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2 007 496

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C1

(51)

IPC

(21) (22)

Application

4850584/02, 1990-07-16

(22)

Actual filing date

1990-07-16

(45)

Published

1994-02-15

(72)

Inventor

Tikhonov A.K.Bogdanova N.V.Farshatov M.N.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD FOR SHORT-TIME GAS NITRATION OF STEEL ARTICLES Russian patent published in 1994 - IPC

Abstract RU 2007496 C1

FIELD: metallurgy. SUBSTANCE: steel articles are subjected to diffusion saturation in an atmosphere of ammonia and exogas at a 1: 4 volume ratio at 600-630 C. The saturation is conducted for 2.5-3.0 hours. EFFECT: improved properties of steel articles. 2 cl, 1 tbl

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RU 2 007 496 C1

Authors

Tikhonov A.K.

Bogdanova N.V.

Farshatov M.N.

Dates

1994-02-15—Published

1990-07-16—Filed

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