1、 KS B 1426 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS B 1426 :2007 2007 10 31 http:/www.kats.go.krKS B 1426:2007 : () ( ) () () () ( ) : (http:/www.standard.go.kr) : : 1999 12 31 : 2007 10 31 2007-0902 : : ( 02-509-7274) (http:/www.kats.go.kr). 7 5 , . KS B 1426:2007 General rules for steel pipe f
2、langes 1 (, .) , , . 1 . 2 . ISO 70051:1992 Metallic flangesPart 1:Steel flanges 3 A G . 4 . . 2 . . KS B 1002, 6 KS B 1007, KS D 0001, KS D 3503, KS D 3710, KS D 3752, KS D 4101, KS D 4107, KS D 4122, KS D 4123, 3 3.1 . 2 K, 5 K, 10 K, 16 K, 20 K, 30 K, 40 K 63 K . , 10 K 2 . KS B 1426:2007 2 3.2 (
3、flat face), (large raised face), (small raised face), 5 . 4 1 . , 5 K 10 K . a) 5 K, 10 15, 2 , AB 1 . 1 MPakgf/cm 2 300 120 0.202 120 0.293 b) 10 K 0.69 MPa7 kgf/cm 2 , 120 ( .) . 5 29 , 10 11 . 12 . , , , , . 1) 16 K . 2) 63 K . 3) 16 K , . 4) 16 K , (氣密) . 5) 16 K , , . 6 2 . KS B 1426:2007 3 2 (
4、) 2 K KS D 3503 SS400 KS D 3710 SF390A KS D 3752 S20C KS D 4101 SC410 5 K 10 K KS D 3503 SS400 KS D 3710 SF390A KS D 4122 SFVC1 KS D 3752 SM20C KS D 4101 SC410 KS D 4107 SCPH1 16K 20K KS D 3710 SF440A KS D 4122 SFVC2A KS D 3752 SM25C KS D 4101 SC480 KS D 4107 SCPH2 KS D 3710 SF440A KS D 4122 SFVC2A
5、KS D 3752 SM25C KS D 4101 SC480 KS D 4107 SCPH2 KS D 4123 SFVAF1 KS D 4107 SCPH11 30 K, 40 K 63 K KS D 4123 SFVAF11A KS D 4107 SCPH21 1 2 , . 2 2 KS D 3710 0.35 % . 3 KS D 3752 KS D 0001 , SM20C 400 N/mm 2 40.8 kgf/mm 2 , SM25C 440 N/mm 2 44.9 kgf/mm 2 . KS B 1503 KS B 2305 KS D 3755 ASTM A 19482a C
6、arbon and alloy steel nuts for bolts for high-pressure and high- temperature service 1 :MPakgf/cm 2 W G 1G 2G 3H 1H 2H 3H 4H 5H 6H 7 () ( 1 ) 120 220 3 0 0 350 400 425 450 475 490 500 510 () ( 5 ) 2K SS400, SF390A( 3 ), SM20C( 2 ), SC410 0.293 0.202 0.394 5K SS400, SF390A( 3 ), SFVC1, SM20C( 2 ), SC
7、410, SCPH1 0.697 0.596 0.495 0.9810 10K SS400, SF390A( 3 ), SFVC1, SM20C( 2 ), SC410, SCPH1 1.3714 1.1812 0.9810 1.9620 16K SF440A( 3 ), SFVC2A, SM25C( 2 ), SC 480( 4 ), SCPH2 2.6527 2.4525 2.26232.0621 1.7718 1.5716 3.9240 20K SF440A( 3 ), SFVC2A, SM25C( 2 ), SC 480( 4 ), SCPH2 3.3334 3.0431 2.8429
8、2.5526 2.2623 1.9620 4.9050 SF440A( 3 ), SFVC2A, SM25C( 2 ), SC 480( 4 ), SCPH2 5.0051 4.5146 4.22433.8239 3.3334 2.9430 SFVAF1, SCPH11 (5.0051) (4.5146) (4.2243)(3.8239) 3.7338 3.5336 3.3334 2.9430 30K SFVAF11A, SCPH21 (5.0051) (4.5146) (4.2243) (3.8239) (3.7338) (3.5336) (3.3334) 3.1432 2.9430 7.3
9、575 SF440A( 3 ), SFVC2A, SM25C( 2 ), SC 480( 4 ), SCPH2 6.6768 6.0862 5.59575.1052 4.5146 3.9240 SFVAF1, SCPH11 (6.6768) (6.0862) (5.5957)(5.1052) 5.0051 4.7148 4.4145 3.9240 40K SFVAF11A, SCPH21 (6.6768) (6.0862) (5.5957) (5.1052) (5.0051) (4.7148) (4.4145) 4.1242 3.9240 3.7338 3.5336 9.81100 SF440
10、A( 3 ), SFVC2A, SM25C( 2 ), SC 480( 4 ), SCPH2 10.49107 9.5197 8.8390 7.9481 7.0672 6.1863 SFVAF1, SCPH11 (10.49107) (9.5197) (8.8390)(7.9481) 7.8580 7.4576 6.9671 6.1863 63K SFVAF11A, SCPH21 (10.49107) (9.5197) (8.8390) (7.9481) (7.8580) (7.4576) (6.9671) 6.4766 6.1863 5.7959 5.4956 15.69160 KS B 1
11、426:2007 4 KS B 1426:2007 5 ( 1 ) , 1 , . 1 . 1 . SS400 SF390A, SF440A SFVC1, SFVC2A SFVA F1, SFVA F11A SM20C, SM25C SC410, SC480 SCPH1, SCPH2, SCPH11, SCPH21 KS D 3503 KS D 3710 KS D 4122 KS D 4123 KS D 3752 KS D 4101 KS D 4107 ( 2 ) KS D 0001 , SM20C 400 N/mm 2 40.8 kgf/mm 2 , SM25C 440 N/mm 2 44.
12、9 kgf/mm 2 . ( 3 ) 0.35 % . ( 4 ) 350 . ( 5 ) , . 1 W 120 ( .) . 2 G 1 , G 2 , G 3 1 ( .) . 3 H 1 400 . 4 H 2 H 7 425510 . 5 1 , ( 1 ). 6 , , . 7 , . 8 WH 7 . KS B 1426:2007 6 1 1 KS B 1426:2007 7 2 2 K 1 400 3 . 2 . 3 10 5 K . 4 (h) KS B 1007 3 . KS B 1426:2007 8 3 5 K 1 . 2 10 11 . , 2 . 3 50 2 .
13、4 (h) M30 KS B 1007 2 . M20 , KS B 1002 , (h) KS B 1007 3 . KS B 1426:2007 9 4 1 10 K 1 . 2 10 11 . , 2 . 3 (h) M30 KS B 1007 2 . M20 , KS B 1002 , (h) KS B 1007 3 . KS B 1426:2007 10 4 2 10 K 41 KS B 1426:2007 11 5 16 K 1 . 2 10 11 . , 600 2 . 3 (h) M303 KS B 1007 2 . KS B 1426:2007 12 6 20 K 1 . 2
14、 10 11 . , 600 2 . 3 (h) M303 KS B 1007 2 . KS B 1426:2007 13 7 30 K 1 . 2 10 11 . , g 10 . 3 (h) M303 KS B 1007 2 . KS B 1426:2007 14 8 40 K 1 . 2 10 11 . , g 10 . 3 (h) M303 KS B 1007 2 . KS B 1426:2007 15 9 63 K 1 . 2 10 11 . , g 10 . 3 (h) M303 M363 KS B 1007 2 . KS B 1426:2007 16 10 (1) 1 D . 2
15、 t 29 . 3 g f 29 . 4 12 . KS B 1426:2007 17 11 (2) 1 t 69 . 2 f 3 , f 4 . 3 g 10 g . 4 12 . KS B 1426:2007 18 12 :mm 300 100 0 0.5 500 0.3 300 600 100 400 0 1 500 1 000 0.35 600 1 000 2 400 600 0 1.5 1 000 1 500 0.4 1 000 1 500 600 800 0 2 C 1 , C 2 C 3 , C 4 1 500 0.5 a1 500 3 800 1 000 0 2.5 8 0.2
16、 300 1 d 1 000 0 3 f 3 , f 4 8 0.25 300 600 1.5 250 0.5 220 0.8 600 1 000 2 250 550 0.6 220 650 0.9 1 000 1 500 2.5 550 950 0.8 650 1 000 1 D 1 500 3 950 1 350 1 g 1 000 1.2 16 1 C 1 350 1.5 20 1.5 0 16 63 1.5 P 0.5 20 50 2 0 63 125 2 220 2 0 50 100 3 0 125 250 2.5 220 450 3 0 20 1 0 250 500 3 450 6
17、50 4 0 20 50 1.5 0 500 1 000 4 650 850 6 0 , t tf 50 100 2 0 d b 1 000 5 850 1 000 7 0 50 1 100 0.5 0.5 1 000 8 0 50 100 1.5 100 400 1 0.5 220 1 0 100 200 2 400 600 1.5 0.5 220 450 1.5 0 200 2 0 600 800 2 0 450 650 2 0 T 200 300 3 0 800 1 000 2.5 0.5 650 850 2.5 0 850 1 000 3 0 d 0 1 000 3 0 a d 1 1
18、 000 3.5 0 1 KS B 1426:2007 19 12 () 1 d, 100 % . , . 2 , 100 % . 3 , 70 % ( ) . a . b d, . KS B 1426:2007 20 1 , . 1 1 5 . 1 1 16 K 1 . 2 (d) KS B 2305 . KS B 1426:2007 21 1 2 20 K 1 1 1 2 KS B 1426:2007 22 1 3 30 K 1 1 1 2 KS B 1426:2007 23 1 4 40 K 1 1 1 2 KS B 1426:2007 24 1 5 63 K 1 1 1 2 (d) *
19、 KS B 2305 . KS B 1426:2007 25 2 , . ( 2) , , 2 1, 2 2 2 13 . 2 , . 2 1 () 220 KS D 3503 SS400 2 K, 5 K, 10 K 220 KS D 3503 SS490 KS D 3503 SS400 M39 4.6 4 220 M42 KS D 3503 SS400 KS D 3503 SS400 220 350 KS D 3752 S35C KS D 3752 SM25C 16 K, 20 K 350 425 KS D 3755 SNB7 KS D 3752 SM45C 350 KS D 3752 S
20、35C (H) KS D 3752 SM25C (N) 2 1, 2 2 2 3 350 450 KS D 3755 SNB7 KS D 3752 SM45C (H) 30 K, 40 K, 63 K 450 510 KS D 3755 SNB16 (ASTM A 194 Gr.4) 2 2 2 3 2 1 2 2 2 3 1 350 , 2 2 2 3 . 2 350 , KS B 1426:2007 26 . 3 350 . 4 2 1 KS D 3752 2 2 . 5 ASTM ( ) 2 3 . 2 2 (N) (H) (H) N/mm 2 kgf/mm 2 N/mm 2 kgf/m
21、m 2 % % () J/cm 2kgfm/cm 2 HB SM25C (N) 860910 123183 SM35C (H) 840890 550650 39240 56958 22 55 98.110 SM45C (H) 820870 550650 201269 2 3 :% C Mn P S Si Cr Mo HB ASTM A 194 Gr.4 0.400.50 0.700.90 0.035 0.040 0.150.35 0.200.30 248352KS B 1426:2007 27 3 , . . 1. 3 1 3 2 . 2. . 3. (gasketing) . KS B 1426:2007 28 3 1 , . 3 1 . KS B 1426:2007 29 , . . 3 2 KS B 1426:2007 30 1: Metallic flangesPart 1:Steel flanges A G, 1992 1 ISO 70051, Metallic flangesPart 1: Steel flanges , . , A G “ ”, . A G , ISO