●Standard: GB/T 8163-1999， ISO 559，ASTM A 53，ASTM A106，DIN 1629,JIS G 3458
● Function:
Transmit ordinary fluid, widely applied for oil and natural gas long-distance transmission as well as other fluids.
● Spec.:
|
OD(mm) |
Wall Thickness Unit(mm) |
/ |
4 |
4.5 |
5 |
6.0-8 |
8.1-10 |
Φ76-Φ83 |
● |
● |
● |
● |
● |
Φ89 |
● |
● |
● |
● |
● |
Φ102 |
● |
● |
● |
● |
● |
Φ108 |
● |
● |
● |
● |
● |
Φ114 |
/ |
● |
● |
● |
● |
Φ121 |
/ |
● |
● |
● |
● |
Φ127 |
/ |
● |
● |
● |
● |
Φ133 |
/ |
● |
● |
● |
● |
OD(mm) |
Wall Thickness Unit(mm) |
/ |
10.5-12 |
12.5-17 |
18-20 |
21-25 |
26-30 |
Φ127 |
● |
● |
● |
● |
● |
Φ133 |
● |
● |
● |
● |
● |
Φ140 |
● |
● |
● |
● |
● |
Φ146 |
● |
● |
● |
● |
● |
Φ152 |
● |
● |
● |
● |
● |
Φ159 |
● |
● |
● |
● |
● |
Φ168 |
● |
● |
● |
● |
● |
Φ180 |
● |
● |
● |
● |
● |
|
|
| OD(mm) |
Wall Thickness Unit(mm) |
| |
4 |
4.5 |
5 |
5.5-6 |
6.5-7 |
7.5-8 |
8.5-10 |
11--15 |
16-19 |
20-22 |
23-25 |
26-28 |
29-30 |
| Φ133 |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
|
|
| Φ140 |
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
|
|
| Φ146 |
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
|
|
| Φ152 |
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
|
|
| Φ159 |
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
|
| Φ168 |
|
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
|
| Φ180 |
|
|
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
| Φ194 |
|
|
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
| Φ203 |
|
|
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
| Φ219 |
|
|
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
● |
| Φ245 |
|
|
|
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
| Φ273 |
|
|
|
|
● |
● |
● |
● |
● |
● |
● |
● |
● |
| Φ299 |
|
|
|
|
● |
● |
● |
● |
● |
● |
● |
● |
|
| Φ325 |
|
|
|
|
● |
● |
● |
● |
● |
● |
● |
● |
|
● Tolerance of size:
|
Standard |
Outside diameter tolerance |
Wall thickness tolerance |
GB8163/T |
|
|
+15/-12.5% |
|
±1% |
DIN 17172 |
D<50mm |
±0.50mm |
D<130mm |
+12.5/-10% |
D≥50mm |
±1% |
D≥130mm |
±12.5% |
|
|
● Mechanical properties :
|
Standard
|
Steel grade
|
Tensile strength (MPa)
|
Yield strength (MPa) |
Extensibility (%)
|
≤ 16mm |
≥16mm |
GB 8163 |
|
|
|
|
|
20 |
410-550 |
245 |
235 |
20 |
Q345 |
490-665 |
325 |
315 |
21 |
DIN 17172 |
StE210.7 |
320-440 |
210 |
28 |
StE240.7 |
370-490 |
240 |
26 |
StE290.7 |
420-540 |
290 |
25 |
StE320.7 |
460-580 |
320 |
23 |
StE360.7 |
510-630 |
360 |
22 |
|
|
● Composition (%)
:
|
Standard |
Steel grade |
C |
Si |
Mn |
P≤ |
S≤ |
Ni≤ |
Cr≤ |
Cu≤ |
GB/T 8163 |
10 |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.30 |
0.15 |
0.25 |
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.30 |
0.25 |
0.25 |
16Mn |
0.12-0.20 |
0.20-0.55 |
1.20-1.60 |
0.045 |
0.045 |
0.25 |
0.25 |
0.25 |
DIN 17172 |
StE210.7 |
≤0.17 |
≤0.45 |
≥0.35 |
0.035 |
0.035 |
/ |
/ |
/ |
StE240.7 |
≤0.17 |
≤0.45 |
≥0.40 |
0.035 |
0.035 |
/ |
/ |
/ |
StE290.7 |
≤0.22 |
≤0.45 |
0.50-1.10 |
0.035 |
0.035 |
/ |
/ |
/ |
StE320.7 |
≤0.22 |
≤0.45 |
0.70-1.30 |
0.035 |
0.035 |
/ |
/ |
/ |
StE360.7 |
≤0.22 |
≤0.45 |
0.90-1.50 |
0.035 |
0.035 |
/ |
/ |
/ |
|
|
Structural Steel Pipe
