One excel tell you difference between seamless steel pipe and ERW steel pipe
There are lots of articles said about the difference between seamless steel pipe and ERW steel pipe, however, it is still confused for us when we read it. Today, I would like to introduce you with one excel table and hope this would give you help.
difference | Seamless steel pipe | ERW steel pipe |
Raw material | solid round steel billet | Coils |
Manufacture technology | extruding the metal to the desired length | rolling metal and then welding it longitudinally across its length |
Joint or not | No joint | Welded joint |
Pressure holding | High pressure holding | Relative low pressure holding |
Identify | ASTM A53, Type S | Type F, E |
This is a brief introduction for the difference of seamless steel pipe and ERW steel pipe and I hope this would give you help.
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