API Slotted Casing,Steel Pipe Elbow,Precision Steel Tube,Pipe Fittings

API Slotted Casing

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API Slotted Casing

Category : OCTG

Product Name	API Slotted Casing
Application	Used for Walls Structural Retainers and Screen Pipes for Oil, Gas and Water Wells
Size	OD: 50mm - 500mm WT: less than 20mm LENGTH: less than 15m
Standard	API , API5CT J55/K55/N80/C75/L80/C90/T95/Q125
End	Beveled, Square Cut, With LTC/STC/BTC/VAM Connection
Type	SMLS/ERW
Surface	Anti-corrosion&water Based Paint
Packing	Protection Caps in Both Ends, Waterproof Paper Wrapped

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Description
Specification
Standard
Process
Packing

Product Advantages of API Slotted Casing
1.Good verticality of cutting edge, smooth cutting edge, no burr, even cutting seam.
2.Large overflow area, 27/8 "screen with 300 slits /1.5m, 2.4 times larger than the overflow area of tubing of the same specification.
3.The anticorrosion treatment improves the corrosion resistance and wear resistance of the screen pipe, and can extend its underground working life.
4.The slotted pipe is processed by J55 or N80 oil casing body, with high strength and not easy deformation.

Chemical Composition

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

Mechanical Properties

Grade	Type	Total elongation under load (%)	Yield strength (min)	Yield strength (max)	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	-	-