NS131 corrosion-resistant alloy is an iron-nickel-based corrosion-resistant alloy with excellent pitting corrosion resistance developed in my country in 1967, also known as the new No. 9 alloy.
Due to the high chromium content in the alloy and the compound effect of an appropriate amount of molybdenum, the alloy has good corrosion resistance to oxidizing and reducing media, especially pitting corrosion resistance in redox composite media containing CL and other active anions Better performance.
The main products of alloys are plates, pipes, wires, strips, and forgings, which are used in various equipments such as reaction kettles, smelters, valves and couplings in the pitting environment of chemical and non-ferrous smelters.
Grade: NS131
C(%): ≤0.05
Cr(%): 19.0~21.0
Ni(%): 42.0~44.0
Mo(%): 12.5~13.5
Co(%): -
Cu(%): -
Al(%): -
Ti(%): -
Fe(%): surplus
Si(%): ≤0.70
Mn(%): ≤1.00
P(%): ≤0.030
S(%): ≤0.030
other(%): -
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