FLUX-CORED WIRE FOR GAS SHIELD ARC WELDING, AND METHOD FOR WELDING CRYOGENIC STEEL USING SAME

Title:

FLUX-CORED WIRE FOR GAS SHIELD ARC WELDING, AND METHOD FOR WELDING CRYOGENIC STEEL USING SAME

Document Type and Number:

WIPO Patent Application WO/2015/068273

Kind Code:

A1

Abstract:

　This flux-cored wire contains one or more of CaF2, BaF2, SrF2, MgF2, and LiF, the total (α) of the amounts of the above compounds contained being 2.0-7.0% by mass relative to the total mass of the flux-cored wire, and contains one or more of a Ti oxide, an Si oxide, an Mg oxide, an Al oxide, a Zr oxide, and a Ca oxide, the total (β) of the amounts of the above oxides contained being 0.2-0.9% by mass relative to the total mass of the flux-cored wire, the ratio of the CaF2 content relative to α being 0.90 or above, and the ratio of α relative to β being 3.0-15.0.

Inventors:

SARUWATARI SUO (JP)
NAKAMURA SHUICHI (JP)
KOJIMA KAZUHIRO (JP)
KUMAGAI TATSUYA (JP)

Application Number:

PCT/JP2013/080284

Publication Date:

May 14, 2015

Filing Date:

November 08, 2013

Export Citation:

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Assignee:

NIPPON STEEL & SUMITOMO METAL CORP (JP)

International Classes:

B23K35/368; B23K35/02; B23K35/30

Domestic Patent References:

WO2013168670A1

2013-11-14

Foreign References:

JP2001205483A	2001-07-31
JPH0957488A	1997-03-04
JPH09239587A	1997-09-16
JPS50115141A	1975-09-09
JP2013091082A	2013-05-16