What is HFW Pipe ?

What is HFW Pipe ? HFW Pipe means high frequency welded pipe. To understand better HFW pipe, you should first know what is EW pipe. read more →

What is MTC for Steel ?

What is MTC for Steel? Definition, In steel industry, MTC means mill's test certificate. Some mills also call it as MTR, that is, mill's test report. read more →

Black Pipes and Carbon Pipes, what is the difference
Black Pipes and Carbon Pipes, what is the difference

In general "black" steel pipe and carbon steel pipe have about the same procedures for welding. That is if you are talking about general welding and not for some specific application like very cold temperatures. read more →

What is Pipe Number ?
What is Pipe Number ?

With those coils or plates, HYSP produce API 5L Line Pipe, A53 Steel Tube, A252 Piling Pipe, Structure Steel Pipe, and to mark every pipe we produce and for trace purpose, we will mark one unique pipe number on the surface of our ERW welded pipe. Every pipe number is unique and traceable to the coil or plate number and then heat number. Those numbers are connected and with one of them, the rest is traceable. read more →