We can manufacture CASING & TUBING on various size, grade and connection, please click here to contact us.
Product Name | CASING & TUBING |
Connection | Used for low pressure liquid delivery, such as water, gas, and oil. Oil drilling and machinery manufacturing, etc. |
Product | API 5CT Tubing |
Diameter | 1.9" - 4-1/2" |
Steel Grade | J55/ K55, N80-1, N80Q, L80,C90, T95, P110 |
Ends | PE, STC, LTC, BTC, EU,NU |
Product | API 5CT Casing |
Diameter | 4-1/2" -20" |
Steel Grade | J55/ K55, N80-1, N80Q, L80,C90, T95, P110 |
Ends | PE, STC, LTC, BTC, EU,NU |
Product | API 5DP Drill Pipe |
Diameter | 2-3/8" - 6-5/8" |
Steel Grade | E75, X95, G105, S135 |
Both ERW steel pipe and Seamless steel pipe can be used as casing and tubing. Xinyue has over 30 years experience of producing casing and tubing. Casing and Tubing are widely used in oil pipe and gas pipe. API 5CT Casing includes H40 casing, J55 casing, K55 casing, M65 casing, L80 casing, R95 casing, N80 casing, C90 casing, T95 casing, C110 casing, P110 casing, Q125 casing. API 5CT Tubing includes H40 tubing, J55 tubing, K55 tubing, L80 tubing, R95 tubing, N80 tubing, C90 tubing, T95 tubing, P110 tubing.
Chemical compositions of casing pipe
Standard | Grade | Chemical compositions(%) | |||||||||
API SPEC 5CT | J55 | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V |
K55 | 0.34~0.39 | 0.20~0.35 | 1.25~1.50 | ≤0.020 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 | / | / | |
N80 | 0.34~0.38 | 0.20~0.35 | 1.45~1.70 | ≤0.020 | ≤0.015 | ≤0.15 | / | / | / | 0.11~0.16 | |
L80 | 0.15~0.22 | ≤1.00 | 0.25~1.00 | ≤0.020 | ≤0.010 | 12.0~14.0 | ≤0.20 | ≤0.20 | / | / | |
P110 | 0.26~0.395 | 0.17~0.37 | 0.40~0.70 | ≤0.020 | ≤0.010 | 0.80~1.10 | ≤0.20 | ≤0.20 | 0.15~0.25 | ≤0.08 |
Grade | Type | Total elongation under load (%) | Yield strength (min)Mpa | Yield strength (max)Mpa | Tensile strength min Mpa | Hardness Max (HRC) | Hardness Max (HBW) |
J55 | - | 0.5 | 379 | 552 | 517 | - | - |
K55 | - | 0.5 | 379 | 552 | 655 | - | - |
N80 | 1 | 0.5 | 552 | 758 | 689 | - | - |
N80 | Q | 0.5 | 552 | 758 | 689 | - | - |
L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
C90 | - | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
C95 | - | 0.5 | 655 | 758 | 724 | - | - |
T95 | - | 0.5 | 655 | 758 | 724 | 25.4 | 255 |
P110 | - | 0.6 | 758 | 965 | 862 | - | - |
Q125 | All | 0.65 | 862 | 1034 | 931 | - | - |
Shipping--- by container (Apply to a few or common quantity) or in bulk ( Apply to huge quantity)
1. Q: Are you a factory or trading company?
A: We are professional manufacturer for steel pipe, and our company also is a very professional a trade company for steel products.we can also provide a wide range of steel products.
2. Q: Can I get samples before order ?
A: Samples can be provided free of charge, and the freight will be paid by the demander.
3. Q:what is your delivery time ?
A: Our delivery time is about one week, timing according to the number of customers.
4. Q:What is your payment terms?
A: Our usual payment methods are T/T, L/C,payment methods can be negotiated and customized with customers
5.Q:What do your factory do regarding quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.
6. Q:How can you ensure what I got will be good ?
A: MADE in CHINA, will act as our guarantor. If the product fails the inspection before leaving the factory, you can refuse to accept the goods.