Petroleum Steel Pipe
Petroleum steel pipe offers high pressure resistance, superior corrosion resistance and excellent weldability, designed for harsh oil and gas environments. Ideal for drilling, transmission pipelines, offshore platforms and refinery systems, these pipes can withstand extreme temperatures, acid/alkaline conditions and seismic stresses.
WhatsApp :+86 19026837752
Phone :+86 19026837752
Email :admin@cnjinxisteel.com

PRODUCT PARAMETERS


API 5CT N80 casing pipe chemical composition:

Grade

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

N80

0.34-0.38

0.20-0.35

1.45-1.70

≤0.020

≤0.015

≤0.15

/

/

/

0.11-0.16

API 5CT N80 casing pipe mechanical properties:


Grade

Type

Total elongationunder load %

Yield strength MPa

Tensile strength min. MPa

min.

max .


N80

1

0.5

552

758

689

N80

Q

0.5

552

758

689


API 5CT N80 casing pipe specification:
Thread type: SC (Short round thread), LC (Long round thread), BC (Buttress thread)
Length: R1 (4.88-7.62m), R2 (7.62-10.36m), R3 (10.36-14.63m)

Outer  Diameter

Wall Thickness

Weight

Threaded

Length

in

mm

kg/m

lb/ft

4 1/2″

114.3

14.14-22.47

9.50-11.50

LTC/STC/BTC

R1/R2/R3

5″

127

17.11-35.86

11.50-24.10

LTC/STC/BTC

R1/R2/R3

5 1/2″

139.7

20.83-34.23

14.00-23.00

LTC/STC/BTC

R1/R2/R3

6 5/8″

168.28

29.76-35.72

20.00-24.00

LTC/STC/BTC

R1/R2/R3

7″

177.8

25.30-56.55

17.00-38.00

LTC/STC/BTC

R1/R2/R3

7 5/8″

193.68

35.72-63.69

24.00-42.80

LTC/STC/BTC

R1/R2/R3

8 5/8″

219.08

35.72-72.92

24.00-49.00

LTC/STC/BTC

R1/R2/R3

9 5/8″

244.48

48.07-86.91

32.30-58.40

LTC/STC/BTC

R1/R2/R3

10 3/4″

273.05

48.73-97.77

32.75-65.70

LTC/STC/BTC

R1/R2/R3

11 3/4″

298.45

62.50-89.29

42.00-60.00

LTC/STC/BTC

R1/R2/R3

13 3/8″

339.72

71.43-107.15

48.00-72.00

LTC/STC/BTC

R1/R2/R3



PRODUCT SHOW

油化管拼图.jpg

PACKAGING AND TRANSPORT

FAQ

Q1. What is your terms of Packing?

A: Generally we pack your goods with Neutral English bag, PP Woven bag with PE inner bag. If you have your own legally registered sack design, we can pack your goods with your brand and design bags after getting your authorization letter.

Q2. What is your terms of payment?

A: Normally 30% TT as deposit in advance, and 70% TT after email the copy of BL. Or LC at sight. We'll show you the photos pf your goods and package before you arrange the payment.

Q3. What is your terms of delivery?

A: Normally we do FOB, CFR, CIF terms.

Q4. How about your delivery date?

A: Normally it will takes 10~15 days after receive the deposit. The specific delivery time depends on the items and the quantity of the order.

Q5. Can you produce according to the sample?

A: Yes, we can produce by your samples or the specification you provide.

CONTACT US

PRODUCT RECOMMENDATION