Specifications
3 PE coating Steel pipe
1.certificcation :iso 9001;2000
2.payment :T/T L/C
3.DN:6-1200
4.TW:0.3-20
3 PE coating Steel pipe
Nominal diameter | Outer diameter | Central pipe | Thickened pipe | |||||||
m | m | Nominal size ( | Allowed deviation | Wall thickness | Theoretical weight kg/m | Wall thickness | Theoretical
Weight kg/m |
|||
Nominal size | Allowed deviation
% |
Nominal size ( | Allowed deviation
% |
|||||||
6 |
1/8 |
10.0 |
+/_0.50mm |
2 |
+/-12 -15 |
0.39 |
2.50 |
+/-12 -15 |
0.46 |
|
8 |
1/4 |
13.5 |
2.25 |
0.62 |
2.75 |
0.73 |
||||
10 |
3/8 |
17.0 |
2.25 |
0.82 |
2.75 |
0.97 |
||||
15 |
1/2 |
21.3 |
2.75 |
1.26 |
3.25 |
1.45 |
||||
20 |
3/4 |
26.8 |
2.75 |
1.63 |
3.50 |
2.01 |
||||
25 |
1 |
33.5 |
3.25 |
2042 |
4.00 |
2.97 |
||||
32 |
11/4 |
42.3 |
3.25 |
3.13 |
4.00 |
3.78 |
||||
40 |
11/2 |
48.0 |
+/-1% |
3.5 |
3.84 |
4.25 |
4.58 |
|||
50 |
2 |
60.0 |
3.5 |
4.88 |
4.50 |
6.16 |
||||
65 |
21/2 |
75.5 |
3.75 |
6.64 |
4.50 |
7.88 |
||||
80 |
3 |
88.5 |
4.00 |
8.34 |
4.75 |
9.81 |
||||
100 |
4 |
114.0 |
4.00 |
10.85 |
5.50 |
13.44 |
||||
125 |
5 |
140.0 |
4.00 |
13.42 |
5.50 |
18.24 |
||||
150. |
6 |
165 |
4.00 |
17.81 |
5.50 |
21.63 |
Testing item | Technology performance | Testing result | Testing basis |
Bond strength test | No less than 10mpa | Qualified | GJ/T136-2001 |
Bending test | No steel –plastic split | No split layer found | GJ/T136-200 |
Flattening test | No steel –plastic split | No split layer found | GJ/T136-2001 |
Cold /hot water endurance test | No steel –plastic split | No steel –plastic split | GJ/T136-2001 |
Sanitary performance test | ndexes provide by the standard shall be met | No steel –plastic split | |
Outer coating | Indexes provide by the standard shall be met | Qualified | GJ/T136-2001 |