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Size


Related Standard & Specification: API 5CT, ISO 11960, API 5B, GOST

Related Grade: J55, K55, N80, L80-1, L80-9Cr, L80-13Cr, P110, Q125, K55 D10, L80 D10.

Available Approved Marine: ABS / BV / LR / DNV / GL / KR, EN10204 3.2 MTC

Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156

Produce Process: Hot Rolled, Cold Drawn, Hot Expanded.

Accessories: Pup Joint, Coupling (Coupling Stock), Blast Joint, Crossover etc.

Connection: API connection and Premium connection, like TPCQ, HSM etc.



API Casing
SizeGrade and ConnectionStandards
OD mm (in)WT/mmH40J55  K55M65L80-1  R95N80-1  N80QC90  T95C110P110Q125
114.3(4.5')5.21 SSS      API SPEC 5CT/ISO11960
5.69  S/BS/B      
6.35  S/L/BL/BL/BL/BL/B L/B 
7.37   L/BL/BL/BL/B L/B 
8.56        L/BL/B
127(5')5.59  SS      
6.43  S/L/BS/L/B      
7.52  S/L/BL/BS/L/BS/L/BL/B S/L/B 
9.19   L/BS/L/BS/L/BL/B S/L/BL/B
11.10   L/BL/BL/BL/B L/BL/B
12.14    L/BL/BL/B L/BL/B
12.70    L/BL/BL/B L/BL/B
139.7(5.5')6.20 SSS      
6.98  S/L/BS/L/B      
7.72  S/L/BL/BS/L/BS/L/BL/B S/L/B 
9.17   L/BS/L/BS/L/BL/B S/L/B 
10.54   L/BS/L/BS/L/BL/B S/L/BS/L/B
168.28(6.625')7.32 SS/L/BS/L/B      
8.94  S/L/BL/BS/L/BS/L/BL/B S/L/B 
10.59   L/BS/L/BS/L/BL/B S/L/B 
12.06    S/L/BS/L/BL/B S/L/BL/B
177.8(7')6.91 SSS      
8.05  S/L/BL/BS/L/BS/L/BL/B   
9.19   L/BS/L/BS/L/BL/B S/L/B 
10.36   L/BS/L/BS/L/BL/B S/L/B 
11.51   L/BS/L/BS/L/BL/B S/L/B 
12.65    S/L/BS/L/BL/B S/L/BS/L/B
13.72    S/L/BS/L/BL/B S/L/BS/L/B
193.68(7.625')8.33  S/L/BS/L/BL/BL/BL/B   
9.52   L/BL/BL/BL/B L/B 
10.92   L/BL/BL/BL/B L/B 
12.70    L/BL/BL/B L/BL/B
14.27    L/BL/BL/B L/BL/B
15.11    L/BL/BL/B L/BL/B
15.88    L/BL/BL/B L/BL/B
219.08(8.625')6.71  SSS     
7.72 SS/L/BS      
8.94 SS/L/BS/L/B      
10.16   S/L/BL/BL/BL/B L/B 
11.43   L/BL/BL/BL/B L/B 
12.70    L/BL/BL/B L/B 
14.15    L/BL/BL/B L/BL/B
244.48(9.625')8.94 SS/L/BS/L/B      
10.03  S/L/BS/L/BL/BL/BL/B L/B 
11.05   L/BL/BL/BL/B L/B 
11.99   L/BL/BL/BL/B L/BL/B
13.84    L/BL/BL/B L/BL/B
15.11    L/BL/BL/B L/B 
273.05(10.75')8.89 S/B S/B      
10.16 S/BS/BS/B      
11.43 S/BS/BS/BS/BS/BS/B S/B 
12.57    S/BS/BS/B S/B 
13.84      S/B S/BS/B
15.11      S/B S/BS/B
298.45(11.75')9.65          
10.92          
12.19    S/B   S/B 
13.06    S/B   S/BS/B
339.72(13.375')8.38 S        
9.65  S/BS/B      
10.92  S/BS/B      
12.19   S/BS/BS/BS/B S/B 
13.06    S/BS/BS/B S/BS/B
406.4(16')16.66          
508(20')16.13  S/L/B       
Note: S-SC;L-LC;B-BC.
API Tubing
SizeGrade and ConnectionStandards
OD mm (in)WT/mmH40J55L80-1  R95N80-1  N80QC90T95P110
42.16(1.66')3.18        API SPEC 5CT/ISO11960
3.56 N/UN/UN/UN/UN/UN/U 
4.85 UUUUUUU
48.26(1.9')3.18 N/UN/UN/UN/UN/UN/U 
3.68 N/UN/UN/UN/UN/UN/U 
5.08 UUUUUUU
6.35        
7.62        
60.32(2.375')4.24        
4.83        
6.45        
7.49        
8.53        
73.02(2.875')5.51 N/UN/UN/UN/UN/UN/UN/U
7.01   N/UN/UN/UN/UN/U
7.82   N/UN/UN/UN/UN/U
8.64    U  U
9.96        
11.18 UNNNNN 
88.9(3.5')5.49        
6.45 N/UN/UN/UN/UN/UN/UN/U
7.34 NNNNNN 
9.52   N/UN/UN/UN/UN/U
10.92        
12.09        
13.46        
101.6(4')5.74 NNNNNNN
6.65 UUUUUUU
8.38        
10.54        
12.70        
15.49        
114.3(4.5')6.88 N/UN/UN/UN/UN/UN/UN/U
8.56        
9.65        
10.92        
12.70        
14.22        
16.00        
Note: N-NU; U-EU.