Alloy Nmc2
Designation
Description
Alloy Nmc2 used: for the manufacture of holders of control grids of mercury rectifiers; thermally discongruity parts of electron tubes of increased strength.
Note
Nickel manganese.
According to GOST 28873−90 alloy Nmc2 should be removed from the production
Standards
Chemical composition
Ni is the basis.
According to GOST 492-2006, the mass fraction of cobalt is allowed due to the content of nickel in the amount of ≤ 0.50%. The total mass fraction of impurities of lead, zinc, cadmium, arsenic, antimony, bismuth and phosphorus should be ≤ 0.0080%, including the mass fraction of zinc ≤ 0.0020%.
According to GOST 492-2006, the mass fraction of cobalt is allowed due to the content of nickel in the amount of ≤ 0.50%. The total mass fraction of impurities of lead, zinc, cadmium, arsenic, antimony, bismuth and phosphorus should be ≤ 0.0080%, including the mass fraction of zinc ≤ 0.0020%.