NOTE 1 If desired, cylinders of water capacity less than 0,5 l can be manufactured and certified to be in compliance with this part of ISO 9809.

NOTE 2 For quenched and tempered steel cylinders with maximum tensile strength less than 1 100 MPa, see ISO 9809‑1. For quenched and tempered cylinders with maximum tensile strength ≥ 1 100 MPa, see ISO 9809‑2.