CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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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

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seamless black steel pipe

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China ASTM A179 Seamless Carbon Steel Pipe OD 19.05mm / 25.4mm / 31.75mm factory

ASTM A179 Seamless Carbon Steel Pipe OD 19.05mm / 25.4mm / 31.75mm

ASTM A179 Seamless Carbon Steel Pipe OD 19.05mm / 25.4mm / 31.75mm ASTM A179 ( ASME SA179 ) COLD DRAWN SEAMLESS CARBON STEEL PIPE FOR HEAT - EXCHANGER AND CONDENSER Surface Treatment: Oiling/Black painting... Read More
2017-03-14 13:47:38
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 Round ASTM A179 Seamless Carbon Steel Pipe For Heat Exchanger And Condenser factory

Round ASTM A179 Seamless Carbon Steel Pipe For Heat Exchanger And Condenser

Round ASTM A179 Seamless Carbon Steel Pipe For Heat Exchanger And Condenser ASTM A179(ASME SA179) Seamless Steel Pipes for Heat-exchanger and condenser Surface Treatment: Oiling/Black painting/Varnish... Read More
2017-03-14 13:47:38
China ASME SA333 Gr.6 seamless carbon steel pipe for Low Temperature application factory

ASME SA333 Gr.6 seamless carbon steel pipe for Low Temperature application

ASME SA333 Gr.6 seamless carbon steel pipe for Low Temperature application SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as ... Read More
2017-03-14 14:12:28
China High Pressure Seamless Carbon Steel Pipe And Tube For Boiler / Super Heater factory

High Pressure Seamless Carbon Steel Pipe And Tube For Boiler / Super Heater

High Pressure Seamless Carbon Steel Pipe And Tube For Boiler / Super Heater BS3059-1 STEEL BOILER AND SUPERHEATER TUBES Part 1: Specification for low tensile carbon steel tubes without specified elevated ... Read More
2017-03-14 13:47:38
China Low Pressure Boiler Mild Steel Tube Seamless Carbon Steel Pipe ASTM A179 / SA179 factory

Low Pressure Boiler Mild Steel Tube Seamless Carbon Steel Pipe ASTM A179 / SA179

Low Pressure Boiler Mild Steel Tube Seamless Carbon Steel Pipe ASTM A179 / SA179 Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps Marking: as per requirement ... 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 Hot Roll EN10216-1 Round Carbon Steel Pipe Black Painting / Varnish / Oiling factory

Hot Roll EN10216-1 Round Carbon Steel Pipe Black Painting / Varnish / Oiling

Hot Roll EN10216-1 Round Carbon Steel Pipe Black Painting / Varnish / Oiling EN10216-1 SEAMLESS STEEL PIPE (TR1/TR2) FOR PRESSURE PURPOSES Part 1: Non-Alloy steel tubes with specified room temperature ... Read More
2017-03-14 13:47:38
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 Bare Cold Drawn Carbon Steel Seamless Tube 89 * 3.5 * 6000mm factory

Bare Cold Drawn Carbon Steel Seamless Tube 89 * 3.5 * 6000mm

Bare Cold Drawn Carbon Steel Seamless Tube 89 * 3.5 * 6000mm Specifications: Surface Treatment: Bare/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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