WIRE MATERIAL FOR SAW WIRE AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2011/126073

A1

Disclosed is a wire material for a saw wire and a method for producing the same, wherein parameter P expressed by formula (1) for the C, Si, Mn, and Cr content is 1000 or higher. The metallographic structure includes an areal proportion of 98% or greater of drawn pearlite, and the diameter is 0.05 - 0.18 mm. The tensile strength is 4000 MPa. The grip spacing is 100 mm, and the number of twists in torsion tests with a load tension of tensile strength × wire material cross-sectional area × 0.5 is 5 or greater. P = 1098 × [C] + 98 × [Si] - 20 × [Mn] + 167 × [Cr]... (formula 1) (In formula (1), [C], [Si], [Mn], and [Cr] are the content (in mass%) of C, Si, Mn, and Cr, respectively.)

TARUI, Toshimi (6-1 MARUNOUCHI 2-CHOME, CHIYODA-K, Tokyo 71, 〒1008071, JP)
▲樽▼井　敏三 (〒71 東京都千代田区丸の内二丁目６番１号　新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
NAKAMURA, Kenichi (6-1 MARUNOUCHI 2-CHOME, CHIYODA-K, Tokyo 71, 〒1008071, JP)

JP2011/058807

October 13, 2011

April 07, 2011

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NIPPON STEEL CORPORATION (6-1 MARUNOUCHI 2-CHOME, CHIYODA-KU Tokyo, 71, 〒1008071, JP)
新日本製鐵株式会社 (〒71 東京都千代田区丸の内二丁目６番１号 Tokyo, 〒1008071, JP)
TARUI, Toshimi (6-1 MARUNOUCHI 2-CHOME, CHIYODA-K, Tokyo 71, 〒1008071, JP)
▲樽▼井　敏三 (〒71 東京都千代田区丸の内二丁目６番１号　新日本製鐵株式会社内 Tokyo, 〒1008071, JP)

C22C38/00; B24B27/06; B24D11/00; C21D8/06; C21D9/52; C22C38/34; C22C38/54; H01L21/304

KOKUBUN, Takayoshi (5th Floor, NBF Ikebukuro City Building 17-8, Higashi-Ikebukuro 1-chome, Toshima-k, Tokyo 13, 〒1700013, JP)

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