We implement the corporate philosophy of 'strive for perfection and be true', pay close attention to the development trend of domestic and international Quenched And Tempered Piston Rod, Tank Welding Rotators For Boiler Industry, Skived And Burnished Pipe industry, constantly improve ourselves, and promise to provide high-quality, efficient, thoughtful and considerate services to new and old customers. We have the courage to seize the opportunity to meet the challenge of rapid economic development in the new era. We are willing to develop together with you and become your loyal partner on the road of success. Since adhering to the business philosophy of truthfulness, professionalism, innovation and leadership, we are striving to build a century-old brand in the industry. With many years good service and development, we've a professional international trade sales team.
Hydraulic Cylinder 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.
Cylinder 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.
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.
We will continue to manufacture the best DIN2391 Cold Drawn Seamless Honed Tube for Hydraulic Cylinder in the industry that will delight our customers and make our employees incredibly proud of their work. Moreover, the company stays unique among its competitors due to its superior standard of quality in production, and its efficiency and flexibility in business support. Through modern management philosophy, all our employees can display their creative enthusiasm, and push the company to a continuous and rapid development track.
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