DIN 2391 ST52 H8 Honed Tube
Descriptions of Hydraulic Cylinder Honed Tube
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Honed tube for hydraulic cylinder
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Standard
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DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713... | |
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Material
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ST45, ST52, E355, E355SR, STKM13C, SAE1026, 20#, Q235B, CK45... | |
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Heat treatment
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BK+S | |
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Specification
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Outer diameter(mm)
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Inner diameter(mm) |
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50-300mm
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40-250 | |
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I.D Tolerance
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H8-H9 | |
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Length
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3-9m (Customers usually choose the 4~5.8m) | |
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Straightness
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1/1000 | |
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ID roughness
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RA 0.4micron(max) | |
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Technology
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Honed & SRB(SKIVED AND ROLLER BURNISHED ) | |
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Scope
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Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application |
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Chemical Component:
| Steel Grade |
Chemical Composition (%) |
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| C | Si | Mn | P | S | Cr | |
| ≤ | ||||||
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St45
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0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 |
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ST52(E355)
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≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.25 |
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SAE1026
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0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.040 | 0.050 | / |
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27SiMn
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0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.035 | 0.035 | 0.300 |
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20#
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0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 |
Mechanical Properties
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Delivery condition
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BKS Cold Drawn & Stress-Relieved |
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Steel Grade
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Rm MPa | ReH MPa | Elongation A5(%) |
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ST45
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≥520 | ≥375 | ≥15 |
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ST52(E355)
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≥600 | ≥520 | ≥14 |
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SAE1026
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≥600 | ≥510 | ≥15 |
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16Mn
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≥600 | ≥520 | ≥14 |
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20#
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≥520 | ≥375 | ≥15 |
Advantage of Product
1)Professional & skilled, reliable.
2)One-stop total solution
3)ready stock goods with fast delivery
4)Customizable: Non-standard sizes are also available
5)Small quantity is acceptable
6)Cash back: Refund or replacement for any product faulty
What is your Guarantee?
1.SO9001:2008 and TS16949 certification, SGS, BV, TUV or other third party inspection is available.
2.High quality with competitive price.
3.Advanced technology, experienced engineer, ISO quality system for quality assurance and traceability.
Do you have agent or distributor in our country?
1.We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.
How is your production capability?
1.2000 tons monthly production capacity, 5000 tons monthly trading capability
2.Prompt and Timely shipment
How to get the sample?
1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
What is your Payment Term?
1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation
Who are your customers?
1.Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc
How long will you react on our requirement?
1.Your requirement would be treated within 24 hours on weekdays. Quotations would be sent upon technical details confirmed by customer!
Any more questions about your doubts, please feel free to send us your emails or call!
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.