advantage:
(1) Size: OD: 4-1/2"~13-3/8"
(2) Grade: J55, K55, N80, L80
(3) Type of threading: STD, LTC, BTC
To date, more and more clients, ranging from China to Japan, Korea, Southeast Asian Nations and part of American and European countries have started to select our products, which have won a good reputation both at home and abroad.
We are sure that from pure-hearted cooperation we can establish good relationships. Feel free to contact us, we are sure to satisfy you with our professional information, top quality products, best price, and efficient services.
Our company provides the following casing with API Standard.
|
Size |
Outside Diameter |
Inside Diameter |
Grade |
Wall Thickness | |||
|
in |
mm |
in |
mm |
in |
mm | ||
|
4-1/2 |
4.500 |
114.30 |
4.000 |
101.60 |
J55K55N80 |
0.250 |
6.35 |
|
3.920 |
99.57 |
J55K55N80 |
0.290 |
7.37 | |||
|
5 |
5.000 |
127.00 |
4.408 |
111.96 |
J55K55N80 |
0.296 |
7.52 |
|
4.276 |
108.61 |
N80P110 |
0.362 |
9.29 | |||
|
4.126 |
104.80 |
N80P110 |
0.437 |
11.10 | |||
|
5-1/2 |
5.500 |
139.70 |
4.892 |
124.26 |
J55K55N80 |
0.304 |
7.72 |
|
4.778 |
121.36 |
N80 |
0.361 |
9.17 | |||
|
4.670 |
118.62 |
N80 |
0.415 |
10.54 | |||
|
7 |
7.000 |
177.80 |
6.366 |
161.70 |
J55K55N80 |
0.317 |
8.05 |
|
6.276 |
159.41 |
J55K55N80 |
0.362 |
9.19 | |||
|
6.184 |
157.07 |
N80 |
0.408 |
10.36 | |||
|
9-5/8 |
9.625 |
244.48 |
8.755 |
222.38 |
N80 |
0.435 |
11.05 |
|
8.681 |
222.50 |
N80 |
0.472 |
11.99 | |||
|
10-3/4 |
10.750 |
273.05 |
10.050 |
255.27 |
H40 J55K55N80 |
0.350 |
8.89 |
|
9.850 |
250.19 |
J55K55N80 |
0.450 |
11.43 | |||
|
13-3/8 |
13.375 |
339.72 |
12.615 |
320.42 |
J55K55 |
0.380 |
9.65 |
|
12.415 |
315.34 |
J55K55N80 |
0.480 |
12.19 | |||