For thermal applications
ASTM API 5L – A106 GR B
For use at low temperatures
A333 GR6
For use at high temperatures
A355 Gr11 – A335 Gr 22
Seamless and welded drawn steel
UNI EN 10305-1 e 10305-2
Chrome shafts and tubing
for hydraulic cylinders
For hydraulic circuits
UNI EN 10305-4