Honed tube & Skived & Roller burnished tubing are widely used for hydraulic cylinder and pneumatic cylinder manufacturing. So, it is also known as honed cylinder tubing. We are one of best quality China honed tube suppliers & manufacturers. Our honed tubing is ready to use for hydraulic cylinder applications without further ID processing.
EN10305-1 Seamless Cold Drawn Tubes: Grade E215, E235, E355
Size: 4mm-260mm
W.T.: 0.5mm-25mm
Shape: Round
Length: Single random length/ Double random length or as customer's actual request.
Chemical Composition:
| Steel Grade |
Chemical Components (%) |
| Steel Name |
Steel Number |
C
max. |
Si
max. |
Mn
max. |
P
max. |
S
max. |
AL
min. |
| E215 |
1.0212 |
0.10 |
0.05 |
0.7 |
0.025 |
0.025 |
0.025 |
| E235 |
1.0308 |
0.17 |
0.35 |
1.2 |
0.025 |
0.025 |
/ |
| E355 |
1.058 |
0.22 |
0.55 |
1.6 |
0.025 |
0.025 |
/ |
Mechanical Properties:
| Mechanical properties at room temperature |
| Steel Grade |
Minimum values for the delivery condition |
| Steel Name |
Steel Number |
+C |
+LC |
+SR |
+A |
+N |
| Rm
Mpa |
A
% |
Rm
Mpa |
A
% |
Rm
Mpa |
ReH
Mpa |
A
% |
Rm
Mpa |
A
% |
Rm
Mpa |
ReH
Mpa |
A
% |
| E215 |
1.0212 |
430 |
8 |
380 |
12 |
380 |
280 |
16 |
280 |
30 |
290 to 430 |
25 |
30 |
| E235 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
350 |
16 |
315 |
25 |
340 to 480 |
235 |
25 |
| E355 |
1.0580 |
640 |
4 |
580 |
7 |
580 |
450 |
10 |
450 |
22 |
490 to 630 |
355 |
22 |
Delivery Conditions:
The tubes shall be manufactured from hot finished seamless tubes by cold drawing or other suitable processes. The tubes shall be supplied in one of the delivery conditions as follows:
| Designation |
Symbol |
Description |
| Cold drawn/hard |
+C |
No heat treatment after the final cold drawing process. |
| Cold drawn/soft |
+LC |
After the final heat treatment there is a suitable drawing pass. |
| Cold drawn and stress relieved |
+SR |
After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere. |
| Annealed |
+A |
After the final cold drawing process the tubes are annealed in a controlled atmosphere. |
| Normalized |
+N |
After the final cold drawing operation, the tubes are normalized in a controlled atmosphere. |
Delivery Condition Symbol in accordance with EN10305 and DIN2391
| Symbol in accordance with EN 10305 |
Symbol in accordance with DIN2391 |
| +C |
BK |
| +LC |
BKW |
| +SR |
BKS |
| +A |
GBK |
| +N |
NBK |
We can produce different sizes, thicknesses, widths and materials according to your requirements
We will control the quality from part of material steel pipe, each pipe produced will be have it is own identify label, quality will check the chemical component and physical property and then provide material test certificate. Size dimension will be checked and show pictures to customer to guarantee all goods will be meet requirement.
Accept inspection from a third party designated/paid by the buyer, such as SGS, BV.
Recognized by customers in Malaysia, Indonesia, Singapore, the Philippines, Australia, Peru and the United Kingdom. We have ISO9001/18001, CE certificates.
Our company is a steel supplier from China, located in Tianjin City, one of the largest steel producers in China. The company integrates the manufacturing, wholesale, material processing and warehousing of stainless steel, aluminum, copper and carbon steel materials, and has established long-term and stable cooperative relations with many well-known steel plants, such as Tisco, Baosteel, Hongwang, Zhangpu, Liangzhong and Jiugang.
Mainly products cover carbon steel tubes, stainless steel tubes, galvanized steel coil, ppgi steel coil, stainless steel coil, carbon steel coil and carbon steel profiles, gi wire, hollow anchor bar, section steel, steel rebar etc. Our company is equipped with plasma cutting machine, coil flattening equipment, laser cutting machine, 8K mirror, frosted wire drawing, filming and titanium plating equipment, which can flatten, split, shear, oil mill wire drawing, and roll oil film wire drawing on stainless steel materials, 8K mirror, titanium and other processing.
In addition, the company's characteristic business: zero-cutting, rounding, square cutting, special-shaped cutting, castings, forgings, product thicknesses up to 150mm, various special materials and specifications can be customized to steel mills.
Companies adhering to the "efficient, win-win" business philosophy, continue to provide customers with professional, quality products and value-added services, continuous progress and learning to meet customer needs. Now the company has entered the period of rapid development of global trade, looking forward to more cooperation.
Marketing Campaign
Packaging and Transportation
1) Packaging: 3 layers of packing. Inside is craft paper, Middle is water plastic film and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve or as customers' requirements.
2) Shipping: We have long-term cooperation with many experienced shipping companies and will find the most suitable mode of transportation for you.
3) Trade terms: FOB/CIF/CFR
4) Shipping port: Qingdao/Tianjin/Shanghai
5) Shipment: A: Length: ≤6m, loaded in 20GP Container. B: Length: ≤12m, loaded in 40GP Container.
Remark: Size of 20GP Container (inside :5898*2352*2393mm); Size of 40GP Container (inside:12032*2352*2393mm); Size of 40HQ Container (inside:12032*2352*2698mm).
6) Delivery time: Normal size: 7-15days send from warehouse directly. Special size:15-30days custom made for you.
Q1:Can you send samples?
A:Of course, we can provide customers with free samples and express shipping service to all over of the world.
Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q3:It's my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:What ports of shipment are there?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.
Q5:What about product prices information?
A:Prices various according to periodic price changes of raw materials.
Q6:What is your terms of payment ?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.
Q7:Do you provide custom made Products service?
A: Yes,if you have your own design , we can produce according to your specification and drawing.
Q8:What are the certifications for your products?
A:We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect.
Q9:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q10: How many countries you already exported to?
A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
Q11:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q12:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers can appoint third parties to inspect the products before loading too.
Q13:How to pack the products?
A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during ocean transportation.
Q14:What is your working time?
A:In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.
Audited Supplier 
Honed tube & Skived & Roller burnished tubing are widely used for hydraulic cylinder and pneumatic cylinder manufacturing. So, it is also known as honed cylinder tubing. We are one of best quality China honed tube suppliers & manufacturers. Our honed tubing is ready to use for hydraulic cylinder applications without further ID processing.
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