Language
BS 450 - 1958
GB /T 819.1 - 2016
GB 69 - 1985
GB /T 819.1 - 2000
GB /T 69 - 2000
YJT 4012
ASME B 18.6.3 (T22-I/T22-IA) - 2013
ASME B 18.6.3 (T25-I/T25-IA) - 2013
ASME B 18.6.3 (T33-I) - 2013
ASME B 18.6.3 (T22-VI) - 2013
DIN 404 - 2017
DIN 404 - 2006
DIN 920 - 1986
ASME B 18.6.3 (T26-I) - 2013
ASME B 18.6.3 (T4-I/T4-IA) - 2013
ASME/ANSI B 18.3 (Table 1-III) - 2012
ANSI B 18.11 - 1961 (R2017)
ASME B 18.6.3 (T31-I) - 2013
ASME B 18.6.3 (T28-III) - 2013
ASME B 18.6.3 (T25-III) - 2013