| DN |
Designation of Thread |
Outside Diameter |
Thicknesses (T) and masses per unit length (M) according to the series |
| Heavy Series |
Medium Series |
Light Series 1 |
Light Series 2 |
| D (mm) |
T (mm) |
Plain end |
Screwed socketed |
T (mm) |
Plain end |
Screwed socketed |
T (mm) |
Plain end |
Screwed socketed |
T (mm) |
Plain end |
Screwed socketed |
| M (kg/m) |
M (kg/m) |
M (kg/m) |
M (kg/m) |
M (kg/m) |
M (kg/m) |
M (kg/m) |
M (kg/m) |
| 6 |
1/8 |
10.2 |
2.6 |
0.487 |
0.49 |
2 |
0.404 |
0.407 |
1.8 |
0.366 |
0.369 |
1.8 |
0.36 |
0.363 |
| 8 |
1/4 |
13.5 |
2.9 |
0.765 |
0.769 |
2.3 |
0.641 |
0.645 |
2 |
0.57 |
0.574 |
1.8 |
0.515 |
0.519 |
| 10 |
3/8 |
17.2 |
2.9 |
1.02 |
1.03 |
2.3 |
0.839 |
0.845 |
2 |
0.742 |
0.748 |
1.8 |
0.67 |
0.676 |
| 15 |
1/2 |
21.3 |
3.2 |
1.44 |
1.45 |
2.6 |
1.21 |
1.22 |
2.3 |
1.08 |
1.09 |
2 |
0.947 |
0.956 |
| 20 |
3/4 |
26.9 |
3.2 |
1.87 |
1.88 |
2.6 |
1.56 |
1.57 |
2.3 |
1.39 |
1.4 |
2.3 |
1.38 |
1.39 |
| 25 |
1 |
33.7 |
4 |
2.93 |
2.95 |
3.2 |
2.41 |
2.43 |
2.9 |
2.2 |
2.22 |
2.6 |
1.98 |
2 |
| 32 |
1 1/4 |
42.4 |
4 |
3.79 |
3.82 |
3.2 |
3.1 |
3.13 |
2.9 |
2.82 |
2.85 |
2.6 |
2.54 |
2.57 |
| 40 |
1 1/2 |
48.3 |
4 |
4.37 |
4.41 |
3.2 |
3.56 |
3.6 |
2.9 |
3.24 |
3.28 |
2.9 |
3.23 |
3.27 |
| 50 |
2 |
60.3 |
4.5 |
6.19 |
6.26 |
3.6 |
5.03 |
5.1 |
3.2 |
4.49 |
4.56 |
2.9 |
4.08 |
4.15 |
| 65 |
2 1/2 |
76.1 |
4.5 |
7.93 |
8.05 |
3.6 |
6.42 |
6.54 |
3.2 |
5.73 |
5.85 |
3.2 |
5.71 |
5.83 |
| 80 |
3 |
88.9 |
5 |
10.3 |
10.5 |
4 |
8.36 |
8.53 |
3.6 |
7.55 |
7.72 |
3.2 |
6.72 |
6.89 |
| 100 |
4 |
114.3 |
5.4 |
14.5 |
14.8 |
4.5 |
12.2 |
12.5 |
4 |
10.8 |
11.1 |
3.6 |
9.75 |
10 |
| 125 |
5 |
139.7 |
5.4 |
17.9 |
18.4 |
5 |
16.6 |
17.1 |
|
|
|
|
|
|
| 150 |
6 |
165.1 |
5.4 |
21.3 |
21.9 |
5 |
19.8 |
20.4 |
|
|
|
|
|
|
Our service
1,Delivery on time .
2.Strictly carry on all clients contract .
3.Since export carbon steel pipe(Tube) since 2003 ,have ability to control goods quality 4.Our goods can accept any third part inspection .
5.Client's requirement is our first thinking .
Inspection Equiement
Competent testing instruments and quality check equipment offer reliable technical support and
guarantee for the quality of its products
Company information
Tianjin Jinxinbao Mental Surface Treatment Co.,LTD .We were founded in 2012, with the headquarters location at the largest welded pipe production based in china-Yangjiayuan Town,Tianjin city,which is the most professional manufactuer of galvanized steel products in this area. There have total 6 galvanized production lines ,about 200 employees and annual production more than 200000 tons .
In the 2016, in order to meet client requirements, we built a after-processing factory, whose named is Tianjin Baojing New Energy Technology Co.,LTD , which produced all kinds of customized products and sucessful supply for many PV projects .
As the export's window, Tianjin Shengteng Internatinal Trading Co.,LTD , manily exporting the factory's galvanized steel products, especially galvanized steel pipe ,square and rectangular steel tube, seamless steel pipe ,ERW steel pipe, galvanized steel coil/sheets ,scaffolding steel props, PV mounting system .
In the past ,we get good feedback from old clients, and we will more fouce on the quality and improve the service to thankful each client in the future.
FAQ
Q1:How many coutries you already exported ?
A1:Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Iran, Turkey, Jordan, etc.
Q2:How can I get some samples?
A2:Small samples in store and can provide the samples for free. Catalgue is available, most patterns we have ready
samples in stock. Customized samples will take about 5-7days.
Q3:What is the MOQ?
A3:One ton if on stock, 5tons for new size
Q4:What is the delivery ?
A4:Sample order's delivery time is 5- 7 days. Container orders are about 15-20 days.
Q5:How does your company do regarding quality control?
A5:BV and SGS certificates, production process followed the ISO 9000 system.
Q7:How long Can You Guarantee for This Product?
A8:We will follow the order one year,if any problem,can contact us.
Audited Supplier 
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