ASTM A 36A 36M_Takaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun buƙatu na gabaɗayan buƙatun don sandunan ƙarfe na ƙarfe, faranti, sifofi, da takin takarda
ASTM B160 Standard Specific don Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takaddun Takardun Tattalin Arziƙi na Nickel Rod da Bar
TS EN 1092-1-2013 Flanges da gidajensu - Flanges madauwari don bututu, bawuloli, kayan aiki da na'urorin haɗi, PN da aka tsara - Sashe na 1 Flanges na ƙarfe;
TS 1139-EN74 Ƙarfe na ƙarfe - Sashe na 2 Couplers Sashe na 2.1 Haɓaka don masu haɗa karfe, saƙon spigots da faranti don amfani a cikin ɓangarorin aiki da aikin karya da aka yi da bututun ƙarfe
TS EN 1092-1-2018 Flanges da gidajensu - Flanges madauwari don bututu, bawuloli, kayan aiki da na'urorin haɗi, PN da aka kera - Sashe na 1 Flanges na ƙarfe