Language
GB 69 - 1985
GB /T 819.1 - 2000
GB /T 819.1 - 2016
BS 450 - 1958
GB /T 69 - 2000
YJT 4012
DIN 921 - 2007
DIN 404 - 2006
ASME B 18.6.3 (T22-I/T22-IA) - 2013
ASME B 18.6.3 (T26-III) - 2013
ASME B 18.6.3 (T10-III) - 2013
ASME/ANSI B 18.3 (Table 1-III) - 2012
ASME B 18.6.3 (T26-I) - 2013
ASME B 18.6.3 (T39-I) - 2013
ASME B 18.6.3 (T25-III) - 2013
ASME B 18.6.3 (T22-VI) - 2013
ASME B 18.6.3 (T37-I T37-IA) - 2013
IFI 513 - 1982
ASME B 18.6.3 (T33-I) - 2013
ASME B 18.6.3 (T19-VI) - 2013