API 5CT Pipe

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API 5CT Pipe

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Api5ct petroleum casing can be divided into seamless steel pipe and welded steel pipe. Welded steel pipe mainly refers to straight seam steel pipe, and large diameter petroleum casing is generally submerged arc welded straight seam steel pipe. The main application countries of this product are mainly distributed in the Middle East, Europe and America. Api5ct oil casing can be divided into R-1, R-2 and R-3 specifications according to different lengths. Main materials The main materials are B, X42, X46, X56, X65, X70, etc. In extreme high-temperature and high-pressure environments, oil casing pipes have their own unique natural advantages. Api5ct oil casing shall be subjected to flattening test, tensile test, impact test, tensile test and other related tests from raw materials to products before leaving the factory.

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PRODUCT DETAILS

Standard	API SPEC 5CT
Material	J55,K55,N80,L80,C90,C95,P110, Super 13Cr, etc
OD	1/8"-48",10mm-1219mm
WT	SCH5,SCH10,SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS,0.8-19mm
Usage	carbon steel pipe applies to boiler,Structure Use, water transport, Building, Machinery, Traffic,Oil development and so on
Other test	HY,ET or according to request
Length	2-12m Random,5.8M FIXED,6M FIXED,9M FIXED,11.8M
Surface	Black paint ,Galvanized as rusty protect, capped ends
Ends	2"below plain ends,2" above beveled ends, threaded ends available
Method	140mm below cold drawn,140mm above hot rolled,273mm above hot expand

Mechanical properties：

Standard	Brand	Tensile strength (MPa)	Yield strength link (MPa)	Hardness
API SPEC 5CT	J55	≥517	379-552
	K55	≥517	≥655
	N80	≥689	552-785
	L80(13Cr）	≥655	552-655	≤241HB
	p110	≥862	758-965

Chemical composition:

Standard

Brand

Als

APlSPC5CT

J55K55(37Mn5)

0.34~0.39

0.20~0.35

1.25～1.50

≤0.02

≤0.015

≤0.15

≤0.20

≤0.020

N80 (36Mn2V)

0.34~0.38

0.20～0.35

1.45~～1.70

≤0.02

≤0.015

≤0.15

0.11~0.16

≤0.020

L8O(13Cr)

0.15~0.22

≤0.1

0.25~1.00

≤0.020

≤0.010

12.0~14.0

≤0.20

≤0.020

P110(3OCrMo)

0.26~0.35

0.17~0.37

0.40~～0.70

≤0.02o

≤0.010

0.80~1.10

≤0.20

0.15~0.25

0.08

≤0.020

Theoretical weight scale：

Outer diameter	Theoretical weight	Wall thickness	inner diameter	size	Collar diameter	Screw type	Grade	length
139.7	20.85（0.244）	6.20(0.244)	127.3(5.012)	124.1(4.887)	153.7	Round thread	j55	8m-12m
（5-1/2）	23.09（15.50）	6.98(0.275)	125.7(4.950)	122.6(4.825)	-6.05	Partial ladder thread	n80	(2602-39.4)
	25.32（17.00）	7.72(0.304)	124.3(4.892)	121.1(4.767)			p110
	29.79（20.00）	9.17(0.361)	121.4(4.778)	118.2(4.653)
	34.26（23.00）	10.54(0.415)	118.6(4.670)	115.4(4.545)
177.8	25.52917.00	5.87(0.231)	166.1(6.538)	162.9(6.413)	194.5	Round thread	j55	8m-12m
-7	29.79（20.00）	6.91(0.272)	164.2(6.456)	160.8(6.331)	-7.656	Partial ladder thread	n80	(2602-39.4)
	34.26（23.00）	8.05(0.317)	161.7(6.366)	158.5(6.204)			p110
	38.73（26.00）	9.19(0.362)	159.4(6.276)	156.2(6.151)
	43.20（29.00）	10.36(0.408)	157.1(6.180)	153.9(6.059)
	47.66（32.00）	11.51(0.453)	154.8(6.090)	151.6(5.969)
	52.13（35.00）	12.65(0.498)	152.5(6.004)	149.3(5.879)
	56.60（38.00）	13.72(0.540)	150.4(5.430)	147.2(5.795)
219.1	35.75（24.00）	6.71(0.264)	205.7(8.093)	202.5(7.972)	244.5	Round thread	j55	8m-12m
（8-5/8）	41.71（28.00）	7.72(0.304)	203.7(8.020)	200.5(7.894)	-9.625	Partial ladder thread	n80	(2602-39.4)
	47.66（32.00）	8.94(0.352)	201.2(7.927)	198.0(7.795)			p110
	53.62（36.00）	10.16(0.400)	198.8(7.827)	195.6(7.701)
	59.58（40.00）	11.43(0.450)	196.2(7.724)	193.0(7.598)
244.5	48.11(32.30)	7.92(0.312)	228.7(9.001)	244.7(8.845)	269.6	Round thread	j55	8m-12m
（9-5/8）	53.62（36.00）	8.94(0.352)	226.6(8.921)	222.6(8.765)	(10.6250	Partial ladder thread	n80	(2602-39.4)
	59.58（40.00）	10.03(0.395)	224.4(8.835)	220.4(8.679)			p110
	64.79（43.50）	11.05(0.435)	222.4(8.755)	218.4(8.599)
	70.01（47.00）	11.99(0.472)	220.5(8.681)	216.5(8.525)
	71.69（53.50）	13.84(0.545)	216.8(8.535)	212.8(8.379)
273	48.78（32.75）	7.09(0.279)	258.9(10.192)	254.9(10.035)	298.5	Round thread	j55	8m-12m
（10-3/4）	60.32（40.50）	8.89(0.350)	255.3(10.050)	251.3(9.894)	-11.752	Partial ladder thread	n80	(2602-39.4)
	67.77（45.50）	10.26(0.400)	252.7(9.950)	248.8(9.794)			p110
	75.96（51.00）	11.43(0.450)	250.2(9.850)	246.2(9.694)
	82.67（55.50）	12.57(0.495)	247.9(9.760)	243.9(9.604)
339.7	71.50（48.00）	8.38(0.330)	322.9(12.715)	319.0(12.559)	365.1	Round thread	j55	8m-12m
（13-3/8）	81.18（54.50）	9.65(0.380)	320.4(12.615)	316.5(12.459)	-14.374	Partial ladder thread	n80	(2602-39.4)
	90.86（61.00）	10.92(0.430)	317.9(12.515)	313.9(12.359)			p110
	101.69（68.00）	12.19(0.480)	315.3(12.415)	311.4(12.259)
73	9.53（6.40）	5.51(0217)	62.00(2.441)	59.61(2.347)	88.9	Round thread	j55	8.5m-9.5m
（2-7/8）	11.62（7.90）	7.01(0.276)	59.00(2.323)	56.62(2.229)	-3.5		n80	(27.9-31.2)
	12.81（8.60）	7.82(0.308)	57.40(2.259)	54.99(2.165)
88.9	11.47（7.70）	5.49(0.216)	77.9(3.067)	24.25(2.943)	107.95	Round thread	j55	8.5m-9.5m
（3-1/2）	15.19（10.20）	7.34(0.289)	76.0(2.992)	21.04(2.797)	-4.25	Round thread	n80	(27.9-31.2)
114.3	18.77（12.60）	6.88(0.271)	100.5(3.957)	97.37(3.833)	132.08	Round thread	j55	8.5m-9.5m
（4-1/2）	18.77（12.60）	6.88(0.271)	100.5(3.957)	97.37(3.833)	-5.2	Round thread	n80	(27.9-31)