Stainless seamless pipe  make a basis of the industrial program of "Hengyuan stainless pipe Mill".
Pipes are made from more than 20 steel grades of various corrosion resistance and are intended for application in conditions of a wide range of corrosion environments and temperatures in petrochemical industry.

Surface protection:
Unless otherwise stated in order tubes are delivered with inner and outer surfaces temporarily protected with a film of light mineral oil.
 
Tubes ends:
The tubes are supplied plain, square cut and on request the tubes can be deburred.
 
Marking:
Each tube is paint stencilled in accordance with the required production standard; every bundle is identified by a tag recording all data such as :
n° of pieces
weight
heat number
customer’s name
date of production.
 
Packing:
The tubes are supplied in round bundles, tied with steel stripes; on request the tubes can be packed in wooden boxes

Production standards:
Hengyuan  can supply a very wide range of carbon and low alloy steel grades, according to the most important production standards,like ASTM, DIN, BS,JIS
The mill can supply steel grade according to Customer’s special requirements.

Testing: :
All the tubes are checked through the Eddy current test and shall pass a visual and dimensional control.
On request, tubes can be ultrasonically tested.
On request, is possible to carry out extra mechanical and technological tests.