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Grade:NGHDG-10
Product:Excellent corrosion resistance Zn(0) Hot DIP Galvanized Steel Pipe
Galvanized pipe, also known as galvanized steel pipe, divided into hot dip galvanized and electric galvanized two, hot dip galvanized galvanized layer thick, with uniform coating, strong adhesion, long service life and other advantages.
Physical Properties
Inner Diameter | External Diameter | Steel pipe thickness | Pipe Length | Remark | |
mm | in | mm | mm | mm | |
15 | 1/2 | 21.3 | 2.8 | 6000 | |
20 | 3/4 | 26.9 | 2.8 | 6000 | |
25 | 1 | 33.7 | 3.2 | 6000 | |
32 | 11/4 | 42.4 | 3.5 | 6000 | |
40 | 11/2 | 48.3 | 3.5 | 6000 | |
50 | 2 | 60.3 | 3.8 | 6000 | |
65 | 21/2 | 76.1 | 4.0 | 6000 | |
80 | 3 | 88.9 | 4.0 | 6000 | |
100 | 4 | 114.3 | 4.0 | 6000 | |
125 | 5 | 139.7 | 4.0 | 6000 | |
150 | 6 | 165.1 | 4.5 | 6000 | |
200 | 8 | 219.0 | 6 | 6000 | |
250 | 10 | 273.1 | 7.0 | 6000 | |
300 | 12 | 323.9 | 8.0 | 6000 | |
350 | 14 | 377 | 8.0 | 6000 | |
400 | 16 | 426 | 8.0 | 6000 |
Application
The use is very wide, from the general engineering structure to cars,Bridges, ships, boilers and pressure vessels and other manufacturing, have been used in large quantities.
Steel Standard: GB/T3091,BS1387,BSEN10255
production process
Material Inspection(Steel Pipe) --- De-greasing --- Rinsing --- Pickling --- Washing --- Dipping Fluxing --- Hot Air Drying Inside and Outside Hot-dipped Galvanizing Blow --- Cooling --- Passivation and Rising --- Unloading --- Inspection and Trimming --- Type Identification Packaging and Storing and Transportation