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2 051 198

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C1

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IPC

(21) (22)

Application

93041578/02, 1993-08-20

(22)

Actual filing date

1993-08-20

(45)

Published

1995-12-27

(72)

Inventor

Nikandrova E.A.Zakharov E.K.Kashinskij M.A.Vygovskij L.A.Surin M.B.Tuchinskij I.V.Tsirlin M.B.Juksa V.S.Bykov G.V.Voloshchuk N.A.Dus' M.Ju.Neumestov V.S.Chernyshov E.Ja.

(73)

Holder

Nikandrova Ekaterina Andreevna

SPRING STEEL Russian patent published in 1995 - IPC

Abstract RU 2051198 C1

FIELD: metallurgy. SUBSTANCE: steel contains carbon, manganese, silicon, chromium, molybdenum, boron, iron, calcium and aluminum with the following ratio of components, by weight: carbon 0.95-1.05; manganese 0.30-0.80; silicon 0.20-0.40; chromium 0.20-0.80; molybdenum 0.05-0.15; boron 0.001-0.004; calcium 0.001- 0.005; aluminum 0.01-0.05; iron the balance. Aluminum-calcium ratio is within the range of (5:1)-(10:1). EFFECT: increased efficiency and improved quality of tools made from spring steel. 2 tbl

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RU 2 051 198 C1

Authors

Nikandrova E.A.

Zakharov E.K.

Kashinskij M.A.

Vygovskij L.A.

Surin M.B.

Tuchinskij I.V.

Tsirlin M.B.

Juksa V.S.

Bykov G.V.

Voloshchuk N.A.

Dus' M.Ju.

Neumestov V.S.

Chernyshov E.Ja.

Dates

1995-12-27—Published

1993-08-20—Filed

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