... Name: High-strength elastic alloys Number: HAl72-3-1 Powerway Alloy is ... communications, lockers, refrigeration and spring areas.Categories: Special Alloys MaterialName: High-strength elastic alloysNumber: HAl72-3-1Feature: ... 220 Integrated, low cost, low-cost than the bronze alloys in 4%; Antioxidant capacity, long-term does not change ... industry, the spring industry. High-strength elastic alloys