Process Flow
Process Chart Weight and length of nominal diameter, nominal wall thickness and unit Physical and chemical properties Operative norm Size and standard test pressure gauge 1 2 3 4 5 6 Manufacturing and testing equipment production facility Checker facility Quality assurance Service commitment Spiral steel pipe
Spiral steel pipe Double submerged arc spiral welded pipe Petroleum and natural gas transportation pipe Pile for spiral submerged arc welded pipe Anti-corrosion steel pipe Blue 3PE corrosion Prefabricated polyurethane direct-buried insulation pipe Cement mortar lining anticorrosion Coal tar epoxy GZ-2 new polymer anticorrosive coating IPN8710 polymer coating 2PP/3PP anti-corrosion steel pipe 2PE/3PE anti-corrosion pipe Single and double layer of epoxy powder coating (FBE) Welded steel pipe Welding steel pipe Square rectangle tube Elbow pipe Cangzhou Spiral Steel pipe Group Co., Ltd.
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Address：No.92, Jiefang East Road, Xinhua District ,Cangzhou City
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标准化代号 Standrdization code |
API
|
ASTM
|
BS
|
DIN
|
GB/T
|
JIS
|
ISO
|
YB
|
SY/T
|
SNV
|
|
|
5ct
|
A53
|
1387
|
1626
|
3091
|
3442
|
559
|
4028
|
5037
|
OS-F101
|
|
5L
|
A120
|
|
10219
|
9711.1
|
3444
|
3181.1
|
|
5040
|
|
|
|
|
A135
|
|
|
9711.2
|
3452
|
3183.2
|
|
|
|
|
|
|
A252
|
|
|
14291
|
3454
|
|
|
|
|
|
|
|
A500
|
|
|
13793
|
3466
|
|
|
|
|
|
|
|
A589
|
|
|
|
|
|
|
|
|
|
标准
|
钢级
|
化学成分（%）Chemical compposition
|
拉抻性能Tensil properties |
|
|||||||||||||
|
C
|
Si
|
Mn
|
P
|
S
|
V
|
Nb
|
Ti
|
其它
|
|
|
|
|
|
|
|
||
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
||
|
GB/T9711.2-1999
|
L245NB
|
0.16
|
0.40
|
1.1
|
0.025
|
0.020
|
-
|
-
|
-
|
1)
|
0.42
|
245
|
440
|
415
|
|
0.80
|
22
|
|
L245MB
|
0.16
|
0.45
|
1.5
|
0.025
|
0.020
|
0.04
|
0.04
|
-
|
1)
|
0.40
|
245
|
440
|
415
|
0.85
|
22
|
||
|
L290NB
|
0.17
|
0.40
|
1.2
|
0.025
|
0.020
|
0.05
|
0.05
|
0.04
|
1)
|
0.42
|
290
|
440
|
415
|
0.80
|
21
|
||
|
L360MB
|
0.16
|
0.45
|
1.5
|
0.025
|
0.020
|
0.04
|
0.04
|
-
|
1)
|
0.40
|
290
|
440
|
415
|
0.85
|
21
|
||
|
L360NB
|
0.20
|
0.45
|
1.6
|
0.025
|
0.020
|
0.10
|
0.05
|
0.04
|
1)2)
|
0.45
|
360
|
510
|
460
|
0.85
|
20
|
||
|
L415MB
|
0.16
|
0.45
|
1.6
|
0.025
|
0.020
|
0.05
|
0.05
|
0.04
|
1)
|
0.41
|
360
|
510
|
460
|
0.85
|
20
|
||
|
L415NB
|
0.21
|
0.45
|
1.6
|
0.025
|
0.020
|
0.15
|
0.05
|
0.04
|
1)2)3)
|
协议
|
415
|
565
|
520
|
0.85
|
18
|
||
|
L450MB
|
0.16
|
0.45
|
1.6
|
0.025
|
0.020
|
0.08
|
0.05
|
0.06
|
1)2)3)
|
0.42
|
415
|
565
|
520
|
0.85
|
18
|
||
|
L485MB
|
0.16
|
0.45
|
1.6
|
0.025
|
0.020
|
0.10
|
0.05
|
0.06
|
1)2)3)
|
0.43
|
450
|
570
|
535
|
0.87
|
18
|
||
|
L485MB
|
0.16
|
0.45
|
1.7
|
0.025
|
0.020
|
0.10
|
0.06
|
0.06
|
1)2)3)
|
0.43
|
485
|
605
|
570
|
0.90
|
18
|
||
|
L555MB
|
0.16
|
0.45
|
1.8
|
0.025
|
0.020
|
0.10
|
0.06
|
0.06
|
1)2)3)
|
协议
|
555
|
675
|
625
|
0.90
|
18
|
||
|
标准
|
钢级
|
化学成分
|
拉伸性能
|
||||||||||
|
C
|
Mn
|
P
|
S
|
Ti
|
其它other
|
CE (Pcm) |
CE (llm) |
屈伸强度
|
拉伸强度
|
||||
|
max
|
max
|
max
|
max
|
max
|
max
|
max
|
min
|
max
|
min
|
max
|
|||
|
API Spec 5L(PSL2)
|
B
|
0.22
|
1.20
|
0.025
|
0.015
|
0.04
|
|
0.25
|
0.43
|
241
|
448
|
414
|
758
|
|
X42
|
0.22
|
1.30
|
0.025
|
0.015
|
0.04
|
0.25
|
0.43
|
290
|
496
|
414
|
758
|
||
|
X46
|
0.22
|
1.40
|
0.025
|
0.015
|
0.04
|
0.25
|
0.43
|
317
|
524
|
434
|
758
|
||
|
X52
|
0.22
|
1.40
|
0.025
|
0.015
|
0.04
|
0.25
|
0.43
|
359
|
531
|
455
|
758
|
||
|
X56
|
0.22
|
1.40
|
0.025
|
0.015
|
0.04
|
0.25
|
0.43
|
386
|
544
|
490
|
758
|
||
|
X60
|
0.22
|
1.40
|
0.025
|
0.015
|
0.04
|
0.25
|
0.43
|
414
|
565
|
517
|
758
|
||
|
X65
|
0.22
|
1.45
|
0.025
|
0.015
|
0.04
|
0.25
|
0.43
|
448
|
600
|
531
|
758
|
||
|
X70
|
0.22
|
1.65
|
0.025
|
0.015
|
0.04
|
0.25
|
0.43
|
483
|
621
|
565
|
758
|
||
|
X80
|
0.22
|
1.85
|
0.025
|
0.015
|
0.04
|
0.25
|
0.43
|
552
|
690
|
621
|
827
|
||
