We insist on being customer-centric and creating value for customers through rigorous services and products. As a manufacturing expert of Seamless Honed Pipe Cold Drawn Tube, Seamless Cold Drawn Steel Tube, Self Aligned Tank Welding Rotator, we are committed to bringing you more convenient experience and more considerate service! On the principle of mutual benefit and faithful functioning, we are ready to expand our scope of business and establish sincere relationships with clients from around the world. Whether in the past, present, or in the future, we always work hard and strive for perfection and adhere the ultimate goal of creating the greatest value for customers. In order to ensure effective and stable implementation of corporate social responsibility, we have formulated and strived to achieve a series of goals. We are trying to build a company based on research and development, which integrates many talents, new production technology and strong scientific research ability.
Seamless Cold Drawn Pipe 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.
Seamless Cold Drawn Pipe 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.
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 |
Size list: (if you need other sizes, please let us know)
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 –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.
Our organization insists all along the quality policy of 'product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff' as well as the consistent purpose of 'reputation 1st, purchaser first' for ASTM A179 Cold-Drawn Seamless Steel Tube Pipe. Our company provides the high quality product and the service for the consumer, creates the harmonious, mutual respect working atmosphere for the staff and provides the fair and reasonable, the reciprocity mutually beneficial cooperation platform for the business partner. So please will not hesitate to call us.
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