API L80 Intermediate Casing Pipes
L80 casing pipes can be divided into 3 categories: L80-1, L80 9Cr and L80 13Cr. These 3 steel grades have no difference in mechanical properties, but different in heat treatment method and chemical composition. Among them L8013Cr is the highest grade, which is always used in special environment.
Product Description
1 Production Process: Seamless & ERW
2 Standard: API 5CT/5B
3 OD of Casing: 114.3-508mm
4 Thread: LTC ( Long Round Thread), STC (Short Round Thread), BTC ( Butrress Thread) and other Premium connections as per given drawings
5 Length: R1(4.88-7.62M), R2( 7.62-10.36M), R3(10.36-14.63M)
6 Steel Grade: J55, K55, N80-1, N80-Q, L80, P110, Q125
7 Surface: black paintings
8 Heat Treatment: Normalized, Quencher+Temper
9 Loading Port: Tianjin
10 Shipment: by containers or bulk vessle
11 Third Party Inspection ( TPI): SGS, BV, MOODY, CCIC, IN-HOUSE)
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CASING PIPES
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STANDARD: API SPEC 5CT
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Outside Diameter Specified(mm)
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Nominal Weight Threads &Coupling
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Steel Grade
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WT (mm)
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Type of Thread
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Ib/ft
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Short
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Long
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Buttress
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TG-QMI
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114.30(4 1/2")
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9.50
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H,J,K
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5.21
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YES
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|
|
|
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10.50
|
J,K
|
5.69
|
YES
|
|
YES
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|
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11.60
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J,K,C,L,N,P
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6.35
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YES
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YES
|
YES
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|
|
13.50
|
C,L,N,P
|
7.37
|
|
YES
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YES
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|
|
15.10
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P,Q
|
8.56
|
|
YES
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YES
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|
|
127.00(5")
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11.50
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J,K
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5.59
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YES
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|
|
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13.00
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J,K
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6.43
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YES
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YES
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YES
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|
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15.00
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J,K,C,L,N,P
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7.52
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YES
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YES
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YES
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|
|
18.00
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C,L,N,P,Q
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9.19
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|
YES
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YES
|
|
|
21.40
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C,L,N,P,Q
|
11.10
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|
YES
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YES
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|
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23.20
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C,L,N,P,Q
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12.14
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YES
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YES
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|
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24.10
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C,L,N,P,Q
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12.70
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|
YES
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YES
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|
|
139.70(5 1/2")
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14.00
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H,J,K
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6.20
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YES
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|
|
|
|
15.50
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J,K
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6.98
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YES
|
YES
|
YES
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YES
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|
17.00
|
J,K,C,L,N,P
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7.72
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YES
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YES
|
YES
|
YES
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20.00
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C,L,N,P
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9.17
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|
YES
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YES
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YES
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23.00
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C,L,N,P,Q
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10.54
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|
YES
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YES
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YES
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|
168.28(6 5/8")
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20.00
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H,J,K
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7.32
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YES
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YES
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YES
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|
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24.00
|
J,K,C,L,N,P
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8.94
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YES
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YES
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YES
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|
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28.00
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C,L,N,P
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10.59
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|
YES
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YES
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|
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32.00
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C,L,N,P,Q
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12.06
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YES
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YES
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177.80(7")
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20.00
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H,J,K
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6.91
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YES
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23.00
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J,K,C,L,N
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8.05
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YES
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YES
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YES
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YES
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26.00
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J,K,C,L,N,P
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9.19
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YES
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YES
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YES
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YES
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29.00
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C,L,N,P
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10.36
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|
YES
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YES
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YES
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32.00
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C,L,N,P
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11.51
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|
YES
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YES
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YES
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35.00
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C,L,N,P,Q
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12.65
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|
YES
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YES
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YES
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|
38.00
|
C,L,N,P,Q
|
13.72
|
|
YES
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YES
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YES
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|
193.68(7 5/8")
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24.00
|
H
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7.62
|
YES
|
|
|
|
|
26.40
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J,K,C,L,N
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8.33
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YES
|
YES
|
YES
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|
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29.70
|
C,L,N,P
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9.52
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|
YES
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YES
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|
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33.70
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C,L,N,P
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10.92
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|
YES
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YES
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39.00
|
C,L,N,P,Q
|
12.70
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|
YES
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YES
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|
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42.80
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C,L,N,P,Q
|
14.27
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|
YES
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YES
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|
|
45.30
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C,L,N,P,Q
|
15.11
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|
YES
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YES
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|
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47.10
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C,L,N,P,Q
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15.88
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YES
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YES
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196.85(7 3/4")
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46.10
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C,L,N,P,Q
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15.11
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|
|
|
|
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219.08(8 5/8")
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24.00
|
J,K
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6.71
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YES
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|
|
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28.00
|
H
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7.72
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YES
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|
|
|
|
32.00
|
H,J,K
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8.94
|
YES
|
YES
|
YES
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|
|
36.00
|
J,K,C,L,N
|
10.16
|
YES
|
YES
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YES
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|
|
40.00
|
C,L,N,P
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11.43
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|
YES
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YES
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|
|
44.00
|
C,L,N,P
|
12.70
|
|
YES
|
YES
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|
|
49.00
|
C,L,N,P,Q
|
14.15
|
|
YES
|
YES
|
|
|
244.48(9 5/8")
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32.30
|
H
|
7.92
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YES
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|
|
|
|
36.00
|
H,J,K
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8.94
|
YES
|
YES
|
YES
|
YES
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|
40.00
|
J,K,C,L,N
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10.03
|
|
YES
|
YES
|
YES
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|
43.50
|
C,L,N,P
|
11.05
|
|
YES
|
YES
|
YES
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|
47.00
|
C,L,N,P,Q
|
11.99
|
|
YES
|
YES
|
YES
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|
53.50
|
C,L,N,P,Q
|
13.84
|
|
YES
|
YES
|
YES
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|
273.05(10 3/4")
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32.75
|
H
|
7.09
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YES
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|
|
|
|
40.50
|
H,J,K
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8.89
|
YES
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|
YES
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|
|
45.50
|
J,K
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10.16
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YES
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|
YES
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|
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51.00
|
J,K,C,L,N,P
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11.43
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YES
|
|
YES
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|
|
55.50
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C,L,N,P
|
12.57
|
YES
|
|
YES
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|
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60.70
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P,Q
|
13.84
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YES
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|
YES
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|
|
65.70
|
P,Q
|
15.11
|
YES
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|
YES
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|
|
298.45(11 3/4")
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42.00
|
H
|
8.46
|
YES
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|
|
|
|
47.00
|
J,K,M
|
9.53
|
YES
|
|
YES
|
|
|
54.00
|
J,K,M
|
11.05
|
YES
|
|
YES
|
|
|
60.00
|
J,K,M,L,N,C,P,Q
|
12.42
|
YES
|
|
YES
|
|
|
339.7(13 3/8")
|
48.00
|
H
|
8.38
|
YES
|
|
|
|
|
54.50
|
J,K
|
9.65
|
YES
|
|
YES
|
|
|
61.00
|
J,K
|
10.92
|
YES
|
|
YES
|
|
|
68.00
|
J,K,C,L,N,P
|
12.19
|
YES
|
|
YES
|
|
|
72.00
|
C,L,N,P,Q
|
13.06
|
YES
|
|
YES
|
|
|
406.40(16")
|
65.00
|
H
|
9.53
|
YES
|
|
|
|
|
75.00
|
J,K,M
|
11.13
|
YES
|
|
YES
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|
|
84.00
|
J,K,M
|
12.57
|
YES
|
|
YES
|
|
|
473.08(18 5/8")
|
87.50
|
H,J,K,M
|
11.05
|
YES
|
YES
|
YES
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|
|
508.00(20")
|
94.00
|
H,J,K
|
11.13
|
YES
|
YES
|
YES
|
|
|
106.50
|
J,K
|
12.70
|
YES
|
YES
|
YES
|
|
|
133.00
|
J,K
|
16.13
|
YES
|
YES
|
YES
|
|
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