Documents needed: We will show you MTC, certificate of API, Bill of lading, commercial invoice and packing list after shipment
we also can offer premium connection casing&tubing pipe that can be interchangeable with NEW VAM, VAM TOP .
OD mm
Ib/ft
Grade
W.T
 short
 long
buttress
114.30(4 1/2")
9.50
H,J,K
5.21
YES
Â
Â
10.50
J,K
5.69
YES
Â
YES
11.60
J,K,C,L,N,P
6.35
YES
YES
YES
13.50
C,L,N,P
7.37
Â
YES
YES
15.10
P,Q
8.56
Â
YES
YES
127.00(5")
11.50
J,K
5.59
YES
Â
Â
13.00
J,K
6.43
YES
YES
YES
15.00
J,K,C,L,N,P
7.52
YES
YES
YES
18.00
C,L,N,P,Q
9.19
Â
YES
YES
21.40
C,L,N,P,Q
11.10
Â
YES
YES
23.20
C,L,N,P,Q
12.14
Â
YES
YES
24.10
C,L,N,P,Q
12.70
Â
YES
YES
139.70(5 1/2")
14.00
H,J,K
6.20
YES
Â
Â
15.50
J,K
6.98
YES
YES
YES
17.00
J,K,C,L,N,P
7.72
YES
YES
YES
20.00
C,L,N,P
9.17
Â
YES
YES
23.00
C,L,N,P,Q
10.54
Â
YES
YES
168.28(6 5/8")
20.00
H,J,K
7.32
YES
YES
YES
24.00
J,K,C,L,N,P
8.94
YES
YES
YES
28.00
C,L,N,P
10.59
Â
YES
YES
32.00
C,L,N,P,Q
12.06
Â
YES
YES
177.80(7")
20.00
H,J,K
6.91
YES
Â
Â
23.00
J,K,C,L,N
8.05
YES
YES
YES
26.00
J,K,C,L,N,P
9.19
YES
YES
YES
29.00
C,L,N,P
10.36
Â
YES
YES
32.00
C,L,N,P
11.51
Â
YES
YES
35.00
C,L,N,P,Q
12.65
Â
YES
YES
38.00
C,L,N,P,Q
13.72
Â
YES
YES
193.68(7 5/8")
24.00
H
7.62
YES
Â
Â
26.40
J,K,C,L,N
8.33
YES
YES
YES
29.70
C,L,N,P
9.52
Â
YES
YES
33.70
C,L,N,P
10.92
Â
YES
YES
39.00
C,L,N,P,Q
12.70
Â
YES
YES
42.80
C,L,N,P,Q
14.27
Â
YES
YES
45.30
C,L,N,P,Q
15.11
Â
YES
YES
47.10
C,L,N,P,Q
15.88
Â
YES
YES
196.85(7 3/4")
46.10
C,L,N,P,Q
15.11
Â
Â
Â
219.08(8 5/8")
24.00
J,K
6.71
YES
Â
Â
28.00
H
7.72
YES
Â
Â
32.00
H,J,K
8.94
YES
YES
YES
36.00
J,K,C,L,N
10.16
YES
YES
YES
40.00
C,L,N,P
11.43
Â
YES
YES
44.00
C,L,N,P
12.70
Â
YES
YES
49.00
C,L,N,P,Q
14.15
Â
YES
YES
244.48(9 5/8")
32.30
H
7.92
YES
Â
Â
36.00
H,J,K
8.94
YES
YES
YES
40.00
J,K,C,L,N
10.03
Â
YES
YES
43.50
C,L,N,P
11.05
Â
YES
YES
47.00
C,L,N,P,Q
11.99
Â
YES
YES
53.50
C,L,N,P,Q
13.84
Â
YES
YES
273.05(10 3/4")
32.75
H
7.09
YES
Â
Â
40.50
H,J,K
8.89
YES
Â
YES
45.50
J,K
10.16
YES
Â
YES
51.00
J,K,C,L,N,P
11.43
YES
Â
YES
55.50
C,L,N,P
12.57
YES
Â
YES
60.70
P,Q
13.84
YES
Â
YES
65.70
P,Q
15.11
YES
Â
YES
298.45(11 3/4")
42.00
H
8.46
YES
Â
Â
47.00
J,K,M
9.53
YES
Â
YES
54.00
J,K,M
11.05
YES
Â
YES
60.00
J,K,M,L,N,C,P,Q
12.42
YES
Â
YES
339.7(13 3/8")
48.00
H
8.38
YES
Â
Â
54.50
J,K
9.65
YES
Â
YES
61.00
J,K
10.92
YES
Â
YES
68.00
J,K,C,L,N,P
12.19
YES
Â
YES
72.00
C,L,N,P,Q
13.06
YES
Â
YES
406.40(16")
65.00
H
9.53
YES
Â
Â
75.00
J,K,M
11.13
YES
Â
YES
84.00
J,K,M
12.57
YES
Â
YES
473.08(18 5/8")
87.50
H,J,K,M
11.05
YES
YES
YES
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
Casing and tubing for Sour Oil and Gas Service must have a good anti-SSCC (sulfide stress corrosion and cracking) performance in the environment where hydrogen sulfide corrosion exists. After an indepth study, we has successfully developed tubular goods of the Cr-Mo series for this purpose with good hardenability and tempering stability that when tempering takes places at certain temperatures uniform and fine sorbite structures can be obtained. Their mechanical properties can meet fully the requirements of corresponding grades and their anti-SSC performance is excellent by regulating the chemical composition and adopting different heat treatment procedures Characteristics:
1. Materials: The chemical compositions have been carefully determined to provide resistance to sulfide stress corrosion as well as to insure complete through wall hardening.
Â
2.Heat Treatment: Quenching and Tempering are conducted under rigid temperature control to assure homogeneous physical properties and microstructures.
Â
3.Micro Structure: These grades exhibit fully tempered martensite which is considered to be the most desirable for resistance to sulfide stress corrosion cracking.
Â
4. Tensile Properties and Hardness: Yield Strength is limited within a narrow range and hardness is controlled to within the predetermined maximum limit.
5. Sulfide Stress Cracking (SSC) Performance: Whole grades are designed for 85% or 90% SMYS in NACE condition. Excellent SSC resistance has been achieved through rigorous, chemical composition, heat treatment, microstructure, tensile properties, hardness and so on. Â
Pipe inspection:
A full length non destructive inspection is performed in accordance with API 5CT for external and internal, longitudinal and transverse defects with a standard notch depth equal to 5% of the specified wall thickness.
Documents needed: We will show you MTC, certificate of API, Bill of lading, commercial invoice and packing list after shipment
we also can offer premium connection casing&tubing pipe that can be interchangeable with NEW VAM, VAM TOP .
OD mm
Ib/ft
Grade
W.T
 short
 long
buttress
114.30(4 1/2")
9.50
H,J,K
5.21
YES
Â
Â
10.50
J,K
5.69
YES
Â
YES
11.60
J,K,C,L,N,P
6.35
YES
YES
YES
13.50
C,L,N,P
7.37
Â
YES
YES
15.10
P,Q
8.56
Â
YES
YES
127.00(5")
11.50
J,K
5.59
YES
Â
Â
13.00
J,K
6.43
YES
YES
YES
15.00
J,K,C,L,N,P
7.52
YES
YES
YES
18.00
C,L,N,P,Q
9.19
Â
YES
YES
21.40
C,L,N,P,Q
11.10
Â
YES
YES
23.20
C,L,N,P,Q
12.14
Â
YES
YES
24.10
C,L,N,P,Q
12.70
Â
YES
YES
139.70(5 1/2")
14.00
H,J,K
6.20
YES
Â
Â
15.50
J,K
6.98
YES
YES
YES
17.00
J,K,C,L,N,P
7.72
YES
YES
YES
20.00
C,L,N,P
9.17
Â
YES
YES
23.00
C,L,N,P,Q
10.54
Â
YES
YES
168.28(6 5/8")
20.00
H,J,K
7.32
YES
YES
YES
24.00
J,K,C,L,N,P
8.94
YES
YES
YES
28.00
C,L,N,P
10.59
Â
YES
YES
32.00
C,L,N,P,Q
12.06
Â
YES
YES
177.80(7")
20.00
H,J,K
6.91
YES
Â
Â
23.00
J,K,C,L,N
8.05
YES
YES
YES
26.00
J,K,C,L,N,P
9.19
YES
YES
YES
29.00
C,L,N,P
10.36
Â
YES
YES
32.00
C,L,N,P
11.51
Â
YES
YES
35.00
C,L,N,P,Q
12.65
Â
YES
YES
38.00
C,L,N,P,Q
13.72
Â
YES
YES
193.68(7 5/8")
24.00
H
7.62
YES
Â
Â
26.40
J,K,C,L,N
8.33
YES
YES
YES
29.70
C,L,N,P
9.52
Â
YES
YES
33.70
C,L,N,P
10.92
Â
YES
YES
39.00
C,L,N,P,Q
12.70
Â
YES
YES
42.80
C,L,N,P,Q
14.27
Â
YES
YES
45.30
C,L,N,P,Q
15.11
Â
YES
YES
47.10
C,L,N,P,Q
15.88
Â
YES
YES
196.85(7 3/4")
46.10
C,L,N,P,Q
15.11
Â
Â
Â
219.08(8 5/8")
24.00
J,K
6.71
YES
Â
Â
28.00
H
7.72
YES
Â
Â
32.00
H,J,K
8.94
YES
YES
YES
36.00
J,K,C,L,N
10.16
YES
YES
YES
40.00
C,L,N,P
11.43
Â
YES
YES
44.00
C,L,N,P
12.70
Â
YES
YES
49.00
C,L,N,P,Q
14.15
Â
YES
YES
244.48(9 5/8")
32.30
H
7.92
YES
Â
Â
36.00
H,J,K
8.94
YES
YES
YES
40.00
J,K,C,L,N
10.03
Â
YES
YES
43.50
C,L,N,P
11.05
Â
YES
YES
47.00
C,L,N,P,Q
11.99
Â
YES
YES
53.50
C,L,N,P,Q
13.84
Â
YES
YES
273.05(10 3/4")
32.75
H
7.09
YES
Â
Â
40.50
H,J,K
8.89
YES
Â
YES
45.50
J,K
10.16
YES
Â
YES
51.00
J,K,C,L,N,P
11.43
YES
Â
YES
55.50
C,L,N,P
12.57
YES
Â
YES
60.70
P,Q
13.84
YES
Â
YES
65.70
P,Q
15.11
YES
Â
YES
298.45(11 3/4")
42.00
H
8.46
YES
Â
Â
47.00
J,K,M
9.53
YES
Â
YES
54.00
J,K,M
11.05
YES
Â
YES
60.00
J,K,M,L,N,C,P,Q
12.42
YES
Â
YES
339.7(13 3/8")
48.00
H
8.38
YES
Â
Â
54.50
J,K
9.65
YES
Â
YES
61.00
J,K
10.92
YES
Â
YES
68.00
J,K,C,L,N,P
12.19
YES
Â
YES
72.00
C,L,N,P,Q
13.06
YES
Â
YES
406.40(16")
65.00
H
9.53
YES
Â
Â
75.00
J,K,M
11.13
YES
Â
YES
84.00
J,K,M
12.57
YES
Â
YES
473.08(18 5/8")
87.50
H,J,K,M
11.05
YES
YES
YES
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
Casing and tubing for Sour Oil and Gas Service must have a good anti-SSCC (sulfide stress corrosion and cracking) performance in the environment where hydrogen sulfide corrosion exists. After an indepth study, we has successfully developed tubular goods of the Cr-Mo series for this purpose with good hardenability and tempering stability that when tempering takes places at certain temperatures uniform and fine sorbite structures can be obtained. Their mechanical properties can meet fully the requirements of corresponding grades and their anti-SSC performance is excellent by regulating the chemical composition and adopting different heat treatment procedures Characteristics:
1. Materials: The chemical compositions have been carefully determined to provide resistance to sulfide stress corrosion as well as to insure complete through wall hardening.
Â
2.Heat Treatment: Quenching and Tempering are conducted under rigid temperature control to assure homogeneous physical properties and microstructures.
Â
3.Micro Structure: These grades exhibit fully tempered martensite which is considered to be the most desirable for resistance to sulfide stress corrosion cracking.
Â
4. Tensile Properties and Hardness: Yield Strength is limited within a narrow range and hardness is controlled to within the predetermined maximum limit.
5. Sulfide Stress Cracking (SSC) Performance: Whole grades are designed for 85% or 90% SMYS in NACE condition. Excellent SSC resistance has been achieved through rigorous, chemical composition, heat treatment, microstructure, tensile properties, hardness and so on. Â
Pipe inspection:
A full length non destructive inspection is performed in accordance with API 5CT for external and internal, longitudinal and transverse defects with a standard notch depth equal to 5% of the specified wall thickness.
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