YBT093-2019 Low chromium alloyed simintin ƙarfe cylpebs YBT4550-2016 Karfe niƙa sanda ga sanda niƙa YBT091-2019 Ƙarfafa (mirgina) ƙwallon ƙarfe na niƙa YBT092-2019 Alloyed simintin ƙarfe niƙa kwallaye
