The specified outside , specified wall thickness and weight per unit length of the spiral submerged arc weling steel pipe
steel tube principal physicochemical performances
steel tube execution standard schedule
steel tube dimension and standard test pressure
steel tube principal physicochemical performances
标准
钢级
化学成分
拉伸性能
夏比
C
Mn
P
S
Si
其它other
max
max
max
max
max
min
max
min
max
D≤168.3mm
D>168.3mm
GB/T3091-2008
Q215A
≤0.15
0.25<1.20
0.045
0.050
0.35
-
-
-
-
Nb\v\Ti加入见
GB/T1591-94
215
-
335
-
15
>31
-
Q215B
≤0.15
0.25-0.55
0.045
0.045
0.35
215
335
15
>31
Q235A
≤0.22
0.30-0.65
0.045
0.050
0.35
235
375
15
>26
Q235B
≤0.20
0.30≤1.80
0.045
0.045
0.35
235
375
15
>26
Q295A
0.16
0.80-1.50
0.045
0.045
0.55
295
390
13
>23
Q295B
0.16
0.80-1.50
0.040
0.040
0.55
295
390
13
>23
Q345A
0.20
1.00-1.60
0.045
0.045
0.55
345
510
13
>21
Q345B
0.20
1.00-1.60
0.040
0.040
0.55
345
510
13
>21
GB/T9711.1-1997
L175
0.21
0.60
0.030
0.030
-
可添加Nb\v\Ti三种元素中的一种或任一组合
175
-
315
825
27
可选择冲击功与剪切面积一个或两个韧性指标L555见标准
L210
0.21
0.90
0.030
0.030
210
335
25
L245
0.26
1.15
0.030
0.030
245
415
21
L290
0.28
1.25
0.030
0.030
290
415
21
L320
0.30
1.25
0.030
0.030
320
435
20
L360
0.30
1.25
0.030
0.030
360
460
19
L390
0.26
1.35
0.030
0.030
390
490
18
L415
0.26
1.35
0.030
0.030
415
520
17
L450
0.26
1.40
0.030
0.030
450
535
17
L485
0.23
1.60
0.030
0.030
485
570
16
L555
0.18
1.80
0.030
0.030
555
625
15
AP1 5L(PSL1)
(Timax)
B级Nb+V≤0.03%,≥B级钢可添加Nb、V或其组合,且Nb+V+Ti≤0.15%Grade B Nb+V≤0.03% Steel≥Grade B,(Niovium Vanadium Titanium orcombinations maybe usde but Nb+V+Ti≤0.15%)
-
-
不要求或可选择冲击功与剪切面积一个或两个韧性判剧
A25
0.21
0.60
0.030
0.030
-
172
310
A
0.22
0.90
0.030
0.030
-
207
331
B
0.26
1.20
0.030
0.030
0.040
241
414
X42
0.26
1.30
0.030
0.030
0.040
290
414
X46
0.26
1.40
0.030
0.030
0.040
317
434
X52
0.26
1.40
0.030
0.030
0.040
359
455
X56
0.26
1.40
0.030
0.030
0.040
386
490
X60
0.26
1.40
0.030
0.030
0.040
414
517
X65
0.26
1.45
0.030
0.030
0.060
448
531
X70
0.26
1.65
0.030
0.030
0.060
483
565
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