Stock: largest stock inventory of SMLS CS pipe in China to provide immediate sales and without MOQ. The stock comprises of ASTM specification as well as Chinese GB manufactured by TPCO and other competitively priced quality manufacturers. Inventory of 60,000tons in a single facility of 200,000m2. The sizes range from 1/4” to 26” (13mm to 660mm) with wall thickness up to 30mm
TORICH GOST8731 Seamless Hot Rolled Carbon Steel Tubes
What are the reasons for uneven thickness of carbon steel seamless steel tube wall
In the process of production of carbon steel seamless steel tube, can appear sometimes uneven thickness, produce substandard products and severe losses, according to the anatomical analysis of the automatic pipe mill rolling steel tube, think perforation capillary after plug mill rolling, longitudinal and steel tube wall thickness uneven remain largely in the form of the perforation thickness uneven distribution of MAO, namely after rolling spiral uneven wall thickness of steel tube still have, and transverse uneven wall thickness increased significantly.The reasons for the uneven wall thickness of the automatic tube rolling mill are as follows:
(1) the form and severity of the uneven wall thickness of the perforated capillary tube directly affect the form and severity of the uneven wall thickness of the steel tube after rolling.
(2) in the automatic rolling mill on the pipe, because the rod bending, so that the top position deviation from the center of the hole and lead to uneven wall thickness, the tube and tube head on the cross section of the maximum wall thickness and minimum wall thickness position is almost fixed;However, the uneven degree of wall thickness from the end of the pipe to the end of the pipe increases gradually. Therefore, reducing the residual bending degree of the ejector rod and the axial force of the ejector rod during pipe rolling can significantly reduce the uneven degree of wall thickness.
(3) the greater the wall reduction, the more serious the uneven wall thickness of waste pipe, the less the wall reduction, the automatic tube rolling machine has the effect of reducing the uneven wall thickness of perforated pipe.
(4) hole adjustment is not correct, when the roll seam uneven, will make the wall thickness of the pipe uneven aggravation.Through the above operation, the thickness uniformity of carbon steel seamless steel tube can be completely changed.
Packing and Transportation
Q1:How several coutries you already exported ?
A1:Exported to quite thirty countries chiefly from America, Russia, UK, Kuwait, Egypt, Iran, Turkey, Jordan, etc.
Q2:How am i able to get some samples?
A2:Small samples future and might give the samples for complimentary. Catalgue is offered, most patterns we've prepared samples available. made-to-order samples can take concerning 5-7days.
Q3:What is that the MOQ?
A3:Stainless steel coils five tons, pattern sheets 50pcs.
Q4:What is that the delivery ?
A4:Sample order’s delivery time is 5- seven days. instrumentation orders are concerning 15-25 days.
Q5:How will your company do concerning quality control?
A5:BV and SGS certificates, production method followed the ISO 9000 system.
Q6:How to guard The Sheets?
A6:Two white and black letter of the alphabet layers to hide the surface, every layer is seventy small (Total one hundred forty micro), optical device PVC is additionally practicable.( Novacel or poli-film complete )
Q7:What is that the application concerning your Products?
A7: 1.elevator door/cabin or and escalator’s side-wall.
2.Wall facing within or outside meeting room/ eating place.
3.Facade once facing over one thing, like columns within the lobby.
4.Ceiling within the food market.
5.Decorative attracts in some amusement places.
Q8: are you able to Guarantee for This Product?
A8:Original materials quality certificate will be provided.