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Wuxi Boli Hydraulic Pneumatic Technology Co., Ltd.

Cylinder Tube, Gas Tube, Seamless Steel Pipe manufacturer / supplier in China, offering Seamless Steel Gas Tube Cylinder Pipe, Single Acting Front Flange Hydraulic Cylinders, Double Cardan Shaft for Sale and so on.

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Seamless Steel Gas Tube Cylinder Pipe

FOB Price: US $50-100,000 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $50-100,000/ Piece
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Port: Shanghai, China
Production Capacity: 1000000000 Pieces Per Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: BMTB-09
  • MPa Classfication: High Pressure Piping
  • Standard: ASTM, GB, API, DIN, JIS
  • Medium: Liquid
  • Connection Type: Welding
  • Certification: Ce
  • Cylinder Tube Material: Q195-Q345
  • Straightness: 0.3~0.8mm/M
  • Application: Hydraulic Pipe, Used for Hydraulic Cylinder
  • Transport Package: Wooden Box
  • Origin: China, Jiangsu
  • Temperature Classification: High Temperature Piping
  • Material: Steel
  • Diameter: 273mm
  • Cross-Section Shape: Round
  • Outer Diameter: 40 - 350 mm
  • Alloy or Not: Non-Alloy
  • Length: 3m-16m
  • Ends: Plain Ends, Cutting, Threading, Beveled, Flange,
  • Surface Treatment: Hard Chrome Plated or as Required,with Oiled,3 PE,
  • Specification: custom made
  • HS Code: 7306690000
Product Description
Product Description: 

The hydraulic cylinder tube is the main part of the hydraulic cylinder.The inner hole of the hydraulic cylinder tube usually precision processed by boring,reaming,rolling or honing. By these process can ensure the piston,sealing elements and the support elements move smoothly,then ensure the sealing effect and reduce the abrasion.The hydraulic cylinder tube will bear big pressure,so need high strength and stiffness. Honed tubes can be produced according to the demands of costumers that the degree of precision can reach H8/H9. Burnishing and honing service can be provided depending on the roughness requirement of inner diameter.

Seamless Steel Gas Tube Cylinder Pipe

Hydraulic Cylinder Honed Tube

Outer diameter: 25mm -500mm 

Wall thickness: 2-50mm

Grade: 1020, C45, ST52, ST52.3, 27SiMn, 25Mn

Technology: Cold Drawn, Cold roll, Honed, Skived, Burnished

Hydraulic Tube Material & Chemical Composition:
DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45
Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305 ASTM A519, DIN2391, EN10204-1

Application: construction machinery, metallurgical machinery, plastic machinery, mining machinery, road construction machinery, hydraulic and pneumatic cylinders.

Technical Datas:
Welding TechnologyDouble Submerged Arc Welding (DSAW)
Spiral Submerged Arc Welding (SSAW)
Material QualitySteel GradeQ195 similar to a283 GR.B, 040a10, ss330, sphc, s185
Q235 similar to a283 GR.D, 080a15,CS type B
Q345 similar to a737 GR.B, SS400, S235JR,
Material TypeAvailable in cold rolled and hot rolled
Size for honed hydraulic cylinder tubeW.T4mm-12mm
SurfaceGalvanized, 3PE, painting, coating oil, steel stamp, drilling, etc
Ends for honed hydraulic cylinder tubePlain ends, cutting, threading, beveled, flange, etc
PackingPacking in bundle with steel strips; with seaworthy package at the end; could be done with your requirement.
CertificationBV, IAF, SGS,COC, ISO or as per customer
Inspection for hydraulic cylinder tubeWith Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection
ApplicationUrban construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Building material tube, Low pressure fluid tube, Oil Industry pipe, etc
Trade TermsFOB, CFR, CIF, EXW, etc.
Payment TermsL/C, D/A, D/P, T/P Western Union, MoneyGram acceptable, T/T preferred
Delivery TimeUsually within 10-30 days after receipt of deposit, ASAP
Loading PortXingang , Tianjin
Original PlaceTianjin, China
Cooperation Ship-ownerMSK, CMA, MSC, HMM, COSCO, UA, NYK, OOCL, HPL, YML, MOL
CompanyBetten Hydraulic

Manufacturing ProcessTube IDLengthStraightness Dimensional AccuracyTolerance on IDInner Bore Roughness
honingΦ40-800mm≤13m0.2-0.3mmH8~H9±8%<=0.8 um

Chemical Composition

Manufacturing Process for Betten Honed tube

Betten Hydraulic value each step of processing the hydraulic cylinder tube:

1. Honing

2. SKiving&roller burnishing

3. Deep hole drilling

4. Milling

5. Grinding

6. Machining as per drawing

7. Polishing

Company Information:

Seamless Steel Gas Tube Cylinder Pipe

Betten Hydrauli has our own cylinder pipe manufacturing factory to produce the cold rolled/ drawn High Quality Honed Tube for Hydraulic Cylinder to promise the best quality control.

 According to the cylinder pressure and inside diameter size ,different steel tube Would be choosed .

 1.  ID ≤300mm , cold rolled precision seamless tube would be choosed to used as hydraulic cylinder tube

2.  300mm≤ID ≤500mm , hot rolled seamless tube would be choosed to used as hydraulic cylinder tube

3.  500mm≤ID ≤1000mm, forged tube would be choosed to used as hydraulic cylinder tube

 4. Cylinder tube steel grade : SAE1020 , SAE1045 ,27SiMn , S355JR ,S355J2G3

St52-3 ,SUS304 ,SUS316L etc .  

 5.  Cylinder tube inside boring and honing , roughness R0.2-R0.3,

 6. Cylinder tube inside chromating : if necessary ,tube inside chromating could be applied.

Related Spare Parts:

Seamless Steel Gas Tube Cylinder Pipe

Packing and Delivery:

Packing: in bundles tied with steel strips. Oil coating. End plastic caps. 

Seamless Steel Gas Tube Cylinder Pipe


1.  Abundant production experience

Betten Pipe Founded focused on precision cold drawn steel tube,honing pipe,anchor drill and hydraulic cylinder research and producing, after years of practice, has the abundant technical force and the good team.

2.  Quality raw materials

In order to improve product quality and reduce production cost, we always choose carefully and reserved the quality of the material after test and used. Our raw material suppliers are Baosteel Group Co., Ltd. and Tianjin iron and Steel Group Co., Ltd..

3.  The advanced processing equipment

Our Company is provided with the advanced production and processing equipment, measuring instruments and the first-rate working environment, thus making this enterprise have a stronger production capability and market competitiveness.

4.  Complete specification

We have various specifications of the mold. And we have products with best quality and complete specifications to guarantee the timely service.


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