Our company aims at the value of integrity, mutual sharing, win-win and innovation, we are willing to provide customers with high quality Steel Honed Tube, Self Aligned Tank Welding Rotator, chrome steel bar at reasonable price! We highlight the brand spirit of 'Persevere in Heart, Focus on Quality', and we always shoulder the brand mission of 'continuous innovation'. Our company adheres to the concept of 'quality-oriented, reputation as the soul, and people-oriented' to provide customers with high-quality, fast and complete services. We are willing to work together with our customers to create a better future! With full confidence and strength, welcome customers to contact and visit us for future relationship. We have always maintained a passion for excellence, adhering to the work philosophy of 'technological innovation, integrity and lasting', to provide customers with worry-free, labor-saving, efficient and easy-to-use products.
Inner Hole Plating Tubes Introduction
Chrome plated Honed Tubes are presicion tubes with smooth inside and with chrome plated , they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are 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. IF you are looking for chrome plated tubes for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.
Inner Hole Plating Tube technical parameters and Details
Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.
Chrome thickness: usually 15 to 20 microns.
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, oiled inside, 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 |
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.
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 –honing or skiving – chrome plating - inspection – oiled plated - packing
With strong production and manufacturing capabilities, our company has grown into a three-dimensional enterprise focusing on the research and development, production and sales of PTFE Stainless Steel Hydraulic Tube. The company's new product development speed keeps up with the market in a timely manner, enriching the product line, in order to maintain the company's core competitiveness and innovation in the industry. We insist on maintaining the independence of the company and focus on pursuing superb craftsmanship and product innovation.
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