1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 3631 KS D 3631 :2009 2009 12 23 http:/www.kats.go.krKS D 3631:2009 : ( ) ( ) () () () () () () K I S T ( ) : (http:/www.standard.go.kr) ： ：1997 10 21 ：2009 12 23 2009-0906 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 3631:2009 Carbon steel
2、pipes for fuel gas piping 1 1) ( ) ( .) . , . 2 . . ( ) . KS B 0801, KS B 0802, KS D 0001, KS D 0250, KS D 0251, KS D 1652, KS D 1655, X KS D 1659, KS D 1802, KS D 1803, KS D 1804, KS D 1805, KS D 1806, KS D 3507, KS D 3589, KS D 3607, KS Q 5002, 1： 3 1 1 . 1) 1 MPa .KS D 3631:2009 2 1 SPPG 4 4.1 .
3、4.2 , . 4.3 300 , 350 . , 1 2) . 4.4 , KS D 3589 KS D 3607 . t： 22 mm 1 5 2 . 2 % C Si Mn P S SPPG 0.30 0.35 0.95 0.040 0.035 6 6.1 , ( ) 3 . 2) 1 .2.4 mm KS D 3631:2009 3 3 % N/mm 2 N/mm 211 12 5 SPPG 334 206 30 25 1 8 mm 12 5 1 mm 3 1.5 % KS Q 5002 . 1 . 2 12 5 . 1 8 mm 12 ( ) 5 ( ) % 7 mm 8 mm 6
4、mm 7 mm 5 mm 6 mm 4 mm 5 mm 12 30 28 27 25 5 25 24 22 20 6.2 2/3 . 6.3 40 . 6 90 . 180 4 . 7 7.1, 7.2 7.3 . 7.1 3 MPa(30 bar) 3) 5 . , 300 10 . 7.2 KS D 0250 UC ( 4 ). , 100 KS D 0251 EX . 3) 1 bar10 5PaKS D 3631:2009 4 ( , ) 80 % . 7.3 . , 300 . 8 8.1 . 8.2 . 9 , 9.1 , 4 . 9.2 1 12 000 mm . , 3 600
5、 mm . 10 10.1 10.1.1 KS D 0001 4.( ) . 10.1.2 . KS D 1652, KS D 1655, KS D 1659, KS D 1802, KS D 1803, KS D 1804, KS D 1805 KS D 1806 10.2 10.2.1 KS B 0801 11, 12A, 12B, 12C 5 . 10.2.2 KS B 0802 . KS D 3631:2009 5 4 , mm % mm kg/m 80 KS D 3507 . 80 89.1 1 4.05 8.49 90 101.6 1 4.05 9.74 100 114.3 1 4
6、.5 12.2 125 139.8 1 4.85 16.1 150 165.2 1 4.85 19.2 175 190.7 1 5.3 24.2 200 216.3 1 5.85 30.4 225 241.8 1 6.2 36.0 250 267.4 1 6.40 41.2 300 318.5 1 7.00 53.8 350 355.6 1 7.60 65.2 400 406.4 1 7.9 77.6 450 457.2 1 7.9 87.5 500 508.8 1 7.9 97.4 550 558.8 1 7.9 107.3 600 609.6 1 7.9 . 12.5 % 117.2 80
7、 , KS D 3507 . 1 350 . 0.5 % . . (0.5 %) . , (D) (l) . lD 3.141 6 . 2 . 3 1 cm 3 7.85 g KS Q 5002 . W0.024 66 t(Dt) W ： (kg/m) t ： (mm) D ： (mm) 4 . 10.3 10.3.1 50 mm . 10.3.2 KS D 3631:2009 6 2 6.2 (H) , . , 2 3 D H 3 2 , D H 3 1 . 2 3 10.4 10.4.1 . 10.4.2 6.3 , . 90 . 10.5 7.1 , , . 10.6 7.2 , KS
8、D 0250 KS D 0251 . 11 11.1 KS D 0001 . 11.2 , , , 5. 9. . 11.3 1 . 11.4 5 , 6 . KS D 3631:2009 7 11.5 KS D 3589 KS D 3607 . 5 125 500 1 150 300 300 1 350 150 1 6 125 1 000 1 150 300 500 1 350 300 1 12 KS D 0001 5.4() . 13 . , . a) 1) (SPPG ) ：EG ：EH ：EC (m), “ ” . ( ) SPPG E G 15012 m 990601A001 , 2) ( ) b) ( ) . , 10 15 cm , 150 . 14 . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 3631 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Carbon steel pipes for fuel gas piping ICS 23.040 ; 23.040.10 ; 77.140.20 Korean Agency for Technology and Standards http:/www.kats.go.kr
