API 5CT L80 ソールサービス用ケーシングパイプ

API 5CT is a specification for casing and tubing for petroleum and natural gas industries-used for wells. This Standard specifies the technical delivery conditions for steel pipes (casing, tubing and pup joints), coupling stock, coupling material and accessory material and establishes requirements for three Product Specification Levels (PSL-1, PSL-2, PSL-3). Grade L80 Casing Tubing is an API 5CT oil ケーシングパイプ and mostly utilized for oil well L80 is often used in wells under sour (H2S) environments with varied end connections such as non-upset ends or an external upset end.

There are three types for API 5CT L80 oilfield casing pipes: L80 type 1, L80 type 9Cr, and L80 type 13Cr. L80 type 1 is utilized during the H2S condition, while L80 type 9Cr and 13Cr are used for the CO2 application. WLD steel is a leading API 5CT casing and tubing manufacturer and supplier, we provide not only a broad range of API 5CT L80 oilfield casing pipe and API 5CT L80 tubing but also casing coupling, perforated pipe and more.

API 5CT Grade L80 Casing Tubing Color Codes

名前	ケーシング	カップリング
L80-1	A red band + a brown band	Entire red coupling + a brown band

API 5CT L80 Chemical Composition

グレード	C	シィ	Mn	P	S	Cr	ニ	Cu
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

API 5CT L80 Mechanical Property

成績	耐応力（MPa）	引張強度（MPa）	負荷下での伸び、 %	Hardness, HRC
L80 type 1	552-655	655	0.5	23
L80 type 9Cr	552-655	655	0.5	23
L80 type 13Cr	552-655	655	0.5	23

API 5CT L80 Tolerance

アイテム		許容範囲
外径	パイプ本体	D≤101.60mm±0.79mm
		D≥114.30mm+1.0%
		-0.5%
壁の厚さ		-12.5%
ワイット	単一の作品	+6.5%+3.5%
	総重量	-1.75

API 5CT L80 Size Chart

外径		壁の厚さ	重量	グレード	ネジ付き	長さ
in	mm	kg/m	lb/ft
4 1/2″	114.3	14.14-22.47	9.50-11.50	L80	LTC/STC/BTC	R1/R2/R3
5″	127	17.11-35.86	11.50-24.10	L80	LTC/STC/BTC	R1/R2/R3
5 1/2″	139.7	20.83-34.23	14.00-23.00	L80	LTC/STC/BTC	R1/R2/R3
6 5/8″	168.28	29.76-35.72	20.00-24.00	L80	LTC/STC/BTC	R1/R2/R3
7″	177.8	25.30-56.55	17.00-38.00	L80	LTC/STC/BTC	R1/R2/R3
7 5/8″	193.68	35.72-63.69	24.00-42.80	L80	LTC/STC/BTC	R1/R2/R3
8 5/8″	219.08	35.72-72.92	24.00-49.00	L80	LTC/STC/BTC	R1/R2/R3
9 5/8″	244.48	48.07-86.91	32.30-58.40	L80	LTC/STC/BTC	R1/R2/R3
10 3/4″	273.05	48.73-97.77	32.75-65.70	L80	LTC/STC/BTC	R1/R2/R3
11 3/4″	298.45	62.50-89.29	42.00-60.00	L80	LTC/STC/BTC	R1/R2/R3
13 3/8″	339.72	71.43-107.15	48.00-72.00	L80	LTC/STC/BTC	R1/R2/R3