honed bore pipe,cylinder tube

honed bore tube,cylinder tube 1.Max L:15m ID: 40 - 500mm T:2.5-55mm 2.Grade 20# 45# st52 27SiMn 25Mn 3.GB/T8713-88 ISO9001

honed bore tube ,cylinder tube

1)Grade 20# 45# 16Mn  27SiMn 25Mn st52 and so on

2) Metric size:  Inside diameter from 40 to 1500mm, length 4-8 m,thickness,2.5-55mm

3) Straightness: 0.2-0.3

4) Tolerance EXT: DIN 2391  GB/T8713

5) Tolerance INT:  ISO4394 H8-H9

6) Roughness(Ra): 0.2 to 0.8µ

7) Type: cold drawing, normalizing treatment, honing,cold rolling,boring

8)  Condition: BK, BKW, BKS, NBK, GBK

9) Prime quality of raw material from famous steel mill

    High precision on the tolerance of tube size

10)The tubes are specialized in hydraulic cylinder, and other cylinders.

automobile parts, motorcycle part, shock absorber

We can provide not only competitive product prices, but also technical support for quality improving and new product developing with the help of our factory engineer team. We warmly welcome friends from all over the world to visit our factories for business negotiation and cooperation.

honed bore pipe,cylinder tube