Wining the majority from the crucial certifications of its market for S45C Honed Steel Pipe, Hydraulic Cylinder Pipes, Tube Welding Positioner. We adhere to the business philosophy of reliable quality and customer first, and sincerely look forward to cooperating with you. We always adhere to the 'integrity-based, customer-oriented' business philosophy. We sincerely hope to cooperate with you with our professional and perfect technology and service. To this end, we have established a sound pre-sale, sales, after-sales service system, with our warm, thoughtful service, to help customers solve problems and achieve common growth.
Seamless Hydraulic Srb Tube Introduction
Skived and roller burnished tubes are presicion tubes with smooth inside , they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose. IF you are looking for seamless cold drawn honed tubes or SRB tubes for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.
Seamless Hydraulic Srb Tubes technical parameters and Details
Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.
Original: Jiangsu, China
Certification: ISO9001.
Material: SAE1020, 20#, ST45, CK45, ST52, E355
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: packed in bundle, oiled inside, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Size and Tolerance:
Working method | Cylinder ID （mm） | Length （m） | Straightness （mm/m） | Tolerance on ID | Tolerance on WT | Roughness （μm） |
Cold drawn | 40-320 | ≤12M | 0.2-0.5 | / | ±5% | 0.8-1.6 |
Cold rolling | 30-100 | ≥12M | 0.2-0.5 | / | ±5% | 0.8-1.2 |
cold drawn- honed | 40-500 | 8M | 0.2-0.3 | H8-H9 | ±5% | 0.2-0.8 |
Cold drawn-skived | 40-400 | 7M | 0.2-0.3 | H8-H9 | ±5% | ≤0.4 |
Deep hole boring- honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.8 |
Deep hole boring- skived | 320-400 | 7M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |
Production process
Raw material – annealing for material of 45#, 27SiMn, 25Mn – Acid cleaning – parkerizing & Saponifying – cold drawn – leveling – saw off bad section – stress relieving – leveling –honing or skiving – inspection – oiled plated - packing
Quality control
1. We only buy raw material from famous tube factory, and Checking raw material quality before production.
2. We check the tube ID tolerance, OD tolerance and surface after cold drawn one by one.
3. We inspect the honed tube inside tolerance and surface again one by one after honing or skiving.
FAQ
1. Q:Are you a manufacturer, trading company or a third party?
A:We are a manufacturer, and we have builded up our company since 2006.
2. Q:If i will need to stay in your place for few days, is that possible to book the hotel for me?
A:It’s always my pleasure, hotel booking service is available.
3. Q:What is your minimum order quantity, can you send me samples?
A: the Exact MOQ depends on your exact requirement. And sample is available.
4. Q:What is the delivery time?
A: Usually from 20 to 40 days.
5. Q:Is your price competitive?
A: Only good quality we supply. Surely we will give you best factory price based on
superior product and service.
6. Q: How is your price level?
A: Factory direct sale, we have whole production line ourselves.
7. Q:What kinds of physical and chemical testing you can provide?
A:The physical and chemical testing we provide include:
Øchemical composition testing, physical property testing：hardness test，Tensile performance testing.
We will continue improving and strengthening the quality management system to ensure that our DIN2391 St52 Srb Cold Drawn Seamless Honed Tube for Hydraulic Cylinder meets the highest industry standards. If you are interested in our products, please feel free to visit our web site or contact us. We support our prospective buyers with ideal top quality merchandise and superior level provider.
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