GB/T8163 输送流体用无缝钢管的化学成分和力学性能
GB/T8163 - 2008 输送流体用无缝钢管
化学成分要求:
钢级 |
C |
Mn |
P |
S |
Si |
Cr |
Cu |
Mo |
Ni |
V |
Nb |
Ti |
Al |
10 |
0.07-0.13 |
0.35-0.65 |
0.035 |
|
0.17-0.37 |
0.15 |
0.25 |
|
0.3 |
|
|
|
|
20 |
0.17-0.23 |
0.35-0.65 |
0.035 |
0.035 |
0.17-0.37 |
0.25 |
0.25 |
|
0.3 |
|
|
|
|
Q345 A |
0.2 |
1.7 |
0.035 |
0.035 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.15 |
0.07 |
0.2 |
|
Q345 B |
0.2 |
1.7 |
0.035 |
0.035 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.15 |
0.07 |
0.2 |
|
Q345 C |
0.2 |
1.7 |
0.03 |
0.03 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.15 |
0.07 |
0.2 |
≥0.015 |
Q345 D |
0.18 |
1.7 |
0.03 |
0.025 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.15 |
0.07 |
0.2 |
≥0.015 |
Q345 E |
0.18 |
1.7 |
0.025 |
0.02 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.15 |
0.07 |
0.2 |
≥0.015 |
Q390 A |
0.2 |
1.7 |
0.035 |
0.035 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.2 |
0.07 |
0.2 |
|
Q390 B |
0.2 |
1.7 |
0.035 |
0.035 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.2 |
0.07 |
0.2 |
|
Q390 C |
0.2 |
1.7 |
0.03 |
0.03 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.2 |
0.07 |
0.2 |
≥0.015 |
Q390 D |
0.2 |
1.7 |
0.03 |
0.025 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.2 |
0.07 |
0.2 |
≥0.015 |
Q390 E |
0.2 |
1.7 |
0.025 |
0.02 |
0.5 |
0.3 |
0.3 |
0.1 |
0.5 |
0.2 |
0.07 |
0.2 |
≥0.015 |
Q420 A |
0.2 |
1.7 |
0.035 |
0.035 |
0.5 |
0.3 |
0.3 |
0.2 |
0.8 |
0.2 |
0.07 |
0.2 |
|
Q420 B |
0.2 |
1.7 |
0.035 |
0.035 |
0.5 |
0.3 |
0.3 |
0.2 |
0.8 |
0.2 |
0.07 |
0.2 |
|
Q420 C |
0.2 |
1.7 |
0.03 |
0.03 |
0.5 |
0.3 |
0.3 |
0.2 |
0.8 |
0.2 |
0.07 |
0.2 |
≥0.015 |
Q420 D |
0.2 |
1.7 |
0.03 |
0.025 |
0.5 |
0.3 |
0.3 |
0.2 |
0.8 |
0.2 |
0.07 |
0.2 |
≥0.015 |
Q420 E |
0.2 |
1.7 |
0.025 |
0.02 |
0.5 |
0.3 |
0.3 |
0.2 |
0.8 |
0.2 |
0.07 |
0.2 |
≥0.015 |
Q460 C |
0.2 |
1.8 |
0.03 |
0.03 |
0.5 |
0.3 |
0.55 |
0.2 |
0.8 |
0.2 |
0.11 |
0.2 |
≥0.015 |
Q460 D |
0.2 |
1.8 |
0.03 |
0.025 |
0.5 |
0.3 |
0.55 |
0.2 |
0.8 |
0.2 |
0.11 |
0.2 |
≥0.015 |
Q460 E |
0.2 |
1.8 |
0.025 |
0.02 |
0.5 |
0.3 |
0.55 |
0.2 |
0.8 |
0.2 |
0.11 |
0.2 |
≥0.015 |
力学性能要求:
钢级 |
拉伸性能 |
冲击试验 |
|||||
抗拉强度Rm / MPa |
下屈服强度 Rel / MPa |
断后伸长率 A/ % |
|||||
t≤16 |
16<t≤30 |
t>30 |
温度 / ℃ |
吸收功 kv2 / J |
|||
10 |
335-475 |
205 |
195 |
185 |
24 |
_ |
_ |
20 |
410-530 |
245 |
235 |
225 |
20 |
_ |
_ |
Q345 A |
470-630 |
345 |
325 |
295 |
20 |
_ |
_ |
Q345 B |
470-630 |
345 |
325 |
295 |
20 |
20 |
34 |
Q345 C |
470-630 |
345 |
325 |
295 |
21 |
0 |
34 |
Q345 D |
470-630 |
345 |
325 |
295 |
21 |
-20 |
34 |
Q345 E |
470-630 |
345 |
325 |
295 |
21 |
-40 |
27 |
Q390 A |
490-650 |
390 |
370 |
350 |
18 |
_ |
_ |
Q390 B |
490-650 |
390 |
370 |
350 |
18 |
20 |
34 |
Q390 C |
490-650 |
390 |
370 |
350 |
19 |
0 |
34 |
Q390 D |
490-650 |
390 |
370 |
350 |
19 |
-20 |
34 |
Q390 E |
490-650 |
390 |
370 |
350 |
19 |
-40 |
27 |
Q420 A |
520-680 |
420 |
400 |
380 |
18 |
_ |
_ |
Q420 B |
520-680 |
420 |
400 |
380 |
18 |
20 |
34 |
Q420 C |
520-680 |
420 |
400 |
380 |
19 |
0 |
34 |
Q420 D |
520-680 |
420 |
400 |
380 |
19 |
-20 |
34 |
Q420 E |
520-680 |
420 |
400 |
380 |
19 |
-40 |
27 |
Q460 C |
550-720 |
460 |
440 |
420 |
17 |
0 |
34 |
Q460 D |
550-720 |
460 |
440 |
420 |
17 |
-20 |
34 |
Q460 E |
550-720 |
460 |
440 |
420 |
17 |
-40 |
27 |
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