Product Name

Specification

Type of thread

OD*L(mm)

Unit Weight

API 5CT 4 1/2" J55/K55

STC casing couplings

for oilfield

4-1/2"

STC

127.00*158.75

5.23

4-1/2"

LTC

127.00*177.80

4.15

4-1/2"

BTC

127.00*225.42

4.55

5"

STC

141.30*165.10

4.66

5"

LTC

141.30*196.85

5.75

5"

BTC

141.30*231.78

5.85

5-1/2"

STC

153.67*171.45

5.23

5-1/2"

LTC

153.67*203.20

6.42

5-1/2"

BTC

153.67*234.95

6.36

6-5/8"

STC

187.71*184.15

9.12

6-5/8"

LTC

187.71*222.25

11.34

6-5/8"

BTC

187.71*244.48

11.01

7"

STC

194.46*184.15

8.39

7"

LTC

194.46*228.60

10.83

7"

BTC

194.46*254.00

10.54

7-5/8"

STC

215.90*190.50

12.30

7-5/8"

LTC

215.90*234.95

15.63

7-5/8"

BTC

215.90*263.52

15.82

8-5/8"

STC

244.48*196.85

16.23

8-5/8"

LTC

244.48*254.00

21.67

8-5/8"

BTC

244.48*269.88

20.86

9-5/8"

STC

269.88*196.85

18.03

9-5/8"

LTC

269.88*266.70

25.45

9-5/8"

BTC

269.88*269.88

23.16

10-3/4"

STC

298.45*203.20

20.78

10-3/4"

BTC

298.45*269.88

25.74

11-3/4'

STC

323.85*203.20

22.64

11-3/4'

BTC

323.85*269.88

28.03

13-3/8"

STC

365.12*203.20

25.66

13-3/8"

BTC

365.12*269.88

31.77

16"

STC

431.80*228.6

34.91

16"

BTC

431.80*269.88

40.28

18-5/8"

STC

508.00*228.60

51.01

18-5/8"

BTC

508.00*269.88

62.68

20"

STC

533.40*228.6

43.42

20"

LTC

533.4*292.10

57.04

20"

BTC

533.40*269.88

50.10