The Versatility of Sheet Lead and Its Uses. Sheet lead possesses many benefits that make it highly desirable in a variety of applications. Lead is a very soft metal that can be easily formed and cut to size by hand at room temperatures without work hardening. LEAD SHEET WP Associates Bellevue, WA Notes 9 Notes 10 Notes 11 Notes. LEAD SHEET WP Associates Bellevue, WA Lead Source: LEAD SHEET WP Associates Bellevue, WA. Midland Lead is a lead sheet suppliers and manufacturer that makes an extensive range of lead sheet products – available in these sizes and EN code weights: If you’d like to discuss a project or ask us more about our lead sheet production processes, just give us a call on +44 (0) 1283 224 555.