Line Pipe - 北京韦肯新能源技术服务有限公司

Line pipe

Uses：For conveying water, oil&gas in the oil&gas industries
Line pipe& process pipe

Onshore service

Offshore/subsea service

Sour service

Welkin can provide full range of pipe lines of superior quality, including those of high strength, high toughness, homogeneous materials and corrosion resistance, for various services such as onshore, offshore, non-sour and sour services, shallow water and deep water

Type	Grd. Min	Grd. Max	OD Min mm	OD Max mm	WT Min mm	WT Max mm	Yield MT/a
SMLS	B	X80Q	21.3	1067	2	150	2000000
HFW	B	X80M	219.1	610	4	19.1	2000000
SAWL	B	X100M	508	1422	6	40	2000000

Chemical Analysis(%)

Standard	Type of pipe			Class	Grade						C		Si		Mn		P			S			V		Nb		Ti		CE^a	Pcm^b	Remark
											max		max		max		max			max			max		max		max		max	max
API SPEC 5L ISO 3183 GB/T 9711	SMLS			PSL1	L210orA						0.22		-		0.90		0030			0.030			-		-		-		-	-	e,o
					L245 or B						0.28		-		1.20		0030			0.030			-		-		-		-	-	c,d,e,o
					L290 orX42						0.28		-		1.30		0.030			0.030			-		-		-		-	-	d,e,o
					L320 orX46						0.28		-		1.40		0030			0.030			-		-		-		-	-	d,e,o
					L360 orX52						0.28		-		1.40		0.030			0.030			-		-		-		-	-	d,e,o
					L390 orX56						0.28		-		1.40		0030			0.030			-		-		-		-	-	d,e,o
					L415 or X60						0.28		-		1.40		0.030			0.030			-		-		-		-	-	d,e,o
					L450 orX65						0.28		-		1.40		0030			0.030			-		-		-		-	-	d,e,o
					L485 or X70						0.28		-		1.40		0.030			0.030			-		-		-		-	-	d,e,o
				PSL2	L245N or BN						0.24		0.40		1.20		0025			0.015			-		-		0 04		043	0.25	c,f,o
					L290N or X42N						0.24		0.40		1.20		0.025			0.015			0.06		0.05		0.04		0.43	0.25	f,o
					L320N or X46N						0.24		0.40		1.40		0025			0.015			0.07		005		0 04		043	0.25	d,f,o
					L360N or X52N						0.24		0.45		1.40		0.025			0.015			0.10		0.05		0.04		0.43	0.25	d,f,o
					L390N or X56N						0.24		0.45		1.40		0025			0.015			0.10		005		0 04		043	0.25	d,f,o
					L415N or X60N						0.24		0.45		1.40		0.025			0.015			0.10		0.05		0.04		As agreed		d,g,o
					L245Q or BQ						0.18		0.45		1.40		0025			0.015			0.05		005		0 04		043	0.25	f,o
					L290Q or X42Q						0.18		0.45		1.40		0025			0.015			0.05		005		0 04		043	0.25	f,o
					L320Q or X46Q						0.18		0.45		1.40		0025			0.015			0.05		005		0 04		043	0.25	f,o
					L360Q or X52Q						0.18		0.45		1.50		0025			0.015			0.05		005		0 04		043	0.25	f,o
					L390Q or X56Q						0.18		0.45		1.50		O.D25			0.015			0.07		0.05		0.04		0.43	0.25	d,f,o
					L415Q or X60Q						0.18		0.45		1.70		0025			0.015			-		-		-		043	0.25	d,g,o
					L450Q or X65Q						0.18		0.45		1.70		O.D25			0.015			-		-		-		0.43	0.25	d,g,o
					L485Q or X70Q						0.18		0.45		1.80		0025			0.015			-		-		-		043	0.25	d,g,o
					L555Q or X80Q						0.18		0.45		1.90		O.D25			0.015			-		-		-		As agreed		h,i
				For sour service	L245NS or BNS						0.14		0.40		1.35		0020			0.008			-		-		0 04		0 36	0.22	c,d,j,k
					L290NS or X42NS						0.14		0.40		1.35		0.020			0.008			0.05		0.05		0.04		0.36	0.22	j,k
					L320NS or X46NS						0.14		0.40		1.40		0020			0.008			0.07		005		0 04		0 38	0.23	d,j,k
					L360NS or X52NS						0.16		0.45		1.65		0.020			0.008			0.10		0.05		0.04		0.43	0.25	d,j,k
					L245QS or BQS						0.14		0.40		1.35		0020			0.008			0.04		004		0 04		0 34	0.22	j,k
					L290QSor X42QS						0.14		0.40		1.35		0020			0.008			0.04		004		0 04		0 34	0.22	j,k
					L320QSor X46QS						0.15		0.45		1.40		0020			0.008			0.05		005		0 04		0 36	0.23	J,k

					L360QS or X52QS						0.16		0.45		1.65		0020			0.008			0.07		005		0 04		0 39	0.23	d,j,k
					L390QS or X56QS						0.16		0.45		1.65		0.020			0.008			0.08		0.05		0.04		0.40	0.24	d,J,k
					L415QS or X60QS						0.16		0.45		1.65		0020			0.008			0.08		005		0 04		041	0.25	d,j,k
					L450QS or X65QS						0.16		0.45		1.65		0.020			0.008			0.09		0.05		0.06		0.42	0.25	d,j,k
					L485QS or X70QS						0.16		0.45		1.65		0020			0.008			0.09		005		0 06		042	0.25	d,j,k
				For offshore service	L245NO or BNO						0.14		0.40		135		0.020			0010							0.04		0.36	022	c,d,l,m
					L290NO or X42NO						0.14		0.40		1.35		0.020			0.010			0.05		0.05		0.04		0.36	0.22	1,m
					L320NO or X46NO						0.14		0.40		140		0.020			0010			0 07		005		0.04		0.38	023	d,l,m
					L360NO or X52NO						0.16		0.45		1.65		0.020			0.010			0.10		0.05		0.04		0.43	0.25	d,I
					L245QO or BQO						0.14		0.40		135		0.020			0010			0 04		004		0.04		0.34	022	l,m
					L290QOor X42QO						0.14		0.40		1.35		0.020			0.010			0.04		0.04		0.04		0.34	0.22	1, m
					L320QO or X46QO						0.15		0.45		140		0.020			0010			0 05		005		0.04		0.36	023	1,m
					L360QO or X52QO						0.16		0.45		165		0.020			0010			0 07		005		0.04		0.39	023	d,l,n
					L390QO or X56QO						0.15		0.45		1.65		0.020			0.010			0.07		0.05		0.04		0.40	0.24	d,l,n
					L415QO or X60QO						0.15		0.45		165		0.020			0010			0 08		005		0.04		0.41	025	d,l,n
					L455QO or X65QO						0.15		0.45		1.65		0.020			0.010			0.09		0.05		0.06		0.42	0.25	d,l,n
					L485QO or X70QO						0.17		0.45		175		0.020			0010			0 10		005		0.06		0.42	025	d,l,n
					L555QO or X80QO						0.17		0.45		1.85		0.020			0.010			0.10		0.06		0.06		As agreed		d,l,n
	Welded pipe			PSL1	L245or B						0.26		-		1.20		0.030			0.030			-		-		-		-	-	c,d,e,o
					L290 orX42						0.26		-		130		0.030			0030			-		-		-		-	-	d,e,o
					L320 orX46						0.26		-		1.40		0.030			0.030			-		-		-		-	-	d,e,o
					L360 orX52						0.26		-		140		0.030			0030			-		-		-		-	-	d,e,o
					L390 orX56						0.26		-		1.40		0.030			0.030			-		-		-		-	-	d,e,o
					L415 orX60						0.26		-		140		0.030			0030			-		-		-		-	-	d,e,o
					L450 orX65						0.26		-		145		0.030			0030			-		-		-		-	-	d,e,o
					L485 orX70						0.26		-		165		0.030			0.030			-		-		-		-	-	d,e,o
				PSL2	L245M or BM						0.22		0.45		120		0.025			0015			0 05		005		0.04		0.43	025	f,o
					L290M or X42M						0.22		0.45		130		0.025			0015			0 05		005		0.04		0.43	025	f,o
					L320M or X46M						0.22		0.45		1.30		0.025			0.015			0.05		0.05		0.04		0.43	0.25	f,o
					L360M or X52M						0.22		0.45		140		0.025			0015			-		-		-		0.43	025	d,f,o
					L390M or X56M						0.22		0.45		1.40		0.025			0.015			-		-		-		0.43	0.25	d,f,o
					L415M or X60M						0.12		0.45		160		0.025			0015			-		-		-		0.43	025	d,g,o
L450M or X65M					0.12	0.45	1.60			0.025		0.015			-	-		-			0.43	0.25		d,g,o
L485M or X70M					0.12	0.45	170			0.025		0015			-	-		-			0.43	025		d,g,o
L555M or X80M					0.12	0.45	1.85			0.025		0.015			-	-		-			0.43	0.25		d,g,o
Welded pipe				For sour service	L245MS or BMS						0 10		0.40		125		0.020			0002			004		0.04		004		-	019	j,k
					L290MSor X42MS						0.10		0.40		1.25		0.020			0.002			0.04		0.04		0.04		-	0.19	j,k
					L320MSor X46MS						O10		0.45		135		0.020			0002			005		0.05		004		-	020	j,k
		L360MSor X52MS				0.10	0.45		1.45		0.020			0.002		0.05		0.06		0.04			-	0.20		j,k
		L390MS or X56MS				O10	0.45		145		0.020			0002		006		0.08		004			-	0 21		d,j,k
		L415MS or X60MS				0.10	0.45		1.45		0.020			0.002		0.08		0.08		0.06			-	0.21		d,j,k
		L450MS or X65MS				O10	0.45		160		0.020			0002		0 10		0.08		006			-	022		d,j,k
		L485MS or X?OMS				0.10	0.45		1.60		0.020			0.002		0.10		0.08		0.06			-	0.22		d,j,k
		For offshore service	L245MO or BMO					O12		0.40	125			0.020		0010			004		0.04		004			-	019	l,m
			L290MO or X42MO					0.12		0.40	1.35			0.020		0.010			0.04		0.04		0.04			-	0.19	1, m
			L320MO or X46MO					O12		0.45	135			0.020		0010			005		0.05		004				020	l,m
			L360MO or X52MO					0.12		0.45	1.65			0.020		0.010			0.05		0.05		0.04			-	0.20	d,l,n
			L390MO or X56MO					O12		0.45	165			0.020		0010			006		0.08		004			-	0 21	d,1,n
			L415MO or X60MO					0.12		0.45	165			0.020		0010			008		0.08		0.06			-	0.21	d,l,n

			L450MO or X65MO					O12		0.45	165			0.020		0010			0 10		0.08		006			-	0.222	d,1,n
			L485MO or X70MO					O12		0.45	175			0.020		0010			0 10		0.08		0.06			-	022	d,l,n
			L555MO or X80MO					O12		0.45	185			0.020		0010			0 10		0.08		006			-	024	d,1,n

a CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15

b Pcm=C+Si/30+(Mu+Cu+Cr)/20+Ni/60+Mo/15+V/10+5B

c Nb+v≤0.06%

d Nb+V+Ti≤0.15%

e Cu≤0.50%, Ni≤0.50%, Cr≤0.50%, Mo≤0.15%

f Cu≤0.50%, Ni≤0.50%, Cr≤0.50%, Mo≤0.15%

g Cu≤0.50%, Ni≤0.50%, Cr≤0.50%, Mo≤0.15%

h Cu≤0.50%, Ni≤0.50%, Cr≤0.50%, Mo≤0.15%

i B≤0.004%

j AItot≤0.060%, N≤0.012%, AI/N≥2, Cu≤0.35%, Ni≤0.30%, Cr≤0.30%, Mo≤0.15%, B≤0.0005%

k for SMLS and welded pipe Ca≤0.006%

I ALtot≤0.06%, N≤0.012%, AL/N≥2

m Cu≤0.35%, Ni≤0.30%, Cr≤0.30%, Mo≤0.10%, B≤0.0005%

n Cu≤0.50%, Ni≤0.50%, Cr≤0.50%, Mo≤0.50%, B≤0.0005%

o B≤0.001%

Mechanical properties

Grade	Tield Strength Rt0.5 (Mpa)		Tensile Strength Rm (Mpa)		Ratio Rt/Rm(%)	Hardness HV10	Full Size CVN Absorded Energy AKJ(0℃,VT)
	Min.	Max.	Min.	Max.	Max.	Max.	Min.
L245NS or BNS L245QS or BQS L245NO/L245NS or BNO/BNS L245QO/L45QS or BQO/BQS	245	450	415	655	0.85	220	30
L290NS or X42NS L290QS or X42QS L290NO/L290NS or X42NO/X42NS L290QO/L290QS or X42QO/X42QS	290	495	415	655	0.85	220	32
L320NS or X46NS L320QS or X46QS L320NO/L320NS or X46NO/X46NS L320QO/L320QS or X46QO/X46QS	320	530	435	655	0.85	220	36
L360NS or X52NS L360QS or X52QS L360NO/L360NS or X52NO/X52NS L360QO/L360QS or X52QO/X52QS	360	525	460	760	0.85	230	42
L360NS or X52NS L360QS or X52QS L360NO/L360NS or X52NO/X52NS L360QO/L360QS or X52QO/X52QS	390	540	490	760	0.85	240	42
L415QS or X60QS L415QO/L415QS or X60QO/X60QS	415	565	520	760	0.93	250	50
L450QS or X65QS L450QO/L450QS or X65QO/X65QS	450	570	535	760	0.93	250	50
L485QS or X70QS L485QO/L485QS or X70QO/X70QS	485	605	570	760	0.93	250	50

Toughness

Grade

Transverse Minimum Impace of Pipe Body
(J)(1)(2)(3)

Transverse Minimum Impact of Weld(J)

D≤508

508mm<D≤762mm

762mm<D≤914mm

914mm<D≤1219mm

1219mm<D≤1422mm

D<1422mm

D=1422mm

≤ L415 or X60

27(20)

40(30)

27(20)

40(30)

> L415 or X60

≤ L450 or X65

27(20)

40(30)

54(40)

27(20)

40(30)

> L450 or X65

≤L485 or X70

27(20)

40(30)

54(40)

27(20)

40(30)

> L485 or X70

≤L555 or X80

40(30)

54(40)

27(20)

40(30)

Note: (1)The value in the table be suitable for the full size standard sample.

(2)The value inside bracket is the minimum single value, outside bracket is the average value.
(3)Test temperature: 0℃