Description :

1. Material:
(1) The tube is made from JIS G3445 and STKM13C steel, or carbon steel tube. There is also tubes of ST52BK+S steel that are precisely bored and have the interior ground.
2. Purpose:
(1) Manufacture of precision machinery tubes, pneumatic cylinders and oil hydraulic cylinder steel tubes, civil engineering machines and mechanical shaft sleeves, tubes for ejaculators, and mechanical arms, etc.
3. Surface roughness:
(1) Ry 0.8-3s.
4. External diameter accuracy:
(1) H8, H9, f8, f9.

Specification :

1. Please refer to attached specifications and information. 2. We can produce any sizes and styles as your requests, welcome OEM & ODM.

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  Chromium Plated Hollow Steel Tube Bars