DIN 2391 St30Si seamless carbon steel tube for hydraulic cylinder   

Hydraulic Cylinder Tube ST52 and ST52.3 with excellent machinability and weldability. Supplied seamless or welded, cold drawn & stress relieved (BK+S), with yield strength over 520 MPa. The inside diameter is honed and oiled with the tube ends capped for protection.

Typical Applications:

Hydraulic and pneumatic cylinders for mining, agricultural and farm machinery, hoists, automotive and transport lifting equipment, waste disposal transport, food processing equipment, mechanical tools and equipment, compressors and earth moving equipment etc.

Machinability:

Excellent machinability in the BK+S (as supplied) condition