Pset_FastenerWeld Properties related to welded connections. IfcFastener/WELD IfcFastener/WELD Type1 Type of weld seam according to ISO 2553. Note, combined welds are given by two corresponding symbols in the direction of the normal axis of the coordinate system. For example, an X weld is specified by Type1 = 'V' and Type2 = 'V'. Type1 Type2 See Type1. Type2 Surface1 Aspect of weld seam surface, i.e. 'plane', 'curved' or 'hollow'. Combined welds are given by two corresponding symbols analogous to Type1 and Type2. Surface1 Surface2 See Surface1. Surface2 Process Reference number of the welding process according to ISO 4063, an up to three digits long code Process ProcessName Name of the welding process. Alternative to the numeric Process property. Process Name a Measure a according to ISO 2553 a c Measure c according to ISO 2553 c d Measure d according to ISO 2553 d e Measure e according to ISO 2553 e l Measure l according to ISO 2553 l n Count n according to ISO 2553 n s Measure s according to ISO 2553 s z Measure z according to ISO 2553 z Intermittent If fillet weld, intermittent or not Intermittent Staggered If intermittent weld, staggered or not Staggered