L245 pipeline ，8-1240×1-200mm, API SPEC standard, mainly used for gas, water and oil transportation in the natural gas industry.
API SPEC 5L GB/T9711.1 GB/T9711.2
L245 Pipeline SteelPipe specification
8-1240×1-200mm, American standard specification: 1/4 "-28",13.7-711.2mm
L245 pipeline steel, existing in the workshop;60, 90 punch, six cold-dialing production lines and one hot-rolling production line, mainly producing 20mm -- 127mm cold-rolled seamless steel pipe with outer diameter;The two are 325MMASSRL pipe rolling machine, the largest three-roll pipe rolling machine in China, the use of mandrels pre-penetration and limited movement of small circulation, three computer control automation system, have reached the international advanced level, the main production of outer diameter 133mm-1020mm, wall thickness 16mm-300mm, diameter accuracy ±0.5%, wall thickness accuracy ±5% hot rolled thick wall seamless steel pipe.
The technical composition of L245 Pipeline Steel seamless steel pipe and welded pipe as bellow
Steel Grade
|
Mass fraction, % based on heat and product analyses Carbon Equiv a
|
C
|
Si
|
Mn
|
P
|
S
|
V
|
Nb
|
Ti
|
Other
|
CE IIW
|
CE Pcm
|
|
max b
|
max
|
max b
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
|
|
Seamless and Welded Pipe
|
BR
|
0.24
|
0.4
|
1.2
|
0.025
|
0.015
|
c
|
c
|
0.04
|
e,l
|
0.43
|
0.25
|
X42R
|
0.24
|
0.4
|
1.2
|
0.025
|
0.015
|
0.06
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
BN
|
0.24
|
0.4
|
1.2
|
0.025
|
0.015
|
c
|
c
|
0.04
|
e,l
|
0.43
|
0.25
|
X42N
|
0.24
|
0.4
|
1.2
|
0.025
|
0.015
|
0.06
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X46N
|
0.24
|
0.4
|
1.4
|
0.025
|
0.015
|
0.07
|
0.05
|
0.04
|
d,e,l
|
0.43
|
0.25
|
X52N
|
0.24
|
0.45
|
1.4
|
0.025
|
0.015
|
0.1
|
0.05
|
0.04
|
d,e,l
|
0.43
|
0.25
|
X56N
|
0.24
|
0.45
|
1.4
|
0.025
|
0.015
|
0.10f
|
0.05
|
0.04
|
d,e,l
|
0.43
|
0.25
|
X60N
|
0.24f
|
0.45f
|
1.40f
|
0.025
|
0.015
|
0.10f
|
0.05f
|
0.04f
|
g,h,l
|
As agreed
|
|
BQ
|
0.18
|
0.45
|
1.4
|
0.025
|
0.015
|
0.05
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X42Q
|
0.18
|
0.45
|
1.4
|
0.025
|
0.015
|
0.05
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X46Q
|
0.18
|
0.45
|
1.4
|
0.025
|
0.015
|
0.05
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X52Q
|
0.18
|
0.45
|
1.5
|
0.025
|
0.015
|
0.05
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X56Q
|
0.18
|
0.45f
|
1.5
|
0.025
|
0.015
|
0.07
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X60Q
|
0.18f
|
0.45f
|
1.70f
|
0.025
|
0.015
|
g
|
g
|
g
|
h,l
|
0.43
|
0.25
|
X65Q
|
0.18f
|
0.45f
|
1.70f
|
0.025
|
0.015
|
g
|
g
|
g
|
h,l
|
0.43
|
0.25
|
X70Q
|
0.18f
|
0.45f
|
1.80f
|
0.025
|
0.015
|
g
|
g
|
g
|
h,l
|
0.43
|
0.25
|
X80Q
|
0.18f
|
0.45f
|
1.90f
|
0.025
|
0.015
|
g
|
g
|
g
|
i,j
|
As agreed
|
|
X90Q
|
0.16f
|
0.45f
|
1.9
|
0.02
|
0.01
|
g
|
g
|
g
|
j,k
|
As agreed
|
|
X100Q
|
0.16f
|
0.45f
|
1.9
|
0.02
|
0.01
|
g
|
g
|
g
|
j,k
|
As agreed
|
|
Welded Pipe
|
BM
|
0.22
|
0.45
|
1.2
|
0.025
|
0.015
|
0.05
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X42M
|
0.22
|
0.45
|
1.3
|
0.025
|
0.015
|
0.05
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X46M
|
0.22
|
0.45
|
1.3
|
0.025
|
0.015
|
0.05
|
0.05
|
0.04
|
e,l
|
0.43
|
0.25
|
X52M
|
0.22
|
0.45
|
1.4
|
0.025
|
0.015
|
d
|
d
|
d
|
e,l
|
0.43
|
0.25
|
X56M
|
0.22
|
0.45f
|
1.4
|
0.025
|
0.015
|
d
|
d
|
d
|
e,l
|
0.43
|
0.25
|
X60M
|
0.12f
|
0.45f
|
1.60f
|
0.025
|
0.015
|
g
|
g
|
g
|
h,l
|
0.43
|
0.25
|
X65M
|
0.12f
|
0.45f
|
1.60f
|
0.025
|
0.015
|
g
|
g
|
g
|
h,l
|
0.43
|
0.25
|
X70M
|
0.12f
|
0.45f
|
1.70f
|
0.025
|
0.015
|
g
|
g
|
g
|
h,l
|
0.43
|
0.25
|
X80M
|
0.12f
|
0.45f
|
1.85f
|
0.025
|
0.015
|
g
|
g
|
g
|
i,j
|
.043f
|
0.25
|
X90M
|
0.1
|
0.55f
|
2.10f
|
0.02
|
0.01
|
g
|
g
|
g
|
i,j
|
–
|
0.25
|
X100M
|
0.1
|
0.55f
|
2.10f
|
0.02
|
0.01
|
g
|
g
|
g
|
i,j
|
–
|
0.25
|
Picture Display
Xi 'an shun &gold company steel co LTD Is located in xi 'an lotus lake district, is a long engaged in stainless steel wholesale, processing, sale, distribution as one of professional company, the company adhere to customer first, practical since its production, the principle of win-win cooperation, sharing success, sincere to the letter management principle, professional and efficient work style, passion to win-win cooperation with customers.
E-mail:
http://www.sjhsteel.com/
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