GB/T 126052007 GB/T 126051990 Non-destructive testingradiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes 2007.2 2007- - 2007- -
... III 1...1 2...1 3...1 4...2 5...2 6...2 6.1...2 6.2...2 6.3...2 6.4...5 6.5 100%...6 6.6...6 6.7...7 6.8...9 6.9...9 6.10...10 6.11...11 6.12...11 6.13...12 7...12 7.1...12 7.2...13 8...13 8.1...13 8.2...13 8.3...16 9...19 9.1...19 9.2...20 9.3...20 A...21 A.1 X...21 A.2 γ d...21 B...23 B.1...23 B.2...23 B.3...23 I
C...25 C.1 I...25 C.2 II...25 D...27 D.1...27 D.2...27 E...32 E.1...32 E.2...32 II
GB/T 12605-90 ISO 17636:2003 T1T2T3T4 Se-75 A d B D E 1990 GB/T 12605-90 III
1 2175 mm 2 GB/T 9445-2005 GB 11533-1989 GB/T 12604.2-2005 GB 18871-2002 GB/T 19348.1-2003 1 GBZ 98-2002 GB 16387-1998 GBZ 117-2002 X GB16357-1996 GBZ 132-2002 GB18465-2001 3 3.1 t nominal thickness 3.2 w penetrated thickness 3.3 b object-to-film distance 3.4 d source size 3.5 F source-to-film distance 3.6 f source-to-object distance 3.7 Do diameter 3.8 small diameter tube Do 100mm 3.9 K ratio of max.and min. penetrated thickness 1
, 4 4.1 GB/T 9445 4.2 4.3 GBZ 98-2002 5.0 GB 11533 5 5.1 GB 18871GBZ117 GBZ 132 5.2 GBZ 117 5.3 GBZ 132 5.4 6 6.1 A B 6.1.1 A B 6.1.2 A B, A B, A B 6.2 6.2.1 6.2.2 24h 6.3 6.3.1 6.3.1.1 1 2
1 6.3.1.2 2 2 6.3.2 6.3.2.1 3 3
3 6.3.2.2 4 4 4
6.3.2.3 6.3.2.3.1 GB/T 126052007 5 6.3.2.3.2 5 6.3.2.3.3 D 0 100mm : at 8mm; bg D 0 /4 5 6.4 6.4.1 5
6.4.2 6.5 100% 6.5.1 A 15mm 3 15mm 4 B K1.1 D 6.5.2 A K1.2 B K1.1 D 6.5.3 A D 0 76mm 100mm 90 D 0 76mm B T/D 0 0.12 90 0 2 T/D o >0.12 120 0 60 0 3 120 0 60 0 3 6.6 6.6.1 GB/T 19384.1-2003 T1T2T3 T4 T1 T4 1 0.3 1 / G min max G/ D min D=2.0 D=4.0 D=2.0 D=2.0 T1 4.3 7.4 0.018 270 T2 4.1 6.8 0.028 150 T3 3.8 6.4 0.032 120 T4 3.5 5.0 0.039 100 6.6.2 6.6.3 2 3 2 a mm WmmA B A B X 100kV X 100150kV X 100250kV T3 T2 T2 0.03 0.15 0.020.15 Yb169 w5 T2 0.03 T3 Tm170 w5 T2 0.020.15 X 250500kV w50 T3 T2 0.020.2 6
w50 T3 0.10.2 b 0.020.2 Se75 T3 T2 0.10.2 Ir192 T3 T2 Co60 X 14MeV X 412MeV X 12MeV w100 w100 w100 w100 w100 w100 T3 T3 T2 T3 T2 T3 T2 T3 T2 w100 T2 w100 T3 T2 0.020.2 0.020.2 0.10.2 b 0.250.7 c 0.250.7 c 1 d 1 e a. b. 0.1mm 0.03mm c.a 0.52mm d. A 0.51mm e 3 X 150kV a A B mm 0.03 0.15 X 150250kV 0.020.15 X 250500kV T3 T2 0.10.2 Yb169 0.020.15 Se75 0.2 b 0.10.2 a. b. 0.1mm 0.1mm 0.2mm 6.7 W 6.7.1 X 400kV X W 6 6 50kV; 40kV; 30kV 7
6 X 6.7.2 X X 4 W 10mm 4 X A Wmm B Tm170 W5 W5 Yb-169a 1W15 2W12 Se-75b 10W40 14W40 Ir-192 20W100 20W90 Co-60 40W200 60W150 X 1MeV4MeV 30W200 50W180 X 4MeV12MeV 50 80 X 12MeV 80 100 a. A 10W70B 25W55 b. A 35W120 6.7.3 1X W=0.8 ( D T ) T +T 1 6.7.4 X 700mm 15mAmin 6.7.5 10 6.7.6 8
7.5mAmin 6.8 W 5 5 6.9 6.9.1 f A f10db 2/3 W T 2T/cos 2T/ cos B f15db 2/3 d A f A f 7 B f 8 2T T T 7 A f 9
8 B f 6.9.2 f 50%. 6.9.3 f 20%. 6.10 6.10.1 JB/T 7902-2006 B 6.10.2 100mm JB/T 7902-2006 1/4 a b F" F" 6.10.3 100mm JB/T 7902-2006 6.10.4 76mm E 10
6.10.5 : a 4 b 6.10.6 6 6 mm Tmm Wmm Wmm A B A B A B 19 0.050 - - - - - - 18 0.063-2.5-2.5-2.5 17 0.080 2.0 2.54.0 2.0 2.54.0 2.0 2.54.0 16 0.100 2.03.5 4.06.0 2.03.5 4.06.0 2.03.5 4.06.0 15 0.125 3.55.0 6.08.0 3.55.0 6.08.0 3.55.0 6.012 14 0.160 5.07.0 8.012 5.07.0 8.015 5.010 1218 13 0.20 7.010 1220 7.012 1525 1015 1830 12 0.25 1015 2030 1218 2538 1522 3045 11 0.32 1525 3035 1830 3845 2238 4555 10 0.40 2532 3545 3040 4555 3848 5570 9 0.50 3240 4565 4050 5570 4860 70100 8 0.63 4055 65120 5060 70100 6085 100175 7 0.80 5585 120175 6085 100170 85125-6 1.00 85150-85120 170175 125175-5 1.25 150175-120175 - - - 6.11 C 100mm C 5mm 6.12 11
6.12.1 6.12.2 : R1R2 12 6.12.3 6.12.4 6.12.5 5mm 6.13 6.13.1 23mm B 13mm 1.6mm B B B 6.13.2 6.13.3 7 7.1 7.1.1 l0mm 6 7.1.2 7.1.3 7.1.4 A 2.0D4.0 B 2.3D4.0 X A 1.5B 2.0 1.3 12
D 4.0 7.1.5 D 0 76mm A 60% E 7.2 7.2.1 7.2.2 5 min 10min 30s 7.2.3 a D2.5 30cd/m 2 b D2.5 10cd/m 2 7.2.4 5 8 8.1 8.1.1 8.1.2 3 8.1.3 3 8.1.4 8.1.5 8.2 8.2.1 III IV 8.2.2 8.2.2.1 7 7 mm T 25 25100 100 10 10 10 20 10 30 8.2.2.2 8 8 mm mm 1 12 23 34 46 68 8 1 2 3 6 10 15 25 8.2.2.3 9 13
9 mm T T 25 0.5 25 T 50 0.7 T 50 1.4T 8.2.2.4 10 10 mm 1010 1020 1030 mm 10 1015 1525 2530 50100 100 1 2 3 4 5 6 3 6 9 12 15 18 6 12 18 24 30 36 1/2T 8.2.2.6 I 5mm 10 10 8.2.3 11 11 mm 0 0 T12 4 12T60 1 T 3 T60 20 T9 6 9T45 2 T 3 T45 30 6L 12T T, 3L 6T T 14
1 L T 2 12T 6T 12T 3 T25mm 4mm25 mmt100mm 6mmT100mm 8mm 8.2.4 8.2.4.1 D 0 100mm 12 12 mm 0 0 0 0 10 1.5 15 2.0 T12 4 12<T<36 6L 2/3T 12T T36 12 T T9 6 9T30 3L 2/3T 6T T30 20 T 1 L T 2 3 4 12T 6T 12TII. 5 8.2.4.2 D 0 100mm 13 13 15
1 2 GB/T 126052007 % % mm 0 0 0 10 1.5 10 15 2.0 15 3 8.2.5 14 14 % mm 10 1 15 2 20 3 % 100mm 25 100mm 30 8.2.6 8.2.7 1 8.3 8.3.1 IV 8.3.2 8.3.2.1 15 15 mm T 20 2080 10 10 10 20 16
8.3.2.2 16 17 16 mm 1 12 23 34 46 68 810 1 2 3 6 10 15 25 17 mm mm 10 10 10 20 T,mm 3 35 510 1020 2040 40 1 2 3 4 6 7 3 7 10 14 21 24 6 14 21 28 42 49 2/3 T 10mm 8.3.2.3 18 18 mm T 20 2040 40 0.4 0.6 1.5 T 8.3.2.4 T 5mm 10 10 8.3.3 8.1.3 8.3.4 Do100mm 19 Do 100mm 20 19 Do100mm,mm mmt mm 10 1.0 15 1.5 1/3 T 4 6T T 4 20 300mm 30 2/3 T 6 3T T 6 30 300mm 40 17
, 20 Do 100mm,mm 10 1.0 10 15 1.5 15, 8.3.5 21 21 % mm 15 1.5 20 2.0 100mm 3T T 100mm 100mm 30% 8.3.6 8.3.7 8.4 8.4.1 IV 8.4.2 8.4.2.1 22 22 mm T 20 2050 10 10 10 20 18
8.4.2.2 23 24 23, mm 1 12 24 48 8 1 2 4 8 16 24 mm mm 10 10 10 20 T 3 35 510 1020 2030 3050 mm 1 2 3 4 5 6 2 4 6 8 10 12 4 8 12 16 20 24 T/2 8.4.2.3 25 8.4.2.4 T 5mm 10 T 5mm 20 T 5mm 30 25 mm,t 10 10 20 20 50 0.3 0.4 0.7 8.4.3 8.2.3 8.4.4 8.3.4 8.4.5 8.3.5 8.4.6 8.2.7 9 9.1 19
5 9.2 a b c d e f g h i 9.3 5 20
A A.1 X A.1, d A-1 A-2 A-3 A-4 d=2 1/2 a A-1 d=a 2 +b 2 1/2 A-2 d=a A-3 d=d A-4 A.1 X A.2 γ d γ d a, d 21
2 2 = a b A-4 d + A.2 22
B B.1 B.1 B.1 B.2 b15mm 15mm 1 B.1 Fe Ni Ti Al Cu - 3 #,,,,,, B.3 2 23
B.2 1 3.20 2 2.50 0.03 3 2.00 4 1.60 5 1.25 6 1.00 0.02 7 0.80 8 0.65 9 0.50 10 0.40 11 0.32 0.01 12 0.25 13 0.20 14 0.16 15 0.125 16 0.100 17 0.080 0.005 18 0.063 19 0.050 24
C C.1 I I ab C. C.1 T1- T2- T- C.1 I.1 I mm T T 1 T 2 3.5 1.0 0.35 0.50 4.0 1.0 0.40 0.60 5.0 1.0 0.50 0.75 6.0 1.0 0.60 0.90 C.2 II C.2 C.2 25
C.2 II C.2 II mm h 1 h 2 h 3 h 4 h 5 h d D 0.2 0.6 1.0 1.4 1.8 0-0.06 2.5 0-0.10 1.0 +0.060 0.5 1.0 1.5 2.0 2.5 0-0.10 3.5 0-0.12 1.0-0.060 2.0 +0.060 26
D.1 D D 0 >100mm 100% D1 D4 ad1 K=1.1 DD2 K=1.1 cd3 K=1.2 dd4 K=1.2 D.2 : T/ D 0 D 0 /f T/ D 0 ; D 0 /f ; ; 27
D.1 K 1.1 28
D.2 K=1.1 29
D.3 K=1.2 100mmD 0 400 30
D.4 K=1.2 100mm D 0 400 31
E E.1 PQST E.1 t E.1 E.2 PQ ST P, Q, S, T a a = ON = OE E.1 P X M OM = h t h = a cost.e.2 L: L = PQ + ST η ο L = 2π a(1 t / 90 ) E.3 32
L t η = = 1 2 π a ο 90 GB/T 126052007 E.4 E.2 t PQ ST 33