Items Tagged with 'Permanent Steel Manufacturing Co.,Ltd'

Welding quality failure of ERW high frequency straight seam welded pipe unit

Classification of oil casing and their respective functions

Analysis of quality defects on the inner and outer surface of high-precision cold drawn seamless steel pipe

Conclusion: When buyers need to galvanize pipes in accordance with the requirements of A53, the galvanizing process that meets ASTM A123 can meet the looser galvanizing requirements of ASTM A53.A.

What's the differences between ERW steel pipe and HFW steel pipe?

Which is better for bridge support columns to choose straight seam steel pipe or spiral steel pipe?

1. What is HFW steel pipe 2. Advantage of HFW steel pipe

1. What is ERW steel pipe? 2. What kind of pipe standards could be made in ERW processes？

Carbon seamless steel pipe Hot-rolled steel pipe

1.Protection of cathode and anode of tubing casing 2.Precautions for anti-corrosion of oil casing pipe