Quote Originally Posted by BTDT View Post
The type of wire available will depend on whatever the spring manufacturer happens to have in stock in the specified diameter, Tony. They buy it on huge drums, and won't lay out that sort of money for someone who wants just a few springs.
Thanking you further for this insight, Jim..

I wonder if most spring makers will declare the composition at the time? And, if a buyer was then placing an order for a subsequent batch, it might raise the question of consistency of quality, characteristics and longevity? Or am I overthinking that?