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 Black Painting Carbon Steel Seamless Tube Wall Thickness 1.5-12mm For Mechanical factory

Black Painting Carbon Steel Seamless Tube Wall Thickness 1.5-12mm For Mechanical

Black Painting Carbon Steel Seamless Tube Wall Thickness 1.5-12mm For Mechanical GOST 8734-75 SEAMLESS COLD-FORMED STEEL TUBES Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation... Read More
2017-03-14 13:47:38
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 Cold Drawn Low Tensile Carbon Steel Seamless Tubing ASTM A179 / ASME SA179 factory

Cold Drawn Low Tensile Carbon Steel Seamless Tubing ASTM A179 / ASME SA179

Cold Drawn Low Tensile Carbon Steel Seamless Tubing ASTM A179 / ASME SA179 COLD DRAWN CARBON STEEL SEAMLESS TUBE Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/As per required Ends: BE... Read More
2017-03-14 13:47:38
China Gas / Steam / Water Transportation And black / bare /oiled steel pipe ASTM A53 factory

Gas / Steam / Water Transportation And black / bare /oiled steel pipe ASTM A53

Gas / Steam / Water Transportation And black / bare /oiled steel pipe ASTM A53 Specifications: ASTM A53/A53M(ASME SA53/53M) Seamless Steel Pipe Steel Grade: A/B Surface Treatment: Oiling/Black painting/Varnish... Read More
2017-03-14 13:47:38
China Low Pressure Carbon Steel Seamless Tube OD 15mm - 90mm WT 1.5mm - 12mm factory

Low Pressure Carbon Steel Seamless Tube OD 15mm - 90mm WT 1.5mm - 12mm

Low Pressure Carbon Steel Seamless Tube OD 15mm - 90mm WT 1.5mm - 12mm EN10216-1 SEAMLESS CARBON STEEL HIGH PRESSURE PIPE EN10216-1 Part 1: Non-Alloy steel tubes with specified room temperature properties ... Read More
2017-03-14 13:47:38
China Carbon Steel Seamless Tube, Cold Drawn, Size 89 * 3.5 * 6000mm, bare tube factory

Carbon Steel Seamless Tube, Cold Drawn, Size 89 * 3.5 * 6000mm, bare tube

COLD DRAWN SEAMLESS CARBON STEEL TUBE FOR STRUCTURE / BOILER / PETRO-CHEMICAL / FLUID TRANSPORTATION / AUTO PARTS Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating... Read More
2015-12-22 17:28:04
China Carbon Steel Seamless Tube, Cold Drawn, Size 38 * 2.5 mm, Cold Finished, bare tube factory

Carbon Steel Seamless Tube, Cold Drawn, Size 38 * 2.5 mm, Cold Finished, bare tube

CARBON STEEL SEAMLESS TUBE FOR STRUCTURE / BOILER / PETRO-CHEMICAL / FLUID TRANSPORTATION / AUTO PARTS Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE... Read More
2015-12-22 17:28:04
China Black Painted/Bare Hot Finished Pipe large diameter steel pipe EN10297-1 factory

Black Painted/Bare Hot Finished Pipe large diameter steel pipe EN10297-1

Black Painted/Bare Hot Finished Pipe large diameter steel pipe EN10297-1 EN10297-1 SEAMLESS CIRCULAR STEEL PIPES FOR MECHANICAL AND GENERAL ENGINEERING PURPOSES Part 1: Non-Alloy and Alloy steel tubes ... Read More
2017-03-14 13:47:38
China Large Diameter Thin Wall Carbon Seamless Steel Pipe / Seamless Mechanical Tubing factory

Large Diameter Thin Wall Carbon Seamless Steel Pipe / Seamless Mechanical Tubing

Large Diameter Thin Wall Carbon Seamless Steel Pipe / Seamless Mechanical Tubing Specifications: Surface Treatment: Bare/Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling/As per requirement Ends: ... Read More
2017-03-14 13:47:38
China Thin Wall Carbon Steel Seamless Pipe factory

Thin Wall Carbon Steel Seamless Pipe

Large Diameter Thin Wall Carbon Seamless Steel Pipe / Seamless Mechanical Tubing Specifications: Surface Treatment: Bare/Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling/As per requirement Ends: ... Read More
2015-11-11 15:53:17
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