QINGZHOU DOOHARVEST INTERNATIONAL CO.,LTD

Product Details

1) Production description:

Hydraulic honed tubes is well known as hydraulic cylinder tube in many industries. This is because honed tubes are the most important materials of manufacturing hydraulic cylinders. And as this kind of tubing is usually honed in tube inside diameter, it is known as honed ID tubing also.

Steel honed tubes is made of seamless cold drawn steel pipes, the cold drawn tubes can be produced according to most popular international standards such as DIN 2391, EN 10216-2, ASTM A513-5, A 519, GB/T 3639 etc. on customer's request.

2) Production process and details

The most common treatment methods for hydraulic honted tubes are cold drawing and heat treatment .

The most popular steel grades of honed tubes is SAE 1020, we also supplier honed tubes in SAE 1026, St 52 and other steel grades such as St35, ST 52.4, St 37.4, E255, E215, etc. on customers' request.

Honed tubes is produced using our “Suitable to Hone" Drawn Over Mandrel (DOM) and Cold Drawn Seamless (CDS).

The honed tube process involves using abrasive polishing stones and abrasive paper to remove small amounts of material, to produce extremely precise ID dimensions and improved finishes.

Dooharvest is the biggest ST52 hydraulic honed tubes manufacturer,are exposting over 20000t honed tubes one year .

3) Our company

Professional honed tubes manufacturer and chrome rod, founded in 2004, operation under modern management system and technologies, ISO9001 certificated, It covers an area of 40, 000 sq. Meters.

As one of the biggest honed tubes, chrome rod manufacturer we engrossed in this field 15+ years, Rich experience in production and export, prefect products & services gained recognition of clients from 40 countries ,export to honed tube India, dubai and malaysia etc.