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STANDARD: GB/T 8711, API5L
APPLICATION/strong> FOR TRANSPORT FLAMMABLE AND NON-FLAMMABLE LIQUID IN PETROLEUM AND NATURAL GAS INDUSTRIES
MATERIAL
| Standard |
Grade |
C |
Si |
Mn |
P/td>
| S/td>
| V |
Nb |
Ti |
| GB/T9711.1 |
L210 |
.22 |
- |
.90 |
0.030 |
0.030 |
- |
- |
- |
| L245 |
.27 |
- |
.15 |
0.030 |
0.030 |
- |
- |
- |
| L290 |
.29 |
- |
.25 |
0.030 |
0.030 |
- |
- |
- |
| GB/T9711.2 |
L245NB |
.16 |
.40 |
.1 |
0.025 |
0.020 |
- |
- |
- |
| L290NB |
.17 |
.40 |
.2 |
0.025 |
0.020 |
0.05 |
0.05 |
0.04 |
| API5L PSL1 |
A |
.22 |
|
.90 |
0.030 |
0.030 |
|
|
|
| B |
.28 |
|
.20 |
0.030 |
0.030 |
|
|
.04 |
| X42 |
.28 |
|
.30 |
0.030 |
0.030 |
|
|
.04 |
| X46, X52 |
.28 |
|
.40 |
0.030 |
0.030 |
|
|
.04 |
| API5L PSL2 |
B |
.24 |
|
.20 |
0.025 |
0.015 |
|
|
.04 |
| X42 |
.24 |
|
.30 |
0.025 |
0.015 |
|
|
.04 |
| X46, X52 |
.24 |
|
.40 |
0.025 |
0.015 |
|
|
.04 |
Tolerance
| Standard |
OD |
TOLERANCE |
| |
|
| GB/T9711.1 |
D73.1 |
-0.40mm/+1.59mm |
+/-0.75% |
+15%/-12.5% |
| |
D73.1 |
-0.79mm/+2.38mm |
| GB/T9711.2 |
+/-0.5%/-1.6mm |
+/-0.75% |
+/-12.5% |
| API5L |
D73.1 |
-0.40mm/+1.60mm |
+/-0.75% |
+15%/-12.5% |
| D73.1 |
-0.80mm/+2.40mm |
|
Specification
壁厚 MM/IN |
4.4 |
4.8 |
5.2 |
5.6 |
6.4 |
7.1 |
7.5 |
7.9 |
8.5 |
8.7 |
9.0 |
9.5 |
10.3 |
11.1 |
12.7 |
外径
IN/MM |
0.173 |
0.189 |
0.205 |
0.220 |
0.252 |
0.280 |
0.295 |
0.311 |
0.355 |
0.343 |
0.354 |
0.374 |
0.395 |
0.437 |
0.550 |
| 4 1/2 |
114.3 |
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| 5 1/2 |
139.7 |
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| 5 9/16 |
141.3 |
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| 6 1/4 |
159 |
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| 6 5/8 |
168.3 |
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| 7 |
177.8 |
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| 7 5/8 |
193.7 |
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| 8 5/8 |
219.1 |
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| 9 5/8 |
244.5 |
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| 10 3/4 |
273.1 |
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| 12 3/4 |
232.9 |
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| 13 3/8 |
339.7 |
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| 14 |
355.6 |
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