6.6.4.4.4 For vacuum insulated tanks, the aggregate thickness of the jacket and the shell shall correspond to the minimum thickness prescribed in 6.6.4.4.2, the thickness of the shell itself being not less than the minimum thickness prescribed in 6.6.4.4.3.

Shells more than 1.80 m in diameter shall be not less than 4 mm thick in the reference steel or of equivalent thickness in the metal to be used.

Shells more than 1.80 m in diameter shall be not less than 6 mm thick in the reference steel or of equivalent thickness in the metal to be used, except that for powdered or granular solid substances of Packing Group II or III the minimum thickness requirement may be reduced to not less than 5 mm thick in the reference steel or of equivalent thickness in the metal to be used.

Thickness

6.6.2.4.2 The cylindrical portions, ends (heads) and manhole covers of shells not more than 1.80 m in diameter shall be not less than 5 mm thick in the reference steel or of equivalent thickness in the metal to be used.

Opacity

Overall opacity

6.6.2.4.3 When additional protection against shell damage is provided, portable tanks with test pressures less than 2.65 bar, may have the minimum shell thickness reduced, in proportion to the protection provided, as approved by the competent authority.

Attention is drawn to the minimum shell thickness requirements for these shells specified in 6.6.3.4.

6.6.3.4.2 The cylindrical portions, ends (heads) and manhole covers of shells of not more than 1.80 m in diameter shall be not less than 5 mm thick in the reference steel or of equivalent thickness in the steel to be used.

We looked at overall engagement.

(e) Determine the internal structure of the asteroid, in particular the sizes of the main solid pieces, the average particle size and thickness of the regolith and of the debris layers in the space left between the main pieces

6.6.2.4.7 When in the applicable portable tank instruction in 4.2.4.2.6, a minimum thickness of 8 mm, 10 mm or 12 mm is specified, it shall be noted that these thicknesses are based on the properties of the reference steel and a shell diameter of 1.80 m.

Attention is drawn to the minimum shell thickness requirements for these tanks specified in 6.6.2.4.1 to 6.6.2.4.10.

L thickness of insulation layer m

L thickness of insulation layer m

6.6.2.4 Minimum shell thickness

6.6.3.4 Minimum shell thickness

6.6.4.4 Minimum shell thickness

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This thickness shall be exclusive of any corrosion allowance.

6.6.3.4.4 The equivalent thickness of a steel other than the thickness prescribed for the reference steel in 6.6.3.4.2 shall be determined using the following formula

6.6.2.4.6 The equivalent thickness of a metal other than the thickness prescribed for the reference steel in 6.6.2.4.3 shall be determined using the following equation

The thickness of aluminium liner is 2.1 mm.

Equivalent thickness in reference steel _ mm

Stamp of expert who performed or witnessed the most recent test _

(ii) is approximately of the same size and mass as the existing equipment and

Shells of more than 1.80 m in diameter shall be not less than 6 mm thick in the reference steel or of equivalent thickness in the steel to be used.

6.6.4.4.6 The equivalent thickness of a metal other than the thickness prescribed for the reference steel in 6.6.4.4.2 and 6.6.4.4.3 shall be determined using the following equation

Shells of more than 1.80 m in diameter shall be not less than 6 mm thick in the reference steel or of equivalent thickness in the metal to be used.

6.6.4.4.2 Shells of not more than 1.80 m in diameter shall be not less than 5 mm thick in the reference steel or of equivalent thickness in the metal to be used.

Such shells of more than 1.80 m in diameter shall be not less than 4 mm thick in the reference steel or of equivalent thickness in the metal to be used.

3.1.2 Improving structural integrity of space objects (explosion prevention etc.)

The entire membership of the United Nations places high hopes in the September summit and looks forward to positive results in the overall reform of the United Nations so that the Organization can maintain its vitality and renew its glory.

the partial pressure (in bar) of air or other gases in the ullage space being determined by the design reference temperature and the liquid phase expansion due to the increase of the mean bulk temperature of tr tf (tf filling temperature, usually 15 C, tr 50 C maximum mean bulk temperature).

It's created depositing layers of about four microns.

Minimum shell thickness (mm reference steel) Bottom opening requir ements

(a) the minimum thickness determined in accordance with the requirements in 6.6.3.4 and

thickness (mm reference steel)

And the altitude corresponds to the plate system.

Name of the refrigerated liquefied gas being transported (and minimum mean bulk temperature)

6.6.4.4.3 Shells of vacuum insulated tanks of not more than 1.80 m in diameter shall be not less than 3 mm thick in the reference steel or of equivalent thickness in the metal to be used.

(ii) the partial pressure (in bar) of air or other gases in the ullage space being determined by a maximum ullage temperature of 65 C and a liquid expansion due to an increase in mean bulk temperature of tr tf (tf filling temperature, usually 15 C tr 50 C, maximum mean bulk temperature).

e1 required equivalent thickness (in mm) of the steel to be used

in which df and dr are the densities of the liquid at the mean temperature of the liquid during filling and the maximum mean bulk temperature during transport respectively.