1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 12 31 http:/www.kats.go.krKS B ISO 8492 KS B ISO 8492: 2001 (2011 ) B ISO 8492 : 2001 : ( ) ( ) INI ( ) : (http:/www.standard.go.kr) : : 2001 12 31 : 2011 12 19 2011-0589 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . ICS 77.040 KS B ISO 8492: 200
2、1(2011 ) Metallic materialsTubeFlattening test 1998 2 ISO 8492, Metallic materials Tube Flattening test . 1. . . 600 mm , 15 % . . 2. , , 1 1 . 1 , a(1) b D H L mm mm mm mm mm (1) T . 3. 1 (a) (b) . b 1 (c) . a) b) c) 1 b/2 B ISO 8492 : 2001 2 4. 4.1 H . ( , 1.6 D), . 5. 5.1 10 mm 100 mm . . . 5.2 ,
3、 80 % . . 6. 6.1 10 35 . (235) . 6.2 . 6.3 . 6.4 . 6.5 25 mm/ . 6.6 . . . 7. . . a) b) c) d) e) f) 135513 7017 (02)60094114 (02)600948878 http:/ KS B ISO 8492:2001 Metallic materialsTube Flattening test ICS 77.040 KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKS Korean Agency for Technology and Standards http:/www.kats.go.kr