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

(207)
China 1/8 – 3 Inch Hot Finished Pipe Standard ASTM A179 Carbon Steel factory

1/8 – 3 Inch Hot Finished Pipe Standard ASTM A179 Carbon Steel

1/8 3 Inch Hot Finished Pipe Standard ASTM A179 Carbon Steel ASTM A179 ( ASME SA179 ) SEAMLESS CARBON STEEL PIPE FOR HEAT - EXCHANGER AND CONDENSER Surface Treatment: Oiling/Black painting/Varnish/Passivation... Read More
2017-03-14 13:47:38
China Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter factory

Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter

Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China High Pressure Mechanical Seamless Alloy Steel Pipe / Tubes OD WT Customized factory

High Pressure Mechanical Seamless Alloy Steel Pipe / Tubes OD WT Customized

High Pressure Mechanical Seamless Alloy Steel Pipe / Tubes OD WT Customized Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China Large Diameter Round Precision Seamless Steel Tube / Seamless Carbon Steel Pipe factory

Large Diameter Round Precision Seamless Steel Tube / Seamless Carbon Steel Pipe

Large Diameter Round Precision Seamless Steel Tube / Seamless Carbon Steel Pipe Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: ... Read More
2017-03-14 13:47:38
China Fluid Transportation Hot Finished Pipe Gas Transportation circular steel tube Seamless factory

Fluid Transportation Hot Finished Pipe Gas Transportation circular steel tube Seamless

Fluid Transportation Hot Finished Pipe Gas Transportation circular steel tube Seamless Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China Heat Resistant Boiler JIS G 3454 Seamless Carbon Steel Pipe Wall Thickness 12mm factory

Heat Resistant Boiler JIS G 3454 Seamless Carbon Steel Pipe Wall Thickness 12mm

Heat Resistant Boiler JIS G 3454 Seamless Carbon Steel Pipe Wall Thickness 12mm Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: ... Read More
2017-03-14 13:47:38
China Structural 1/2 - 5 Inch Seamless Alloy Steel Pipe Tube For Heat-Exchanger factory

Structural 1/2 - 5 Inch Seamless Alloy Steel Pipe Tube For Heat-Exchanger

Structural 1/2 - 5 Inch Seamless Alloy Steel Pipe Tube For Heat-Exchanger Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
China ASTM A106 Hot Finished Pipe Carbon Steel with Oiling 1m - 16m factory

ASTM A106 Hot Finished Pipe Carbon Steel with Oiling 1m - 16m

ASTM A106 Hot Finished Pipe Carbon Steel with Oiling 1m - 16m Specifications: Steel Grade: A/B/C Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
China Industrial Threaded Hot Roll / Cold Drawn Seamless Carbon Steel Pipe factory

Industrial Threaded Hot Roll / Cold Drawn Seamless Carbon Steel Pipe

Industrial Threaded Hot Roll / Cold Drawn Seamless Carbon Steel Pipe Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
China ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary factory

ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary

ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
Page 4 of 21|< 1 2 3 4 5 6 7 8 9 10 >|