API 5CT steel pipe_Tianjin Fanggang Iron and Steel Co., Ltd

API 5CTSteel pipe

APIIt is the abbreviation of the American Petroleum Institute，Considered the most authoritative figure in the oil and gas industry、The most comprehensive principle。API 5BandAPI 5CTMainly used for oil casing。API 5CTOil casing can be divided into seamless steel pipes and welded steel pipes，Welded steel pipes mainly refer to straight seam steel pipes，Large diameter oil casing is generally made of submerged arc welded straight seam steel pipe。

Product Description

Product parameters

Product Name	API 5CTSteel pipe
standard	EN/DIN/JIS/ASTM/BS/ASME/AISIetc.
external diameter	seamless：1/4"-36"	welding：21.3mm-3620mm
	Round tube：1/2"-10"	Square tube/Rectangular tube：15x15-400x600mm
wall thickness	seamless：1.25mm-50mm	welding：1.65mm-65mm
length	3-12rice，Support customization
surfaceworkmanship	bright、polishing、black
Other services	machining(CNC)、Heartless grinding(CG)、heat treatment、annealing、pickling、polishing、rolling、forging、cutting、bend、Small scale processing, etc

chemical composition

Grade	C≤	Si≤	Mn≤	P≤	S≤	Cr≤	Ni≤	Cu≤	V≤	Als≤
API 5CT J55	0.34-0.39	0.20-0.35	1.25-1.50	0.020	0.015	0.15	0.20	0.20	/	0.020
API 5CT K55	0.34-0.39	0.20-0.35	1.25-1.50	0.020	0.015	0.15	0.20	0.20	/	0.020
API 5CT N80	0.34-0.38	0.20-0.35	1.45-1.70	0.020	0.015	0.15	/	/	0.11-0.16	0.020
API 5CT L80	0.15-0.22	1.00	0.25-1.00	0.020	0.010	12.0-14.0	0.20	0.20	/	0.020
API 5CT J P110	0.26-035	0.17-0.37	0.40-0.70	0.020	0.010	0.80-1.10	0.20	0.20	0.08	0.020

Mechanical performance

Grade	yield strength(Mpa)	tensile strength(Mpa)
API 5CT J55	379-552	≥517
API 5CT K55	≥655	≥517
API 5CT N80	552-758	≥689
API 5CT L80	552-655	≥655
API 5CT P110	758-965	≥862

Application scope

API 5CTOil casing is mainly used for transporting oil、natural gas、coal gas、Water and other liquids，Gas。

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