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ST35 ST35.8 Hydraulic Cylinder Honed Tube  High Precision Mild Steel CS Steel Pipe

Categories Hydraulic Cylinder Steel Tube
Brand Name: UST
Model Number: WT: 1-40mm;OD: 6-426mm
Certification: ISO 9001
Place of Origin: China
MOQ: MOQ: 3 ton
Price: USD 700- 2000/ton
Supply Ability: 1000 ton/month
Delivery Time: Within 15-35 days
Packaging Details: Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Payment Terms: L/C, T/T, D/A, D/P
Section Shape: Round
Surface: Black, Bright, Smooth
Certificate: SGS IAF ISO CNAS
End protector:: Plastic Pipe Cap
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    • Company Profile

    ST35 ST35.8 Hydraulic Cylinder Honed Tube  High Precision Mild Steel CS Steel Pipe

    St35 Hydraulic Cylinder Steel Tube Hign Precision Honing and Skiving Pipe


    We are distributors, Dealers, stockists, exporters and suppliers of world class ST35 & ST 35.8 steel pipe and we deliver these pipes to our clients located in all corners of the globe. To ensure that our ST 35 steel pipes meet the highest quality standards, we manufacture them using the highest quality raw materials and we also run them through the most rigid quality parameters. We also supply our clients with Material Test Certificates (MTC), as per EN 10204 3.1 and EN 10204 3.2. For all your needs for EN 10305 ST 35 steel pipe, no matter where you might be located in the world, be sure to contact us, we assure you of the best price and the best quality and service.

    • DIN 2391 ST 35 steel pipe are also called mild steel tubes or mild steel pipes. These pipes and tubes are very popular as they cost less.
    • Another reason why these Mild Steel pipes and tubes are in very big demand is because they are easy to shape & form.
    • ST35 mild steel pipes have a minimum manganese content of 40% and a maximum carbon content of 17%.
    • ST 35 carbon steel tubes are manufactured by the cold rolled process or by the cold drawn process.
    • ST 35 steel pipe are commonly known as MS pipes or CS pipes and they are manufactured by us in accordance with DIN Specifications.
    • ST35 steel tube are not as hard as carbon steel pipes, but with the process of carburizing, it is possible to increase their surface hardness. These pipes have the capacity to withstand very high pressures and they also have high-temperature resistivity.
    • ST 35 pipes can be procured from us in various forms, sizes, shapes and thicknesses and they are also tailor-made by us, to meet specific needs of clients.
    • We provide these ST 35 steel pipes in accordance with the specific needs of customers and pack them as per the requirements of customers, for export orders, to any place in the world. To build these pipes and tubes, we make use of the very latest cutting edge technology.
    • Our DIN 2391 ST35 steel pipes are highly efficient, extremely durable and they are available at very affordable prices.


    ST 35 steel pipes are used in various industries like aerospace industry, steel industry, electronic industry, sugar industry, chemical industry, food industry, soap industry, etc.

    ST35.8 pipe are primarily used where there is a need for good surface condition, small wall thickness and accuracy to dimension. These steel pipes are used in pneumatic cylinders, hydraulic cylinders, automotive engineering, mechanical engineering and various other industries and applications. ST35.8 pipes are essentially seamless steel pipes that are used in tank construction, high pressure piping and boiler installations. These pipes are also used in special machinery that is used in high pressure installations and high temperature installations.


    DescriptionDIN 2391 ST 35 ST 35.8 Honed Tube
    Supply Capacity3000 tons/month
    Process MethodCold Drawn or Cold Rolled
    Outer Diameter6-426mm
    Wall Thickness1-40mm
    LengthSPECIFIC OR AT RANDOM as required, 15 Mtr max, Cut to Length Available
    StandardsEN 10305, DIN 2391, JIS G3445
    SurfaceBlack, smooth, turned, peeled, grind, polished, oiled and painted surface or other anti-corrosive treatment per customers’ requests
    EndBeveled, plain end, vanished or plastic caps
    Packing1.with plastic cap to protect both ends
    2.plastic bag wrapped outside the pipe
    3.bundles to be covered by polythene & strapped securely .
    CertificateThird Party inspection is acceptable (SGS, BV etc.)
    Delivery timeShipped in 15-35 days after payment
    Trade TermFOB CFR CIF


    I.D tolerance (mm)O.D tolerance (mm)Straightness (mm)





    Cold finished/ hard


    Tubes do not undergo heat treatment following the final cold forming and thus have a rather high resistance to deformation

    Cold finished/ soft


    The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming

    Cold finished and stress relieved


    Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree



    The last cold forming process is followed by anneling above the upper transformation point in a controlled atmosphere



    The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

    Relavent Standard & Grades Equivalency

    Steel GradeGB ChinaJIS JapanASTM AmericaDin German
    Steel GradeSteel GradeSteel StandardSteel GradeSteel GradeMaterialSteel Standard
    Carbon Steel Pipe/Tube(Q235)Steel Pipe/TubeGGP STPY41G3452 G3457(A53 F) A283-D(St33)1.0033DIN1626
    10#Steel Pipe/TubeSTPG38G3454



    STS38G3455St35.8 St35.41.0305 1.0309DIN1629/4
    STB30G3461A179-C A214-CSt35.81.0305DIN17175



    20#Steel Pipe/TubeSTPG42G3454



    (St42) St42-21.0130 1.0132DIN1626
    STS42G3455A178-C A210-A-1St45-41.0309DIN1629/4

    Chemical Requirements, Composition, %

    DIN 2391ST350.17max0.35max0.40min0.025max0.025max

    Mechanical Properties

    Delivery ConditionCold Finished (BK)Stress relieved (BKS)
    St 35≥480≥642031514


    Inspection and test list for the DIN 2391 Standard

    Inspection or test typesTest frequency
    Internal testAcceptance test
    Chemical analysisMM
    Tensile testingMOne per tested batch
    Flattening test or extension testMTwo per tested batch
    Dimension verificationMM
    Visual inspectionMM
    NDT in order to identify leaksIndividualIndividual

    What we can offer?

    -We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.

    -Machining and heat treatment are available.

    -Also, we advise you in choosing the right materials.

    Quality Assurance

    Below inspection will be done in the production.
    (1) ray detection---RT;
    (2) ultrasonic testing---UT;
    (3) Magnetic Particle Testing-MT;
    (4) penetration testing-PT;
    (5) eddy current flaw detection-ET


    In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request

    Payment & Delivery

    1. Both T/T and L/C will be acceptable

    2. Trade Terms: FOB, CIF, CFR

    3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties

    4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples

    Company Information

    Shanghai Unite Steel Trading Co., Ltd

    We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

    In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.

    What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!


    Q: Are you a manufacturer or merely a trader?
    A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.

    Q: How do you guarantee the quality of your product?
    A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.

    Q: Delivery time?
    A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.

    Q: What is the payment term?
    A: T/T or L/C.

    Q: Can we visit your company and factory?
    A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.

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