We will closely integrate market development trends and the needs of consumers, and will be courageous in innovating and continually improving our drilling stator tube, Hard Chrome Plated Steel Tube, Chrome Plated Steel Tube. Customer satisfaction, high quality products and convenient service are our company' s missions. We believe that we are capable of helping your business continue to grow and develop. Since the establishment of our company, we have continuously developed new products and improved product quality in accordance with market changes and customer requirements. We have the advantages of abundant inventory, fast and timely transportation and perfect after-sales service. We give full play to the role of each member, increase awareness of the overall situation, and strengthen ideological communication.
Ck45 Cold Drawn Tube Introduction
Cold drawn steel pipe is 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. ID and OD tolerance could be decided by customer. IF you are looking for seamless cold drawn pipe for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.
Ck45 Cold Drawn Tube 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, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Mechanical Properties:
Final Supply | Cold finished | Cold drawn and stress-relieved (BK+S or + SR) | Hardness HB | |||
Parameters | T.S | Elongation | T.S | Y.S | Elongation | |
20# (A106B, ST45, E255) | ≧550 | ≧8 | ≧520 | ≧375 | ≧12 | 175 |
45#(CK45) | ≧650 | ≧5 | / | / | / | 207 |
Q345B(ST52, E355) | ≧640 | ≧5 | ≧600 | ≧520 | ≧15 | 190 |
25Mn | ≧640 | ≧5 | ≧600 | ≧510 | ≧15 | 195 |
27SiMn | ≧840 | ≧5 | ≧800 | ≧720 | ≧10 | 230 |
Cold drawn steel pipe characteristics
1. The inside tolerance could be decided by customer. It depends on if it is ready for hone or ready for skived.
2. ID size from 50 to 280mm, OD size from 60 to 370mm, totally has more than 200 sizes.
3. Length could be fixed length of random length.
Experience and markets
Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.

Our Advantages
a. Extensive production experience: we are specialized in honed tubes, skived tubes, cold drawn pipe, and chrome bar with an experience of 20 years.
b. Complete production facilities: owning cold drawn machine, skived and roller burnished machine, honing machine, precision centerless grinding machine, straightening machine, fine polishing machine, precision lathe, milling and drilling machine, roller press and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.
c. High quality raw material: we mainly choose raw material from big steel factory, such as AN STEEL, TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
d. Strict Physical/Chemical testing procedures: meeting the requirements of the product design and process, providing reliable testing data.
e. Short Delivery time: Usually one container 20 days. We also stock some standard-sized tubes and bars.
f. Safe packing: anti-rust oil be spread on tubes and bars before shipping, plastic caps on tube ends to protect inside surface, each bar be protected with cardboard tube.
We are a high-quality Chinese brand, and is becoming a modern and international manufacturer of C45e Ck45 SAE 1045 AISI 1045 Cold Drawn Seamless Carbon Steel Tube Ready to Hone for Hydraulic Cylinder with outstanding main business, obvious advantages and sustainable development. In the past few years, our business absorbed and digested advanced technologies both equally at home and abroad. Our company provide long-term excellent services to new and old users with an open mind, flexible business model and sincere and responsible attitude.
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