管线管化学元素表:
roduct Level
|
Steel grade
|
Chemical composition, %
|
||||||||
C
|
Mn
|
P
|
S
|
Si
|
V
|
Nb
|
Ti
|
CEpcm
|
||
PSL 1
|
B or L245
|
≤0.28
|
≤1.20
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
x42 or L290
|
≤0.28
|
≤1.30
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
X46 or L320
|
≤0.28
|
≤1.40
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
X52 or L360
|
≤0.28
|
≤1.40
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
X56 or L390
|
≤0.28
|
≤1.40
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
X60 or L415
|
≤0.28
|
≤1.40
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
X70
|
≤0.28
|
≤1.40
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
|
PSL 2
|
BR or L245R
|
≤0.24
|
≤1.20
|
≤0.025
|
≤0.015
|
≤0.40
|
c
|
c
|
≤0.04
|
≤0.25
|
X42R or L290R
|
≤0.24
|
≤1.20
|
≤0.025
|
≤0.015
|
≤0.40
|
≤0.06
|
≤0.05
|
≤0.04
|
≤0.25
|
|
BN or L245N
|
≤0.24
|
≤1.20
|
≤0.025
|
≤0.015
|
≤0.40
|
c
|
c
|
≤0.04
|
≤0.25
|
|
X42N or L290N
|
≤0.24
|
≤1.30
|
≤0.025
|
≤0.015
|
≤0.40
|
≤0.06
|
≤0.05
|
≤0.04
|
≤0.25
|
|
X46N or L320N
|
≤0.24
|
≤1.40
|
≤0.025
|
≤0.015
|
≤0.40
|
≤0.07
|
≤0.05
|
≤0.04
|
≤0.25
|
|
X52N or L360N
|
≤0.24
|
≤1.40
|
≤0.025
|
≤0.015
|
≤0.45
|
≤0.10
|
≤0.05
|
≤0.04
|
≤0.25
|
|
X56N or L390N
|
≤0.24
|
≤1.40
|
≤0.025
|
≤0.015
|
≤0.45
|
≤0.10
|
≤0.05
|
≤0.04
|
≤0.25
|
|
X60N or L415N
|
≤0.24
|
≤1.40
|
≤0.025
|
≤0.015
|
≤0.45
|
≤0.10
|
≤0.05
|
≤0.04
|
-
|
|
X65N or L450N
|
≤0.24
|
≤1.40
|
≤0.025
|
≤0.015
|
≤0.45
|
≤0.10
|
≤0.05
|
≤0.04
|
-
|
|
X70N
|
≤0.24
|
≤1.40
|
≤0.025
|
≤0.015
|
≤0.45
|
≤0.10
|
≤0.05
|
≤0.04
|
-
|
|
X80
|
≤0.24
|
≤1.40
|
≤0.025
|
≤0.015
|
≤0.45
|
≤0.10
|
≤0.05
|
≤0.04
|
规格
|
规格
|
规格
|
规格
|
4*1/6-14*1-3
|
38*5.5
|
89*5
|
133*18
|
14*3.5
|
42*3
|
89*5.5
|
159*6
|
14*4
|
42*3.5
|
89*6
|
159*6.5
|
16*3
|
42*4
|
89*7
|
159*7
|
18*2
|
42*5
|
89*7.5
|
159*8
|
18*3
|
42*6
|
89*8
|
159*9.5
|
18*4
|
42*8
|
89*9
|
159*10
|
18*5
|
45*3
|
89*10
|
159*12
|
19*2
|
45*4
|
89*11
|
159*14
|
21*4
|
45*5
|
89*12
|
159*16
|
22*2.5
|
45*6
|
108*4.5
|
159*18
|
22*3
|
45*7
|
108*5
|
159*20
|
22*4
|
48*4
|
108*6
|
159*28
|
22*5
|
48*4.5
|
108*7
|
168*6
|
25*2.5
|
48*5
|
108*8
|
168*7
|
25*3
|
48*6
|
108*9
|
168*8
|
25*4
|
48*7
|
108*10
|
168*9.5
|
25*5
|
48.3*12.5
|
108*12
|
168*10
|
25*5.5
|
51*3
|
108*14
|
168*11
|
27*3.5
|
51*3.5
|
108*15
|
168*12
|
27*4
|
51*4
|
108*16
|
168*14
|
27*5
|
51*5
|
108*20
|
168*15
|
27*5.5
|
51*6
|
114*5
|
168*16
|
28*2.5
|
57*4
|
114*6
|
168*18
|
28*3
|
57*5
|
114*7
|
168*20
|
28*3.5
|
57*5.5
|
114*8
|
168*22
|
28*4
|
57*6
|
114*8.5
|
168*25
|
30*2.5
|
60*4
|
114*9
|
168*28
|
32*2.5
|
60*4
|
114*10
|
180*10
|
32*3
|
60*5
|
114*11
|
194*10
|
32*3.5
|
60*6
|
114*12
|
194*12
|
32*4
|
60*7
|
114*13
|
194*14
|
32*4.5
|
60*8
|
114*14
|
194*16
|
32*5
|
60*9
|
114*16
|
194*18
|
34*3
|
60*10
|
114*18
|
194*20
|
34*4
|
76*4.5
|
133*5
|
194*26
|
34*4.5
|
76*5
|
133*6
|
219*6.5
|
34*5
|
76*6
|
133*7
|
219*7
|
34*6.5
|
76*7
|
133*8
|
219*8
|
38*3
|
76*8
|
133*10
|
219*9
|
38*3.5
|
76*9
|
133*12
|
219*10
|
38*4
|
76*10
|
133*13
|
219*12
|
38*4.5
|
89*4
|
133*14
|
219*13
|
38*5
|
89*4.5
|
133*16
|
219*14
|
规格
|
规格
|
规格
|
规格
|
219*16
|
273*36
|
356*28
|
426*12
|
219*18
|
273*40
|
356*36
|
426*13
|
219*20
|
273*42
|
377*9
|
426*14
|
219*22
|
273*45
|
377*10
|
426*17
|
219*24
|
298.5*36
|
377*12
|
426*20
|
219*25
|
325*8
|
377*14
|
426*22
|
219*26
|
325*9
|
377*15
|
426*30
|
219*28
|
325*10
|
377*16
|
426*36
|
219*30
|
325*11
|
377*18
|
426*40
|
219*32
|
325*12
|
377*20
|
426*50
|
219*35
|
325*13
|
377*22
|
457*9.5
|
219*38
|
325*14
|
377*25
|
457*14
|
273*7
|
325*15
|
377*32
|
457*16
|
273*8
|
325*16
|
377*36
|
457*19
|
273*9
|
325*17
|
377*40
|
457*24
|
273*9.5
|