CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

We are leading manufacturer of CDS and HFS pipes and Tubes.

Home
Products
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Home Products

seamless black steel pipe

Good quality Seamless Boiler Tubes for sales
Good quality Seamless Boiler Tubes for sales
RUIYUAN is a reliable supplier, we trust in them and already cooperated for 5 years. They offer good and stable quality, best service and price.

—— Mr.Wang from SINOPEC

As we've cooperated more than 7 years, RUIYUAN is not only a business partner, but also became a very best friend for us.

—— Mr.Sanjay Bajaj

They will always keep their words, and always put customer's benefit on first consideration, that's why we chose them as a long-term business partner!

—— Mr.Thomas BIttig

I'm Online Chat Now

seamless black steel pipe

(211)
China Cold Drawn Carbon Steel Seamless Pipe DIN17175 for Boiler Flue / Pressure Vessel factory

Cold Drawn Carbon Steel Seamless Pipe DIN17175 for Boiler Flue / Pressure Vessel

Cold Drawn Carbon Steel Seamless Pipe DIN17175 for Boiler Flue / Pressure Vessel DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified ... Read More
2017-03-14 13:47:38
China DIN17175 Alloy / Carbon Steel Seamless Pipe And Tube , Low Temperature factory

DIN17175 Alloy / Carbon Steel Seamless Pipe And Tube , Low Temperature

DIN17175 Alloy / Carbon Steel Seamless Pipe And Tube , Low Temperature DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified elevated ... Read More
2017-03-14 13:47:38
China Alloy / Carbon Steel Seamless Pipe factory

Alloy / Carbon Steel Seamless Pipe

DIN17175 Alloy / Carbon Steel Seamless Pipe And Tube , Low Temperature DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified elevated ... Read More
2016-06-21 13:14:09
China Cold Drawn Carbon Steel Seamless Tube In Construction Of Boilers And Pipe - Line factory

Cold Drawn Carbon Steel Seamless Tube In Construction Of Boilers And Pipe - Line

Cold Drawn Carbon Steel Seamless Tube In Construction Of Boilers And Pipe - Line DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified ... Read More
2017-03-14 13:47:38
China Industrial Precision Seamless Steel Tubes / CS Seamless Pipes E215 E235 E355 Grade factory

Industrial Precision Seamless Steel Tubes / CS Seamless Pipes E215 E235 E355 Grade

Industrial Precision Seamless Steel Tubes / CS Seamless Pipes E215 E235 E355 Grade EN10305-1 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 1: Seamless cold drawn tubes Specifications: Surface Treatment: ... Read More
2017-03-14 13:47:38
China Cold Drawn Precision Carbon Steel Seamless Pipe with PED , ISO Certificate factory

Cold Drawn Precision Carbon Steel Seamless Pipe with PED , ISO Certificate

Cold Drawn Precision Carbon Steel Seamless Pipe with PED , ISO Certificate EN10305-4 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems ... Read More
2017-03-14 13:47:38
China DIN17175 Carbon Steel Seamless Pipe factory

DIN17175 Carbon Steel Seamless Pipe

DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified elevated temperature properties Specifications: Surface Treatment: Oiling/Black ... Read More
2016-06-21 13:14:07
China Heavy Wall Low Carbon Steel Seamless Tube , DIN1629 Non - Alloy Steel Round Pipe factory

Heavy Wall Low Carbon Steel Seamless Tube , DIN1629 Non - Alloy Steel Round Pipe

Heavy Wall Low Carbon Steel Seamless Tube , DIN1629 Non - Alloy Steel Round Pipe Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: PE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China Bare and Oil Carbon Steel Seamless Pipe with Chemical and Mechanical Test factory

Bare and Oil Carbon Steel Seamless Pipe with Chemical and Mechanical Test

Bare and Oil Carbon Steel Seamless Pipe with Chemical and Mechanical Test Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
China Cold Drawn Precision Seamless Steel Tube , Pneumatic and Hydraulic Pipe factory

Cold Drawn Precision Seamless Steel Tube , Pneumatic and Hydraulic Pipe

Cold Drawn Precision Seamless Steel Tube , Pneumatic and Hydraulic Pipe EN10305-4 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems ... Read More
2017-03-14 13:47:38
Page 13 of 22|< 8 9 10 11 12 13 14 15 16 17 >|