CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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black carbon 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

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black carbon steel pipe

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China DIN 17175 ST45.8 / 1.0405 Seamless Boiler Tubes , Heat Resistant Seamless Steel Tube OD45mm factory

DIN 17175 ST45.8 / 1.0405 Seamless Boiler Tubes , Heat Resistant Seamless Steel Tube OD45mm

DIN 17175 ST45.8 / 1.0405 Seamless Boiler Tubes , Heat Resistant Seamless Steel Tube OD45mm DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without ... Read More
2017-03-14 14:00:01
China Seamlss Alloy Steel Hydraulic Cylinder Tube OD 6MM - 350MM Fixed Length factory

Seamlss Alloy Steel Hydraulic Cylinder Tube OD 6MM - 350MM Fixed Length

Seamlss Carbon / Alloy Steel Hydraulic Cylinder Tube OD 6MM - 350MM Fixed Length 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 JIS G 3461 Cold Drawn U Bend Tube With Oiling / Black Painting / Varnish Surface factory

JIS G 3461 Cold Drawn U Bend Tube With Oiling / Black Painting / Varnish Surface

JIS G 3461 Cold Drawn U Bend Tube With Oiling / Black Painting / Varnish Surface Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China Precision Cold Drawn Seamless Tube , Round Black Boiler And Seamless Pipe 6m - 16m factory

Precision Cold Drawn Seamless Tube , Round Black Boiler And Seamless Pipe 6m - 16m

Precision Cold Drawn Seamless Tube , Round Black Boiler And Seamless Pipe 6m - 16m BS3059-2 STEEL BOILER AND SUPERHEATER TUBES Part 2. Specification for carbon, alloy and austenitic stainless steel tubes with ... Read More
2017-03-14 13:47:38
China Standard Seamless U Bend Pipe , Cold Drawn Heat Exchanger Tubing BS3059-2 factory

Standard Seamless U Bend Pipe , Cold Drawn Heat Exchanger Tubing BS3059-2

Standard Seamless U Bend Pipe , Cold Drawn Heat Exchanger Tubing BS3059-2 U BEND PIPE BS3059-2 HEAT EXCHANGER TUBE BS3059-2 Part 2. Specification for carbon, alloy and austenitic stainless steel tubes with ... Read More
2017-03-14 13:47:38
China Heat Resisting Steel Seamless Boiler Tubes , Round Seamless Mechanical Tubing factory

Heat Resisting Steel Seamless Boiler Tubes , Round Seamless Mechanical Tubing

Heat Resisting Steel Seamless Boiler Tubes , Round Seamless Mechanical Tubing BS3059-2 STEEL BOILER AND SUPERHEATER TUBES Part 2. Specification for carbon, alloy and austenitic stainless steel tubes with ... Read More
2017-03-14 13:47:38
China Precision Cold Drawn Seamless Tube factory

Precision Cold Drawn Seamless Tube

Hydraulic Precision Cold Drawn Seamless Tube And Pipe / Thick Wall Steel Tube Specifications: ASTM A106 COLD DRAWN SEAMLESS CARBON STEEL TUBE Steel Grade: A/B/C Surface Treatment: Oiling/Black painting/Varnish... Read More
2015-11-11 15:47:26
China High Pressure Cold Drawn Seamless Tube factory

High Pressure Cold Drawn Seamless Tube

High Pressure Cold Drawn Seamless Tube Carbon Steel Pipe, Black Painting ASTM A106 ( ASME SA106 ) GRADE A/B/C COLD DRAWN SEAMLESS TUBE FOR PRESSURE SERVICE Specifications: Steel Grade: A/B/C Surface Treatment: ... Read More
2015-11-11 15:47:28
China Precision Heat Exchanger And Condenser Tube With Oiling And Ends Caps factory

Precision Heat Exchanger And Condenser Tube With Oiling And Ends Caps

Precision Heat Exchanger And Condenser Tube With Oiling And Ends Caps ASTM A179(ASME SA179) Seamless Steel Pipes for Heat-exchanger and condenser Surface Treatment: Oiling/Black painting/Varnish/Passivation... Read More
2017-03-14 13:47:38
China ASME SA210 A1 / C Seamless Boiler Tubes with Phosphating / Oiling factory

ASME SA210 A1 / C Seamless Boiler Tubes with Phosphating / Oiling

ASME SA210 A1 / C Seamless Boiler Tubes with Phosphating / Oiling 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
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