DIN2391 Precision Steel Tube

  • 100Cr6 Bearing Steel Tube

    Bearing steel pipe refers to hot rolled or cold rolled (cold drawn) seamless steel pipe used for manufacturing ordinary rolling bearing rings. The outer diameter of the steel pipe is 25-180mm, and the wall thickness is 3.5-20mm, which can be divided into two types: ordinary precision and higher precision. Bearing steel is used to make balls, rollers and bearing rings. Bearing works under great pressure and friction, so bearing steel is required to have high and uniform hardness, wear resistance and high elastic limit.

    The requirements for the uniformity of chemical composition, the content and distribution of non-metallic inclusions, and the distribution of carbides of bearing steel are very strict. It is one of the most stringent steel grades in all steel production.

    If any questions, please contact sales@grandsteeltube.com

  • A519 Seamless Mechanical Tube

    ASTM A519 specification covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished. The steel used in the mechanical tubing may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required. The seamless tubing is a tubular product made without a welded seam. It is usually manufactured by hot working steel, and if necessary, by subsequently cold finishing the hot-worked tubular product to produce the desired shape, dimensions and properties. The tubes shall be furnished in the following shapes: round, square, rectangular and special sections. Heat analysis shall be made to determine the percentages of the elements specified. If secondary melting processes are used, the heat analysis shall be obtained from one remelted ingot or the product of one remelted ingot of each primary melt. The tubing shall be coated with a film of oil before shaping to retard rust when specified

    If any questions, please contact sales@grandsteeltube.com

  • Black Phosphate Precision Tube

    Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. bright black. Color is homogeneously distributed on the tube surface. The tube has good property of antirust.
    Main Application: to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

    If any questions, please contact sales@grandsteeltube.com

  • Seamless High Precision Tube

    Synopsis of Process Routing: quality carbon steel → cold drawing → bright heat treatment without oxidization (NBK status) → nondestructive testing. In the wall honing and inside flushing under the high pressure→. Antirust oiling outside surface→ plastic capping on both ends.
    Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. Color of tube: gray with white.
    Main Application: to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

    If any questions,please contact sales@grandsteeltube.com

     

  • St 37.4 Black Phosphate Tube

    Synopsis of Process Routing: quality carbon steel → cold drawing → bright heat treatment without oxidization (NBK status) → nondestructive testing. In the wall honing and inside flushing under the high pressure→ plastic capping on both ends→Phosphating→Antirust oiling outside surface→Bundles

    Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. bright black. Color is homogeneously distributed on the tube surface. The tube has good property of antirust


    Main Application: to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

     

    If any questions,please contact sales@grandsteeltube.com
  • High Pressure Fuel Injection Tube

    Baosheng’s common rail fuel injection tubes are widely used  for heavy-duty diesel engines precisely according to customer requirements and specifications. We supply the worldwide leading diesel engine manufacturers with high-pressure fuel injection pipes, common-rail piping systems. Such engines power off-road vehicles, ships, locomotives and electrical power generators.

    All of our common rail fuel injection steel tubes are ground exactly to your specifications. Our reputation as a provider of common rail fuel injection steel tubes was built on our ability to meet and exceed the expectations of both client and industry standards.

    If any questions,welcome to contact sales@grandsteeltube.com

  • Seamless Hydraulic Steel Tubes

    Synopsis of Process Routing: quality carbon steel → cold drawing → bright heat treatment without oxidization (NBK status) → nondestructive testing. In the wall honing and inside flushing under the high pressure→. Antirust oiling outside surface→ plastic capping on both ends.
    Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. Color of tube: gray with white.
    Main Application: to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

    If any questions,please contact sales@grandsteeltube.com

     

  • SAE J524 Seamless Steel Tube

    SAE J524 covers cold drawn and annealed seamless low-carbon steel pressure tubing intended used for hydraulic lines and other applications. The J524 Seamless Hydraulic Tubing is especially favorable for flaring and bending, some industrial uses include aircraft, automotive, locomotive, vehicle, heavy equipment, and agricultural applications. Wiho metals supply and stock a large inventory of SAE J524 seamless tubing for the hydraulic applications and where fittings, couplings, and fluid lines are used. In addition, all of the tubes have an exceptionally bright and clean OD and ID.

    If any questions,you are more than welcome to contact sales@grandsteletube.com

  • Air Cylinder’s Steel Tube

    Synopsis of Process Routing: quality carbon steel → cold rolling→ bright heat treatment without oxidization (NBK status) → nondestructive testing. In the wall honing and inside flushing under the high pressure→. Antirust oiling outside surface→ plastic capping on both ends.
    Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. Color of tube: gray with white.
    Main Application: to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

    If any questions,please contact sales@grandsteeltube.com

  • Bright Annealed Steel Tube

    Synopsis of Process Routing: quality carbon steel → cold drawing → bright heat treatment without oxidization (NBK status) → nondestructive testing. In the wall honing and inside flushing under the high pressure→. Antirust oiling outside surface→ plastic capping on both ends.
    Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. Color of tube: gray with white.
    Main Application: to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

    If any questions,please contact sales@grandsteeltube.com

     

  • White galvanized steel tubes

    When producing galvanized steel tubes, we utilize advanced technical processing and use a chemical liquid imported from Germany. Both the inner and outer surfaces of the high precision steel tubes can be galvanized, giving them a high homogeneity and an excellent rust resistant performance.
    Zinc wall thickness 8-12um, and customized as per customer requirements. Salt spray test: common requirements- 80-120 hours, high requirements- 120-300 hours Cr+6 free, environmental type

    Process Description

    Using a high precision, fine drawn bright seamless steel tube as the steel pipe for galvanizing, the outer wall of the steel pipe is cold-galvanized, and both ends are covered for dust protection.

    If any questions,please contact sales@grandsteeltube.com

     

  • Yellow Galvanized Steel Tube

    1. We use high quality raw materials. All raw materials are supplied from internationally known steel makers.

    2. Each batch of raw material is checked for both chemical and mechanical properties, according to specifications.

    3. During the cold drawing process, our inspectors check every bundle three times: once at the beginning of the process, once during the middle, and finally, at the end of the cold drawing process.
    4. During the final heat treatment, every bundle has the surface checked, as well as mechanical properties through samplings.
    5. Non-destructive testing and manual inspection for each tube ensure the 100% quality rate before galvanization

    If any questions,please contact sales@grandsteeltube.com

  • Olive Green Galvanized Steel Tube

    1. We use high quality raw materials for the olive green galvanized steel tube. All raw materials are supplied from internationally known steel makers.

    2. Each batch of raw material is checked for both chemical and mechanical properties, according to specifications.

    3. During the cold drawing process, our inspectors check every bundle three times: once at the beginning of the process, once during the middle, and finally, at the end of the cold drawing process.
    4. During the final heat treatment, every bundle has the surface checked, as well as mechanical properties through samplings.
    5. Non-destructive testing and manual inspection for each tube ensure the 100% quality rate before galvanization

    If any questions,please contact sales@grandsteeltube.com

  • Shock Absorber Steel Tube

    Shock absorber precision steel tubes are suspension components that are responsible for absorbing the impact of avehicle’s movements. Through the shocks, the vehicle’s bounce cycle is cut short. If the car encounters abump on the road, it will still bounce; however, the shocks will shorten its bounce so that the driver and passengers will hardly feel it.

    If any questions,please contact sales@grandsteeltube.com

  • Oil Cylinder Steel Tubes

    Applications of Hydraulic honed tubing

    Honed tubing and SRB tubes (skived and roller burnished tubes) are mostly used as cylinder tube, such as hydraulic cylinder tube and pneumatic cylinder tubing, which are widely used for manufacturing and repairing hydraulic cylinders and pneumatic cylinders. As honed tube has very accuracy dimension tolerance and good surface smoothness, so this product is also used in applications where precision dimension or high smooth surface is need.

     

    If any questions,please contact sales@grandsteeltube.com