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2 172 793

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IPC

(21) (22)

Application

2000107375/02, 2000-03-28

(24)

Start date

2000-03-28

(22)

Actual filing date

2000-03-28

(45)

Published

2001-08-27

(72)

Inventor

Trajno A.I.Pimenov A.F.Bakhtarov G.L.Borodin Ju.V.Kartashov V.I.Sarychev I.S.Kruglov A.V.

(73)

Holder

Institut Metallurgii I Materialovedenija Im. A.A. Bajkova Ran

CAST IRON Russian patent published in 2001 - IPC

Abstract RU 2172793 C1

FIELD: ferrous metallurgy. SUBSTANCE: invention relates to compositions of weldable deformable cast iron that can be used in making pipes by plastic deformation of cast skelp. Cast iron has the following components. wt.-%: carbon, 2.60-3.97; silicon, 1.0-4.8; manganese, 0.02-0.40; magnesium, 0.01-0.09; nickel, 0.006-0.02; copper, 0.003-0.02; titanium, 0.005-0.04; chrome, 0.002-0.015; phosphorus, 0.009-0.10 and iron, the balance. Invention provides the improvement of impact ductility and weldability of pipes made by plastic deformation. EFFECT: improved quality of pipes. 2 tbl

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RU 2 172 793 C1

Authors

Trajno A.I.

Pimenov A.F.

Bakhtarov G.L.

Borodin Ju.V.

Kartashov V.I.

Sarychev I.S.

Kruglov A.V.

Dates

2001-08-27—Published

2000-03-28—Filed