1.1 Tsarin rarrabuwa na yau da kullun da ake amfani da shi don bututun ƙarfe:

1.1.1 Ta yanki

(1) Ma'aunin gida: ma'aunin ƙasa, ma'aunin masana'antu, ma'aunin kamfanoni

(2) Ma'aunin ƙasa da ƙasa:

Amurka: ASTM, ASME

Ƙasar Ingila: BS

Jamus: DIN

Japan: JIS

1.1.2 An raba bisa manufa: ma'aunin samfura, ma'aunin duba samfura, ma'aunin kayan aiki

1.2 Babban abun ciki na ma'aunin samfurin ya haɗa da waɗannan:

Faɗin aikace-aikacen

Girma, siffa da nauyi (ƙididdiga, karkacewa, tsayi, lanƙwasa, ovality, nauyin isarwa, alama)

Bukatun fasaha: (haɗen sinadarai, yanayin isarwa, halayen injiniya, ingancin saman, da sauransu)

hanyar gwaji

ƙa'idodin gwaji

Marufi, lakabi da takardar shaidar inganci

1.3 Alamar: ya kamata a sami bugun feshi, buga tambari, buga nadi, buga tambari na ƙarfe ko tambari mai mannewa a ƙarshen kowace bututun ƙarfe

Tambarin ya kamata ya ƙunshi matakin ƙarfe, ƙayyadaddun samfurin, lambar samfurin da aka ƙayyade, da tambarin mai kaya ko alamar kasuwanci mai rijista.

Kowace fakitin bututun ƙarfe da aka lulluɓe a cikin fakiti (kowane fakiti ya kamata ya sami lambar rukuni ɗaya) ya kamata ya kasance yana da aƙalla alamomi 2, kuma alamun ya kamata su nuna: alamar kasuwanci ta mai kaya, alamar ƙarfe, lambar tanda, lambar rukuni, lambar kwangila, ƙayyadaddun samfura, Matsayin samfura, nauyi, adadin kayan aiki, ranar ƙera su, da sauransu.

1.4 Takardar Shaidar Inganci: Bututun ƙarfe da aka kawo dole ne ya kasance yana da takardar shaidar kayan aiki wanda ya dace da kwangila da ƙa'idodin samfura, gami da:

Sunan ko alamar mai samarwa

Sunan mai siye

Ranar isarwa

Lambar Kwantiragi

Ma'aunin samfura

Karfe aji

Lambar zafi, lambar rukuni, yanayin isarwa, nauyi (ko adadin guda) da adadin guda

Sunan iri-iri, ƙayyadaddun bayanai da kuma ingancin inganci

Sakamakon dubawa daban-daban da aka ƙayyade a cikin ma'aunin samfurin