DIN EN 818-7 Güteklasse 8
Maximum Weld Diameter ( mm ) ( ds ) max.:1,08 x dn
Inner Length ( mm ) ( tn ):2,6 x tn < tn < 3,2 x tn
Minimum Inside Width ( mm ) ( b1):1,2 x dn
Maximum Outside Width (mm ) b2:3,4 x dn
Security Level:1 / 2,5 / 4,0
Working Load Limit ( WLL ):200 N / mm2
Manufacture Test Force ( MTF ):500 N / mm2
Breaking Load Limit ( BLL ):800 N / mm2
Elongation at Breaking Load:min. % 20