镀锌钢管
Galvanized Steel Pipe
Standard ASTM A53 / BS 1387-1985/ASTM A500/DIN/GB/T3091/GB/T21835
Material A53/Q195/Q215/Q235/Q345
Technique: Welded/Seamless
Zinc coating 200g/m2--580g/m2
End: thread (API NPT)
Usage 1.For high/low pressure liquid delivery such as water , gas and oil
2.For construction , e.g building greenhouse