acceptance specification. The number alone is incomplete.

Define humidity or moisture exposure, storage duration, handling and protection compatible with the material and product.

No. Compare functional performance and relevant durability after the proposed treatment, using the actual design.

It can change contact and fit at guides, attachments and packed coils. The finished condition must satisfy the assembly drawing.

Verify residues, surface condition and compatibility with the intended lubricant and surrounding assembly materials.