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 Structural Din Cold Drawn Precision Steel Pipe Seamless Steel Tube 6m - 16m factory

Structural Din Cold Drawn Precision Steel Pipe Seamless Steel Tube 6m - 16m

Structural Din Cold Drawn Precision Steel Pipe Seamless Steel Tube 6m - 16m Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: PE/BE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China Carbon Steel Seamless Tube, Cold Drawn, Size 32 * 2.5 mm, Hot Finished, bare tube factory

Carbon Steel Seamless Tube, Cold Drawn, Size 32 * 2.5 mm, Hot Finished, bare tube

CARBON STEEL SEAMLESS TUBE SIZE 32 * 2.5 MM 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 Low pressure cold drawn / hot roll seamless steel pipe OD 10.2 - 711mm, P195 / P235 / P265 factory

Low pressure cold drawn / hot roll seamless steel pipe OD 10.2 - 711mm, P195 / P235 / P265

Low pressure cold drawn/hot roll seamless steel tube OD 10.2 - 711mm P195 / P235 / P265 SEAMLESS STEEL PIPE EN10216-1 FOR PRESSURE PURPOSES Part 1: Non-Alloy steel tubes with specified room temperature ... Read More
2017-03-14 13:47:38
China High Pressure Unalloyed Carbon Steel Seamless Tube , Heat Temperature Resistant factory

High Pressure Unalloyed Carbon Steel Seamless Tube , Heat Temperature Resistant

High Pressure Unalloyed Carbon Steel Seamless Tube , Heat Temperature Resistant Specifications: Surface Treatment: Bare/Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling or as per required Ends: PE... Read More
2017-03-14 13:47:38
China Round Carbon Steel Seamless Tube factory

Round Carbon Steel Seamless Tube

High Pressure Unalloyed Carbon Steel Seamless Tube , Heat Temperature Resistant Specifications: Surface Treatment: Bare/Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling or as per required Ends: PE... Read More
2015-11-11 15:53:16
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 GB 9948  Cold Drawn Seamless Tube for Petroleum cracking, carbon steel, OD 15 - 90 mm factory

GB 9948 Cold Drawn Seamless Tube for Petroleum cracking, carbon steel, OD 15 - 90 mm

GB 9948 SEAMLESS STEEL TUBES FOR PETROLEUM CRACKING Specifications: Steel Grade: 10/20/12CrMo/15CrMo Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps Marking: as ... Read More
2015-12-22 17:28:04
China Industrial Precision Seamless Steel Tubes , Cold Drawn and Stress Relieved factory

Industrial Precision Seamless Steel Tubes , Cold Drawn and Stress Relieved

Industrial Precision Seamless Steel Tubes with Cold Drawn and Stress Relieved 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 Building Structural Carbon Steel Seamless Black Steel Pipe With High Temperature Resistant factory

Building Structural Carbon Steel Seamless Black Steel Pipe With High Temperature Resistant

Building Structural Carbon Steel Seamless Black Steel Pipe With High Temperature Resistant Specifications: Steel Grade: A/B/C Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE... Read More
2017-03-14 13:47:38
China High Pressure Cold Drawn Seamless Tube Carbon Steel Pipe,  Black Painting factory

High Pressure Cold Drawn Seamless Tube Carbon Steel Pipe, Black Painting

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
2017-03-14 13:47:38
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