black seamless steel pipe

  Product Description  

Production	seamless steel pipe
Standard	A106 A53 A213 A192 A179 A335,API 5L etca.
Out Diameter	1/2"~10",20mm~273mm
Wall Thickness	2mm~40mm
Material	ASTM A106 GRB/ A53 GRB/ API 5L S304 S316 S310
Length	12m,11.8m,6m,5.8m,or as customers required
Surface treatment	varnish coating or polished
Technique	Seamless
Usage	1.  Low and middle pressure fluid transportation pipeline  2.  Casing Tube  3.  Boiler Pipe  4.  Petroleunm and natural gas industry  5.  Chemistry industry  6.  Electric industry
Package	1.  Bundle packing.  2.  Bevelled end or plain end or warnished as per buyer's required.  3.  Marking: as per customer's requests.  4.  Painting varnish coating on the pipe.  5.  Plastic caps at ends.
Supply	1.  seamless steel pipe  2.  ERW steel pipe  3.  steel casing  4.  tubing  5.  hot-rolled steel pipe  6.  spiral steel pipe  7.  hot-galvanized steel pipe
Min Order Quantity	10ton
Payment terms	L/C, T/T, Western Union,etc.

  Product QC System Hebei Sinostar Trading Co. Ltd sets up the department of quality control specially, which is a well-trained professional quality control team. We have professional ability and services surpassing third-party testing agency. We run according to the standardized inspection and service process. We assure the buyers of carrying out each order successfully. Process of quality control: A.Choice of manufacturers B.Signing contract and placing orders C.Following up manufacturing : To follow up every step of manufacturing process and ensure that the quantity, quality, packing and delivery time are in conformity with the requirements of the buyers order and relative international standards.   D.Quality inspection: To fully inspect the goods after finishing manufacturing, issue survey report and present to the overseas buyer. We ensure that all the products conform to the requirements of the order and relative international standards.   
  E.Supervision of loading in the port: To follow up and supervise the goods loaded into containers before shipment, ensure again that the quality, quantity and packing meet the requirements of the order , ensure the goods without any damage during the process of container loading and guarantee the delivery time meets the requirements of the order. Hbsinostar Office   Hbsinostar team   Main Product                           Cold Rolled Steel Coils                       Hot Dipped Galvanized Steel Strips                     Hot Rolled Steel Rectangular Pipes        Hot Dipped Galvanized Corrugated Steel Sheets