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Shandong Wantong Hydraulic Co., Ltd.

Cylinder Tube, Seamless Steel Tube, Cold Drawn Tube manufacturer / supplier in China, offering St52 High Quality Cold Drawn Seamless Honed Bore Tube, Hot Sale Honed Tube Cold Drawn Seamless Steel Tube for Hydraulic Cylinder, Industrial Cold Drawn Honed Seamless Steel Tube System and so on.

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Supplier Homepage Product Components and accessories St52 High Quality Cold Drawn Seamless Honed Bore Tube

St52 High Quality Cold Drawn Seamless Honed Bore Tube

FOB Price: US $1,000-1,100 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $1,000-1,100/ Ton
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Port: Qingdao, China
Production Capacity: 200, 000 Sets / Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: Honed Bore Tube
  • MPa Classfication: High Pressure Piping
  • Standard: ASTM, GB
  • Connection Type: Seamless
  • Tolerance: H9-H11
  • Delivery Time: 20 Days
  • Trademark: WTJX
  • Specification: Length: <=12mm
  • HS Code: 841221
  • Temperature Classification: High Temperature Piping
  • Material: Steel
  • Cross-Section Shape: Round
  • Roughness of Inner: 0.8-1.6
  • Place of Origin: Shandong, China
  • Length: <=12m
  • Transport Package: Pallet, Wooden Case or as Customer′s Requirement
  • Origin: Rizhao, Shandong
Product Description
St52 High Quality Cold Drawn Seamless Honed Bore Tube
 
1. Standard&material: DIN2391-2 ST52, EN10305-1 E355, C45E, 34CrMo4, ASTM A106, A519 SAE1020, SAE1026, SAE1045, SAE4130, SAE4140, API 5L. 
2. Size range: 50mm*40mm - 480mm*420mm 
3. Manufacture method: Cold rolled, cold drawn 
4. Treatment method of internal surface: Honed
5. Delivery condition: BK, BKW, BKS, GBK, NBK.
7. Tolerance of W. T: +/-5%
8. Roughness of internal surface: 0.35um max.
9. Straightness of tubes: 0.5mm/1000mm, 0.8mm/1000mm, 1mm/1000mm according to   length of tubes required.
 Product Advantages: 
1 more than 22 years manufacture experience
2 Our own factory
3 ISO9001-2008
4 Competitive price and high quality
4 Competitive price and high quality
5 Based on your drawing or requirement
6 rigid matching control and proper seals
7 Easy install and easy maintain

Quality
Quality is always top priority.
Wantong Hydraulic understands the importance of quality, and maintains a focus on producing a high level of quality, cleanliness in installation and 100% testing of all cylinders. As a result, our customers know that Wantong Hydraulic cylinders are always an excellent choice for applications that require durability and constant use, and where maintenance and repairs must be kept to a minimum.
All of our production sites are certified according to ISO/TS16949: 2009 covering Sales, Development, Production and Service of hydraulic cylinders. 
Welding technics has been approved by CCS and GL. 
Productions are mostly carried out by CNC machines.

Product process:
1.Raw materials entering the factory, 27SiMn, 40CrMo, ST52, 45# steel tubes or bars for choice
2.Do the pre-treatment including pickling, phosphating and saponification, and then cold-draw the seamless steel tubes.
3.Put the steel tubes into the tempering furnace to do the stress relief annealing in convenience of the subsequent the processing.
4.Multi-roll straightening machine, with 10 straightening points, achieves the automatic rolling straight improving the efficiency greatly
5.Heat treatment to obtain work pieces with different properties by changing their internal microstructure or surface chemical composition.
6.Cylindrical degree can be controlled within 0.03mm and the surface roughness is up to 0.4 by honing with range:φ40mm-φ450mm and longest length: 12000mm

Quality Control:
>All specification is designed by professional engineer.
>All material is high quality-Seal kits were purchased from USA, Japan, UK and Sweden.
>All material is processed by skilled workers and advanced CNC lathe
>All cylinders are 100% tested before package to ensure every cylinder is qualified for its purpose
>Package is air cushion film for each cylinder and steel case for all cylinders to ensure goods can arrive at customer safely
>14 months warranty and long time track service is offered to solve any problems you meet after sale.


After-sales service

Warranty period:
Wantong Hydraulic warrants all cylinders to be free from any defects in material or workmanship under normal use and service for a period of 14 months

Exclusion clause:
This warranty does not cover & WANTONG shall have no responsibility for:
1.Troubleshooting, diagnostic, removal, or reinstallation labor charges;
2.Freight charges for either defective parts or new or repaired parts unless prior written approvalis obtained from WANTONG;
3.Claims for loss of time, inconvenience, loss of use, profits or other consequential damages
4.Conditions from, alteration, accident, misuse, neglect, fire, theft, loss, intentional damage, direct,indirect, consequential, incidental, weather related, or any other type of damage resulting fromthe use of the product;
5.Corrosion unless the material is found to be out of specification;
6.Failure due to contamination introduced to the cylinder;
7.Paint unless out of specification;


Our company:

Founded in 1995, with registration capital of 60 million RMB, Shandong Wantong Hydraulic Co., Ltd is specialized in hydraulic products design,R&D and manufacturing.

We mainly produce Hydraulic Cylinder including Vehicle Hydraulic Cylinder, Coal Mining Hydraulic Cylinder, Engineering Hydraulic Cylinder ,Oil field cylinder and Ocean Engineering Hydraulic Cylinder.Also we can design and manufacture various special purpose hydraulic cylinders such as agriculture hydraulic cylinder,industry hydraulic cylinder, 6 DOF platform, machine tools, etc.

We have more than 120 kinds of hydraulic cylinder , our annual capacity is 200 thousand sets of cylinders which makes our company an important production base for hydraulic cylinders.

Our company covers an area of 180 thousand square meters (193 thousand square feet),and has more than 500 employees.We have solid and advanced production equipments including cold drawing line, heat treatment line, surface treatment line, testing machines and various CNC machines, totally 700 sets of machines.

Company advantage:

 All production steps are finished in same factory which guarantees good quality and short lead time. All the products have passed validation of ISO/TS16949, CCRI, CCS, and DNV AND ABS,API,etc.
>Professional manufacturer& supplier of Hydraulic Cylinders for more than 22 years;
>Hydraulic Cylinders Certification ISO9001:2008, SGS, TS16949, RoHS, CNAS Certification;
>Experience in export North America, Australia, Asia, Middle East, Africa;
>Hydraulic Cylinders can be Make according to client's requirements;
>The Hydraulic Cylinders can be used for Dump Truck, Tipper Truck, Trailer, Agricultural Machinery, Engineering Machinery, Garbage Truck, Landing Platform etc;
>We are the supplier of Sinotruk, CNHTC, CIMC, Wuzheng, Beiben Truck, Baic Group, FOTON, HOWO, JAC, Sichuan Hyundai, Dayun, Shanxi Automobile, most of famous truck manufacturing and refitting company use our telescopic cylinder as first choice


FAQ
 
Q1: Are you a manufacture or a trade company?
A:Manufacture, we are the leader manufacturer of hydraulic industry in China with 22 years' experience     and technologyaccumulation.With strong technical team we could solve any annoyance of you.
 
Q2: Do you have quality control system?
A:Yes, The quality management system introduced is: ISO/TS 16949:2009-certifiedby NQA and IATF cert.
 
Q3: How can i get a booklet and buy a cylinder from you?
A: Very easy! Just leave me a message or email or call me directly, let me know you are interesting in      our products.I will talk with you for the details soon!
 
Q4: Can you tell me the price for the cylinder?
A:
1. Please advice the drawing with technical requirement.
2. Please advice the model No. after you check our booklet.
3. Please advice the tipping capacity, number of stages, closed length, mounting type and size.               
4. Please also help advice the quantities, this is very important.
 
Q5: Do your products come with a warranty?
A: Yes, we have 14 months warranty. In this year, if the quality problem we will free repair for you.
 
Q6: Hydraulic cylinder internal leakage?
A: 3 main reasons causing internal leakage: Overload, polishing bad controlled, cheap seal kits. As is        known to all, vehicles in China are often overloaded, our products all designed to bear the overload      power. Advanced equipment could assure the polish processing. And we use the imported/TOP brand    seals to meet customers' requirement.
 
Q7: What about the quality feedback of your products?
A: We have never received even once quality complaint for many years of international business.
 
Q8: Can you help me to install or recommend what kind of hydrauliccylinder or power pack should I use      for specific machine?
A: Yes, we have 25 experienced engineers who are always ready to help you. If you do not know what      kind of hydraulic cylinders should be used in your machine, please just contact us, our engineers will    design the exact products match your need.
  
Q9:What is the delivery time?
A: Within 20 days for samples.
   15-30 days for bulk production, which is depend on quality, production process and so on.
 
Q10: What is your main payment term?
 A: T/T, L/C,D/A, D/P either is available.
 
Q11: What's the MOQ?
A: The MOQ is 1 piece.

Q12:How to contact you?
A:Harper Telphone:+86 17763326516


 
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