Corrosion inhibiting quenchant compositions

Details Corrosion inhibiting quenchant compositions Corrosion inhibiting quenchant compositions

1985-03-29

1986-06-17

O'Keefe, Veronica

Metal treatment

Compositions

Heat treating

148 206, 148 27, 252 76, 252392, C21D 156

Patent

active

045954259

ABSTRACT:
An organic polymer containing composition suitable for use as a quenchant having incorporated therein a non-nitrite inhibitor system, which comprises an aromatic compound having at least one substituent nitro group and/or the water soluble organic or inorganic salt thereof and a hydroxy substituted mono aromatic carboxylic acid and/or the water soluble organic or inorganic salt thereof. In another embodiment a pH adjustment agent capable of providing an initial pH of at least 7.5 is also present.

REFERENCES:
patent: 4087290 (1978-05-01), Kopietz
patent: 4263167 (1981-04-01), Mago
patent: 4277366 (1981-07-01), Mago
patent: 4324675 (1982-04-01), Barthold et al.
patent: 4381205 (1983-04-01), Warchol
patent: 4404044 (1983-09-01), Warchol
patent: 4486246 (1984-12-01), Warchol

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