High Precision Seamless Steel Tube for Automotive Industry and Hydraulic Application
APPLICATIONS
1. Automotive fields
A. Fuel injection lines/nozzles
B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar
C. Drive transmission: Steering column elements
D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts
E. Shock absorber and others
2. Hydraulic Fields
A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension system
B. Hydraulic cylinders (HPZ)
3. Other Fields
Hydraulic machines, Hydraulic cylinder, heat exchanger, high precision machines, oil lines, and others in need






Be used for hydraulic system,motorcycle and automobile vibration damper and other
fields that have high requirements to steel pipe's precision,finish,cleanness and mechanic properties.
Outer diameter of cold-rolled precision seamless steel tube 10-70mm
Wall thickness 1-13mm executive standard:
GB / T 3639 cold drawn or cold rolled precision seamless steel tubes
DIN2391 cold drawn or cold rolled precision seamless steel pipe
EN10305-1 seamless cold drawn pipe
En10305-2 Welded cold drawn pipe
ASTM A519 seamless carbon steel pipe and alloy steel pipe for machinery
FAQ
1. Are you factory or trading company?
YES, We are factory in jiangsu of china for many years.
We can give you the factory price directly.
2. Could you provide the samples?
Sure, but it is just for normal sizes, and the freight will be paid by you.
3.What is your MQO?
1tons, it is better for bundles.
4.Do you have stockist goods?
YES, But you must send me the sizes you need , let me check it for you.