John Hassall utilizes only the finest quality raw materials, from basic metals to exotic alloys. We offer the full range of carbon and stainless steels, aluminum, brass, copper, silicon bronze, Hastelloy, Inconel, glass sealing alloy, nickel silver and titanium.

All incoming raw materials undergo thorough inspection and verification, including rigorous in-process and final testing conducted within our metallurgical laboratory. The tests we perform include spectrometry, metallography, shear/tensile/yield, hardness and stress rupture (creep) tests conducted in accordance with zero defect acceptance plans.

Raw Material List
Below is a list of materials commonly used at John Hassall, including but not limited to: