▎ 摘　　要

NOVELTY - High-strength alloy plate comprises 4.1-6.4 wt.% nickel, 1-2 wt.% silicon, 0.05-0.2 wt.% molybdenum, 0.01-0.04 wt.% lithium, 0.1-0.4 wt.% magnesium, 0.03-0.07 wt.% yttrium, 0.01-0.03 wt.% platinum, 0.01-0.04 wt.% rhenium, 0.01-0.1 wt.% bismuth, 0.01-0.03 wt.% tellurium, 0.05-0.4 wt.% zirconium, and copper. USE - Used as high-strength alloy plate. ADVANTAGE - The high-strength alloy plate: has large strength, sufficient toughness, good heat conducting conductivity and high temperature resistance, good stress relaxation resistance and production and use process is safe and environmentally-friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for producing high-strength alloy plate using covering agent comprising a mixture of cryolite, graphene, fluorite, sodium hexafluoroaluminate and charcoal.