
Galvanized welded pipes (G.I Pipe) play a crucial role in plumbing systems, offering durability and corrosion resistance. In this article, we explore the features, benefits, and applications of galvanized pipes.

Galvanized welded pipes are known for their durability and corrosion resistance. They are steel pipes coated with a layer of zinc, which provides a protective barrier against environmental factors. Here are some of the key benefits and advantages:
Welded Steel Pipe – Class Medium
|
||||||||
Nominal Size |
Outside Diameter |
Wall Thickness |
Calculated Weight |
|||||
Max |
Min |
Plain Ends |
Threads and Coupling |
|||||
mm |
in |
mm |
mm |
mm |
Kg/m |
Kg/m |
Kg/m |
Kg/m |
15 |
1/2 |
21.7 |
21.1 |
2.6 |
1.21 |
0.369 |
1.22 |
0.372 |
20 |
3/4 |
27.2 |
26.6 |
2.6 |
1.56 |
0.475 |
1.57 |
0.479 |
25 |
1 |
34.2 |
33.24 |
3.2 |
2.41 |
0.735 |
2.43 |
0.741 |
32 |
1 1/4 |
42.9 |
42.1 |
3.2 |
3.10 |
0.945 |
3.13 |
0.954 |
40 |
1 1/2 |
48.8 |
48.0 |
3.2 |
3.57 |
1.09 |
3.61 |
1.10 |
50 |
2 |
60.8 |
59.8 |
3.6 |
5.03 |
1.53 |
5.10 |
1.55 |
65 |
2 1/2 |
76.6 |
75.4 |
3.6 |
6.43 |
1.96 |
6.55 |
2.00 |
80 |
3 |
89.5 |
88.1 |
4.0 |
8.37 |
2.55 |
8.54 |
2.60 |
100 |
4 |
114.9 |
113.3 |
4.5 |
12.2 |
3.72 |
12.5 |
3.81 |
125 |
5 |
140.6 |
138.7 |
5.0 |
16.6 |
5.06 |
17.1 |
5.21 |
150 |
6 |
166.1 |
164.1 |
5.0 |
19.7 |
6.0 |
20.3 |
6.19 |
Welded Steel Pipe – Class Heavy
|
||||||||
Nominal Size |
Outside Diameter |
Wall Thickness |
Calculated Weight |
|||||
Max |
Min |
Plain Ends |
Threads and Coupling |
|||||
mm |
in |
mm |
mm |
mm |
Kg/m |
Kg/m |
Kg/m |
Kg/m |
15 |
1/2 |
21.7 |
21.1 |
3.2 |
1.44 |
0.439 |
1.45 |
0.442 |
20 |
3/4 |
27.2 |
26.6 |
3.2 |
1.87 |
0.570 |
1.88 |
0.573 |
25 |
1 |
34.2 |
33.24 |
4.0 |
2.94 |
0.896 |
2.96 |
0.902 |
32 |
1 1/4 |
42.9 |
42.1 |
4.0 |
3.80 |
1.16 |
3.83 |
0.954 |
40 |
1 1/2 |
48.8 |
48.0 |
4.0 |
4.38 |
1.34 |
4.42 |
1.35 |
50 |
2 |
60.8 |
59.8 |
4.5 |
6.19 |
1.89 |
6.26 |
1.91 |
65 |
2 1/2 |
76.6 |
75.4 |
4.5 |
7.93 |
2.42 |
8.05 |
2.45 |
80 |
3 |
89.5 |
88.1 |
5.0 |
10.3 |
3.14 |
10.5 |
3.20 |
100 |
4 |
114.9 |
113.3 |
5.4 |
14.5 |
4.42 |
14.8 |
4.51 |
125 |
5 |
140.6 |
138.7 |
5.4 |
17.9 |
5.46 |
18.4 |
5.61 |
150 |
6 |
166.1 |
164.1 |
5.4 |
21.3 |
6.49 |
21.9 |
6.68 |
Please feel free to contact our customer service chat during working hours.
Working hours: 8.30 am – 5.00 pm
Saturday – Thursday, excluding public holiday & Friday
Whatsapp us now for more information:
At Kee Maju Jaya Trading Sdn Bhd, we are more than just a building materials supplier—we are your trusted partner in building stronger, more resilient communities.