The difference between precision pipe and seamless pipe

　　API 5L X42 Seamless Steel Pipe’s feature is no welding seam, it can bear big pressure, the product can be rough as-cast condition or cold drawn piece

　　Precision pipe is a new product in recent years, the main feature is inner bore, ektexine size have strict tolerance and roughness.

　　Cold-drawing precision pipe’s feature:

　　1 Much less external diameter.

　　2 High degree of precision can still make small amount product.

　　3 Cold-drawing finished product has high purity, the surface has high quality.

　　4 The pipe’s transverse area is complicated.

　　5 This pipe’s nature is more excellent, the metal’s proportion is high .