US 11,814,703 B2
Titanium material for hot working
Tomoyuki Kitaura, Tokyo (JP); Yoshihisa Shirai, Tokyo (JP); and Hideki Fujii, Tokyo (JP)
Assigned to NIPPON STEEL CORPORATION, Tokyo (JP)
Filed by NIPPON STEEL CORPORATION, Tokyo (JP)
Filed on Jun. 4, 2021, as Appl. No. 17/338,775.
Application 17/338,775 is a division of application No. 15/747,209, granted, now 11,066,727, previously published as PCT/JP2016/072344, filed on Jul. 29, 2016.
Claims priority of application No. 2015-149388 (JP), filed on Jul. 29, 2015.
Prior Publication US 2021/0292871 A1, Sep. 23, 2021
Int. Cl. C22C 14/00 (2006.01); B21B 3/00 (2006.01); B32B 15/01 (2006.01); B32B 3/26 (2006.01); B23K 20/00 (2006.01); B21B 1/22 (2006.01); B21B 1/02 (2006.01)
CPC C22C 14/00 (2013.01) [B21B 1/22 (2013.01); B21B 3/00 (2013.01); B23K 20/00 (2013.01); B32B 3/26 (2013.01); B32B 15/01 (2013.01); B21B 1/02 (2013.01); B21B 2001/225 (2013.01); Y10T 428/12479 (2015.01); Y10T 428/12806 (2015.01)] 2 Claims
OG exemplary drawing
 
1. A titanium material for hot working, comprising:
a package; and
one or more types selected from a titanium sponge, a briquette obtained by compressing a titanium sponge, and a commercially pure titanium scrap, with which the package is packed, the average particle size of the titanium sponge, a briquette obtained by compressing a titanium sponge, and a commercially pure titanium scrap being 1 mm or more,
wherein
a portion of the package consists of a titanium alloy, the portion constituting an outer layer after hot working, and
a degree of vacuum of an inner portion of the titanium material is made 10 Pa or less.