Through systematic deployment around higher-end strategies, we have more strength and ability to provide 1020 Cold Drawn Tube, welding positioners, Precision Hydraulic Tube that satisfy consumers. Our company continuously strengthens the level of enterprise comprehensive management and develops new products with the global vision of international marketing. We have a complete product whole-process manufacturing quality control system. With the continuous extension of product application field, our company scale is also expanding year by year.
Seamless Cold Drawn Steel 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.
Cold Drawn Steel 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.
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 –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 services
Pre-sale services:
1. Providing professional technical support.
2. Send the product catalog and instruction manual.
3. If you have any question PLS contact us online or send us email, we promise we will give you a reply at the first time!
4. Personal call or visit are warmly welcome.
Sale of services:
1. We promise honest and fair, it's our pleasure to serve you as your purchasing consultant.
2. We guarantee punctuality, quality and quantities strictly implement the terms of contract...
After-sales service:
1. Where to buy our products for one year warranty and life long maintenance.
2. 24-hour telephone service.
3. A large stock of components and parts, easily-worn parts.
We will provide customers with high-quality ASTM a 179 Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes and satisfactory services with honest and trustworthy, convenient and efficient operation methods and strict management. We have enjoyed a great reputation among our customers for quality products and good services. Customer satisfaction comes from the dedicated service of all employees, while striving to pursue customer satisfaction, we also pay attention to the satisfaction of internal employees.
Hot Tags: seamless cold drawn steel tube, China, manufacturers, suppliers, factory, price, Tube Welding Positioner, 1020 Honed Pipe, Chrome Plated Tubing Honed Tube, 4140 seamless cold drawn tube, 4130 Seamless Gas Cylinder Tube, 200Ton Adjustable Welding Rotator
