SIST EN 13530-2:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kryo-Behälter - Große ortsbewegliche vakuum-isolierte Behälter - Teil 2: Bemessung, Herstellung und PrüfungRécipients cryogéniques - Grands récipients transportables isolés sous vide - Partie 2 : Conception, fabrication, inspection et essaisCryogenic vessels - Large transportable vacuum insulated vessels - Part 2: Design, fabrication, inspection and testing23.020.40Proti mrazu odporne posode (kriogenske posode)Cryogenic vesselsICS:Ta slovenski standard je istoveten z:EN 13530-2:2002SIST EN 13530-2:2003en01-december-2003SIST EN 13530-2:2003SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13530-2September 2002ICS 23.020.40English versionCryogenic vessels - Large transportable vacuum insulatedvessels - Part 2: Design, fabrication, inspection and testingRécipients cryogéniques - Grands récipients transportablesisolés sous vide - Partie 2: Conception, fabrication,contrôles et essaisKryo-Behälter - Große ortsbewegliche, vakuum-isolierteBehälter - Teil 2: Bemessung, Herstellung und PrüfungThis European Standard was approved by CEN on 29 May 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13530-2:2002 ESIST EN 13530-2:2003

Elastic stress analysis.72Annex B (normative)
Additional requirements for 9 % Ni steel.82Annex C (normative)
Pressure strengthening of vessels from austenitic stainless steels.84Annex D (informative)
Specific weld details.96Annex E (normative)
Increased material property for austenitic stainless steel.101Annex F (informative)
Outer jacket relief devices.102Bibliography.104SIST EN 13530-2:2003

of 10 000.For other materials calculate the minimum thickness using the following formula :325m0)(464ARss´´=whereRm is the minimum tensile strength of the metal chosen, in Newtons per square millimetre at a temperaturenot lower than the saturation temperature of the fluid at pressure Ps ;A5is the elongation at fracture of the metal chosen, in per cent at the same temperature.The minimum thickness shall however not be less than the minimum wall thickness defined in 6.8 of thetechnical annexes of the ADR when other materials are used.Under these condition, the reference steel equivalent thickness of the inner vessel can be determined as follows:464)(235meARss´=(3)whereseis the actual wall thickness of the inner vessel.The Rm and A5 values at a temperature not lower than the saturation temperature of the fluid at pressure ps, shallbe determined from the appropriate material standard or shall be guaranteed by the material manufacturer.4.3.2.2 Design pressure pThe internal design pressure p shall be the greater of pT as defined in 4.2.3.2 a) or pC as defined in 4.2.3.2 b)corrected for operating conditions (i.e. timesT20KK) to take into account the cold properties of the material used. Itfollows that K20 shall be used in the subsequent formulae where p is shown as the design pressure.The inner vessel shall be designed for an external pressure equal to the set pressure of the outer jacket pressurerelief device.SIST EN 13530-2:2003

is the elongation at fracture, in %, at 20 °C.The aggregate reference steel equivalent thicknesses of the outer jacket wall and inner vessel wall shall be not lessthan 5 mm if the diameter of the inner vessel is not more than 1 800 mm and not less than 6 mm if this diameter ismore than 1 800 mm.4.3.3.2 Design pressure pThe internal design pressure p shall be not less than the set pressure of the outer jacket pressure relief device.The external design pressure shall be 1 bar.4.3.3.3 K20See 4.3.2.3.2.SIST EN 13530-2:2003

where x = ()csR-50,Da is the diameter of the end as shown in Figure 4 a) and 4 b).When there are openings outside the area 0,6 Da the required thickness is found from Figures 5 and 6 using theappropriate curve for the relevant value of di /Da.The lower curves of Figures 5 and 6 apply when there are no openings outside the area 0,6 Da.4.3.6.4.2.3If a dished end is welded together from crown and knuckle components, the joint shall be at asufficient distance x from the knuckle. The distance regarded as sufficient is as follows, but with a minimum,however, of at least 100 mm (see Figure 4 c)):¾ crown and knuckle are of different wall thickness:)R (s
-
c ,x
=
50(18)where s is the required wall thickness of the knuckle:¾ the crown and knuckle are of equal wall thickness:¾ for 10 % torispherical endsx = 3,5 s;¾ for 2:1 torispherical endsx = 3,0 s.v = 1,0 may be applied, if the scope of testing corresponds to that specified for a design stress level equal to thepermissible design stress level or in the case of one-piece ends.v = 1,0 may also be applied in the case of welded domed ends - except hemispherical ends - regardless of thescope of testing provided the weld intersects the crown area of 0,6 Da, see Figures 4 e) and 4 f) (left-hand side).4.3.6.4.2.4If the ligament on the connecting line between
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