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tubing and casing API SPEC 5CT API SPEC 5B parameters mechan

tubing and casing (API SPEC 5CT API SPEC 5B) parameters and mechanical properties

The parameters and mechanical properties of the the tubing and casing (APISPEC5CTAPISPEC5B)

Size deviation
Project		Allowable deviation
Outer diameter	Tube	D, ≤ 101.60mm ± 0.79mm
		D ≥ 114.30mm +1.0%
		-0.5%
	Coupling	± 1%
Wall thickness		-12.5%
Weight	Single	+6.5%
		+3.5%
	Vehicle the amount of	-1.75

Thread parameter tolerances
Varieties and specifications			Taper	Pitch		Tooth height	Thread angle	Thread length	Tube End Finishing	Standoff
				Per inch	Accumulative					Pipe thread	Coupling thread
Round thread tubing 2 3/8 "-51 / 2"	10 teeth / in		+5.208 -2.600	± 0.076	± 0.152	+0.051 -0.102	± 1 2/2	± 1 1/2P	+5 -0	± 1 1/2P	± 1 1/2P
	8 teeth / in		+5.208 -2.600	± 0.076	± 0.152	+0.051 -0.102	± 1 2/2	± 1P	+5 -0	± 1P	± 1P
Round Thread Casing 4 1/2 "-41 / 2"			+5.208 -2.600	± 0.076	± 0.152	+0.051 -0.102	± 1 2/2	± 1P	+5 -0	± 1P	± 1PP
Buttress thread casing	Coupling		+4.50 -2.50	± 0.051	± 0.102	± 0.025	-	-	+5 -0	+1 1/2P -0	+0 -1 1/2P
	Tube	The complete thread	+3.50 -1.50
		Incomplete thread	+4.50 -1.50

Chemical composition

Steel grade

min

max

min

max

min

max

min

max

J-55

K-55

N-80

L-80-1

C-90-1

C-90-2

C-95

T-95-1

T-95-2

P-110

M-65

80 SS

BG80T

BG110T

Mechanical properties
Gang-class	Yield strength (MPa)				Tensile strength (MPa)		Elongation
	Lowest		Lowest		Lowest		Lowest
	Psi	Mpa	Psi	Mpa	Psi	Mpa	HRC	BHN
J-55	55000	379	80000	552	75000	517	-	-
K-55	55000	379	80000	552	95000	655	-	-
N-80	80000	552	11000	758	100000	689	-	-
L-80-1	80000	552	95000	655	95000	655	23	241
C-90	90000	621	105 000	724	100000	689	25.4	255
C-95	95000	655	110 000	758	105 000	724	-	-
T-95	95000	655	110 000	758	125 000	724	25.4	255
P-110	110 000	758	140 000	965	100000	862	-	-
M-65	65000	448	85000	586	100000	689	22	235
80 SS	83000	570	99000	680	100000	689	23	241
BG80T	80000	552	110 000	758	100000	689	-	-
BG110T	110 000	758	140 000	965	125 000	862	-	-

Length
Project	Range 1	Range 2	Scope 3
Tubing	6.10-7.32m	8.53-9.75m	-
Casing	4.88-7.62m	7.62-10.36m	10.36-14.63m

tubing and casing API SPEC 5CT API SPEC 5B

Heng letter Pipe implementation of standards: 10 #, 20 #, 35 #, 45 #, 20G, GB5310-95, St45.8-Ⅲ, GB/T8162-1999, GB/T8163-1999, GB3087-1999, GB9948 -88, GB6479-86, GB5312-99, GB/T9711.1-97, 16Mn steel pipe, 27simn, 15crmo, 15CrMoG.35crmo, cr5mo, 40cr, 10CrMo910, 12Cr1MoVG, A335P22, D240, D250, L245, L290, L320, L360, L390, N80, 15mnv, A335p91. and so on.

Stainless steel seamless tube material: 0Crl8Ni9, 1Crl8Ni9Ti, 00Crl7Nil4M02 0Crl7Ni12Mo2N, 00Crl9Ni1O 0Crl8Nil2M02Ti, 0Cr25Ni20 OOCrl9Nil3M03, etc.; the United States Material: 301, 302, 304, 304L, 305,316, 316L, 316Ti, 317, 317L, 310S , 321, C321, 347.

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