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SAE AMS7490R

Действует
Rings, Flash Welded Corrosion and Heat-Resistant Austenitic Steels, Austenitic-Type Iron, Nickel or Cobalt Alloys, or Precipitation-Hardenable Alloys
This specification covers flash welded rings made of corrosion and heat-resistant austenitic steels and austenitic-type iron, nickel, or cobalt alloys, or precipitation-hardenable alloys.