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2、titanium welded tubes 1 ( .) ( .) . 2 . . ( ) . KS D 5575, KS D 6726, 3 3.1 . 3.2 , . 4 , , , , . 1 . 4.1 4.2 4.3 KS D 0079:2010 2 . 4.4 1 A , B 4.5 1 5 5.1 , (擬似 ) , , , . 5.2 1 A B 2 , , 2 0.69 MPa . 5 . 6 6.1 . , . . 6.2 A B KS D 0079:2010 3 . . 7 a) ( .) . b) 1 A , B . KS D 5575 KS D 6726 . c) KS D 5575 KS D 6726 . . 8 . a) b) c) d) e) f) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 0079:2010 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Differential pressure testing method of titanium welded tubes ICS 77.150.50 Korean Agency for Technology and Standards http:/www.kats.go.kr
