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 Beitai
Brand DIP with its low content of sulfur, phosphorus and low anti-harmful
elements, adopts medium frequency new technology and has been first
choice for water, gas and oil transfer. ISO2531, ISO4179 and ISO8179
standards are conformed. The main grades include 17 specfications
of T type joint from DN60mm to DN2200mm, and 14 specfications of S
and H and N1 type joint from DN100 mm to DN700mm.
Beitai Brand DIP has the folowing certifications and awards: ISO9002
Authentication in April of 1997, "Golden Prize of New Products"
in Liaoning province at the same year, SGS Quality Authentication;
In June of 2002, Malaysia and Thailand Industrial and Trade Committee
awarded "Golden Prize of Perfect Products" in Internatinal
Construction Materials and Technology Achievements Exposition. Beitai
Brand DIP, with its high quality products and services, has been sode
to 29 provinces and cities, also exported to Philippine, Vietnam,
SIngapore, Iran, Iraq, Egypt, Kuwait and Peru, etc. |
| Spec.(mm) |
Materials |
Size (m) |
Standards |
DN100 |
External Diamater
118, Wall Thickness 6.1 |
6 |
ISO-2531
ISO-4179
ISO-8179
|
DN150 |
External Diamater 170, Wall
Thickness 6.3 |
DN200 |
External Diamater 222, Wall
Thickness 6.4 |
DN250 |
External Diamater 274, Wall
Thickness 6.8 |
DN300 |
External Diamater 326, Wall
Thickness 7.2 |
DN350 |
External Diamater 378, Wall
Thickness 7.7 |
DN400 |
External Diamater 429, Wall
Thickness 8.1 |
DN450 |
External Diamater 480, Wall
Thickness 8.6 |
DN500 |
External Diamater 532, Wall
Thickness 9.0 |
DN600 |
External Diamater 635, Wall
Thickness 9.9 |
DN700 |
External Diamater
738, Wall Thickness 10.8 |
DN800 |
External Diamater 842, Wall
Thickness 11.7 |
DN900 |
External Diamater 945, Wall
Thickness 12.6 |
DN1000 |
External Diamater 1048, Wall
Thickness 13.5 |
DN1200 |
External Diamater 1255, Wall
Thickness 15.3 |
| Beitai Brand DIP technology index: |
| N1 Type DIP (Level K9, available
length: 6m) |
| Nominal
Diameter (mm) |
Straight
Pipe |
Mouth Diameter |
GWT |
External
Diamater （mm） |
Wall
Thickness (mm) |
Weight
(kg/m) |
Approximation
(kg) |
Approximation
(kg) |
100 |
118 |
6.1 |
15.1 |
10.1 |
101 |
150 |
169 |
6.3 |
22.7 |
14.4 |
151 |
200 |
220 |
6.4 |
30.6 |
17.6 |
201 |
250 |
271.6 |
7.5 |
40.2 |
40.2 |
268 |
300 |
322.8 |
7.2 |
50.8 |
33 |
338 |
350 |
374 |
7.7 |
63.2 |
38.7 |
418 |
400 |
425.6 |
8.1 |
75.5 |
46.8 |
500 |
500 |
528 |
9 |
104.3 |
64 |
690 |
600 |
630.8 |
9.9 |
137.1 |
88 |
991 |
700 |
733 |
10.8 |
173.9 |
96 |
1141 |
| S type centrifugation DIP (Level K9, available length: 6m) |
| Nominal
Diameter (mm)
|
Straight
Pipe |
Mouth
Weight
Approximation（kg）
|
GWT
Approximation（kg） |
External
Diamater (mm)
|
Wall
Thickness (mm)
|
Weight
(kg/m)
|
100 |
118 |
6.1 |
15.1 |
8.96 |
99.7 |
150 |
169 |
6.3 |
22.7 |
11.7 |
149.4 |
200 |
220 |
6.4 |
30.6 |
17.8 |
201 |
250 |
371.6 |
7.5 |
40.2 |
21.8 |
263 |
300 |
322.8 |
7.2 |
50.8 |
27.5 |
332 |
350 |
374 |
7.7 |
63.2 |
33.48 |
413 |
400 |
425.6 |
8.1 |
75.5 |
40.39 |
493 |
500 |
528 |
9.0 |
104.3 |
50.4 |
676 |
600 |
630.8 |
9.9 |
137.1 |
65.18 |
888 |
700 |
733 |
10.8 |
173.9 |
85.41 |
1129 |
| T type centrifugation DIP (Level K9, available length: 6m) |
| Nominal
Diameter (mm)
(DN)
|
Straight
Pipe |
Mouth
protruding part
Approximation (kg)
|
GWT
Approximation (kg) |
External
Diamater (mm)
|
Wall
Thickness (mm)
|
Weight
(kg/m)
|
80 |
98 |
6 |
12.2 |
3.4 |
76.5 |
100 |
118 |
6.1 |
15.1 |
4.3 |
95 |
150 |
170 |
6.3 |
22.8 |
7.1 |
144 |
200 |
222 |
6.4 |
30.6 |
10.3 |
194 |
250 |
274 |
6.8 |
40.2 |
14.2 |
255 |
300 |
326 |
7.2 |
50.8 |
18.9 |
323 |
350 |
378 |
7.7 |
63.2 |
23.7 |
403 |
411 |
429 |
8.1 |
75.5 |
29.5 |
482 |
450 |
480 |
8.6 |
89.3 |
38.3 |
575 |
500 |
532 |
9 |
104.3 |
42.8 |
669 |
600 |
635 |
9.9 |
137.3 |
59.3 |
882 |
700 |
738 |
10.8 |
173.9 |
79.1 |
1123 |
800 |
842 |
11.7 |
215.2 |
102.6 |
1394 |
900 |
945 |
12.6 |
260.2 |
129.9 |
1691 |
1000 |
1048 |
13.5 |
309.3 |
161.3 |
2017 |
1200 |
1255 |
15.3 |
420.1 |
237.7 |
2758 |
| Chemical composition comparative statement |
| chemical composition
(％)
|
DIP
|
Steel Pipe
|
Gray Pig Iron
|
| （c） |
3.5-4.0 |
0.1-0.2 |
3.2-3.8 |
| （Si） |
1.9-2.6 |
0.15-0.4 |
1.4-2.2 |
| （Mn） |
0.15-0.45 |
0.3-0.6 |
0.4-0.6 |
| （p） |
≤0.06 |
0.02-0.03 |
≤0.3 |
| (s) |
≤0.02 |
0.02-0.03 |
≤0.1 |
| (Mg) |
0.03-0.06 |
- |
- |
| Pipe anti-corrosion comparative statement under the affect
of drinking water |
| Pipe
Kinds |
Corrosion
（gr/cm2） |
| After
45 days |
After
90 days |
| DIP
|
0.0060 |
0.0090 |
| Gray Pig Iron Pipe
|
0.0060 |
0.0103 |
| Seamless Steel Pipe |
0.0170 |
0.0273 |
| Welded Steel Pipe
|
0.0294 |
0.0396 |
| |
DIP
(Annealing)
|
DIP
(Non-Annealing)
|
Gray
pig iron pipe
|
Steel
pipe |
| Tensile
strength (N/mm2)
|
≥420 |
|
150-260 |
≥400 |
| Bending
strength
(N/mm2)
|
≥590 |
≤300 |
200-300 |
≥400 |
| Extensibility
(%)
|
≥10 |
3-5 |
Neglect |
≥18 |
| Hardness
(HB)
|
≤230 |
|
≤210 |
约140 |
| Hydraulic
Testing Pressure
(Mpa)
|
≤DN300 |
50 |
|
|
2.5-3.0 |
DN350-600 |
40 |
DN700-1000 |
32 |
| Gas
Leakage Test Pressure
(Mpa)
|
≥0.3 |
|
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