Our K55 Oil Casing Pipes, made in compliance with API 5CT standards, are designed for use in oil and gas drilling operations, including natural gas exploration and extraction. These seamless steel pipes are manufactured from high-quality steel and are specifically engineered to withstand the harsh conditions encountered in the oil and gas industry. The K55 grade provides a high degree of strength, durability, and resistance to corrosion, making it ideal for use in deep wells, high-pressure environments, and challenging underground conditions. Available in 273 mm diameter and 28 mm wall thickness, this API 5CT seamless tubing is widely used for casing applications in the oil and gas sector, ensuring the structural integrity and safety of wells during drilling and production. The K55 grade is known for its excellent performance in natural gas wells, providing reliable protection against wear, pressure, and temperature variations.
Key Features:
Applications:
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Products Name
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API 5CT seamless steel pipe for oil pipeline
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Standard
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API SPEC 5CT , API SPEC 5B , ISO 11960
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Material
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J55、K55、N80-1、N80-Q、L80-1、 P110
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OD(outer diameter)
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48.26mm-508mm
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WT(wall thickness)
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3.68mm-22.22mm
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Length
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R1(4.88m~7.62m), R2(7.62m~10.36m) ,R3(10.36m~12m)
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Thread type
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oil casing : Long circle (lc8rd), Short circle (stc8rd), Side ladder buckle (btc)
oil tubing : non-upset, external upset
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Package
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Spray paint, bevel, pipe cap, galvanized steel tape bundling and lifting belt overall woven bag packaging.
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Application
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make oil and natural gas pipelines,
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Product name
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Material
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Standard
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Size(mm)
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Application
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Low temperature tube |
16MnDG
10MnDG 09DG 09Mn2VDG 06Ni3MoDG ASTM A333 |
GB/T18984-
2003 ASTM A333 |
OD:8-1240*
WT:1-200 |
Apply to - 45 ℃ ~ 195 ℃ low temperature pressure vessel and low temperature heat exchanger pipe
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High-pressure boiler tube |
20G
ASTMA106B ASTMA210A ST45.8-III |
GB5310-1995
ASTM SA106 ASTM SA210 DIN17175-79 |
OD:8-1240*
WT:1-200 |
Suitable for manufacturing high pressure boiler tube, header, steam pipe, etc
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Petroleum cracking tube
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10
20 |
GB9948-2006
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OD: 8-630*
WT:1-60 |
Used in oil refinery furnace tube, heat exchanger tube
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Low medium pressure boiler tube |
10#
20# 16Mn,Q345 |
GB3087-2008
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OD:8-1240*
WT:1-200 |
Suitable for manufacturing various structure of low and medium pressure boiler and locomotive boiler
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General structure of the tube |
10#,20#,45#,27SiMn
ASTM A53A,B 16Mn,Q345 |
GB/T8162-
2008 GB/T17396- 1998 ASTM A53 |
OD:8-1240*
WT:1-200 |
Apply to the general structure, engineering support, mechanical processing, etc
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Oil casing |
J55,K55,N80,L80
C90,C95,P110 |
API SPEC 5CT
ISO11960 |
OD:3.68-12.65*
WT:48.3-177.8 length:R1(4.88m~7.62m), R2(7.62m~10.36m) ,R3(10.36m~12m)
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Used for extraction of oil or gas in oil Wells casing, used in oil and gas well sidewall
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Oil tubing
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j55、k55、n80-1、n80-q、l80-1、p110
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API SPEC 5CT
ISO11960 |
length:R1(4.88m~7.62m), R2(7.62m~10.36m)
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Tianjin Yichengtong Steel Trade Co., Ltd is a large scale and comprehensive company, which is professional in iron & steel products. Our company located in Steel City Tianjin, which is quite near Tianjin Xingang Port. Our ultimate goal is to build up a respectable and great company with global standing.
Tianjin Yichengtong Steel Trade Co., Ltd was founded in Jan. 2008 . As an excellent international company in Tianjin, we are working together with many famous iron and steel manufacturers with steel pipe, steel plate, steel coil, steel rod, channel, beam steel and our products sells well all of the world, such like Korea, Russia, USA, Italy, Germany, Chile, Peru, Colombia, Vietnam, Philippines, Malaysia, Singapore, Indonesia, etc. Our products always receive a wide range of social praise and acclaim.
As a reliable partner, we will offer high technology, qualified products and excellent services. Sincerely hope to cooperate with all of our clients at home and abroad for mutual benefits and development.
Q: Are you trading company or manufacturer ?
A: We are trading company, export since 2008.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Q: What about inspection?
A: The material with Mill test certificate, also the client could inspect the cargo before shipment or by third party inspection.
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