EN 1778:1999

Characteristic values for welded thermoplastics constructions - Determination of allowable stresses and moduli for design of thermoplastics equipment EN 1778:1999

Publication date:   Dec 22, 2003

General information

90.93 Standard confirmed   Nov 21, 2023


CEN/TC 249 Plastics

European Norm

83.080.20   Thermoplastic materials | 83.140.01   Rubber and plastics products in general



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This standard specifies a methodology for determination of the characteristic values necessary for the design of welded constructions for example vessels and tanks, ventilation ducting, containers and apparatus. It is assumed that due regard is paid to the standards and Codes of Practice listed in clause 2 as far as the choice of materials and their processing are concerned. The data is applicable for static loading. The relevant EN-Standards or ISO-Standards are applicable to the design calculations, dimensions, construction and testing of the various structures.

Life cycle


EN 1778:1999
90.93 Standard confirmed
Nov 21, 2023