26-05-2008
69
Engineering
Pressure Vessels
1,135 L.E.
ISO 9809 – 2 : 2000 , Gas cylinders – Refillable seamless steel gas cylinders – Design , construction and testing. Part 2 : Quenched and tempered steel cylinders with tensile strength greater than or equal to 1100 MPa
Total Modification
Obligatory
866
21.100.20