Zama: 1.80-2.00%
Co+Ni: 0.20% Minti
Co+Ni+Fe: 0.60% Mafi girma.
Cu: Daidaito
Lura: Ƙarin jan ƙarfe da ƙari ya kai kashi 99.5%.

Yawan yawa (g/cm3): 8.36
Yawan da ake buƙata kafin tsufa ya taurare (g/cm3): 8.25
Modulus mai sassauƙa (kg/mm2 (103)): 13.40
Faɗaɗar Ma'aunin Zafi (20 °C zuwa 200 °C m/m/°C): 17 x 10-6
Matsakaicin kwararar zafi (cal/(cm-s-°C)): 0.25
Narkewar Zafi (°C): 870-980 °C
Lura:
1) raka'o'in an gina su ne bisa Ma'auni.
2) halayen jiki na yau da kullun suna aiki ga samfuran da suka taurare shekaru.

1) Masana'antar Lantarki: Makullin Wutar Lantarki da Ruwan Relay
2). Fis ɗin Fis, Sassan Canjawa, Sassan Relay, Haɗawa, Haɗawa na Spring
3). Gadoji Masu Lambobi, Washers na Belleville, Kayan Aikin Navigation
4). Maƙallan Maƙalli: Wanke-wanke, Maƙallan Maƙalli, Wanke-wanke
5). Zobba Masu Riƙewa, Naɗe-Naɗe, Sukurori, Ƙulle-ƙulle Masana'antu: Famfo, Maɓuɓɓugai,
6). Na'urorin lantarki, Shafts, Kayan aikin aminci marasa walƙiya, Tiyo na ƙarfe mai sassauƙa,
7). Gidaje don Kayan Aiki, Bearings, Bushings, Kujerun Bawul, Tushen Bawul,
8). Diaphragms, Maɓuɓɓugan Ruwa, Kayan Aikin Walda, Sassan Injin Naɗawa,
9). Shafts na Spline, Sassan Famfo, Bawuloli, Bututun Bourdon, Faranti na Sakawa akan Kayan Aiki Masu Nauyi.

Jerin ƙarin ƙarfe da ƙarfe masu kama da juna, a cikin cikakken jerin siffofi: Takarda, Sanda, Bututu, Zare da Waya kamar yadda ke ƙasa:

C17000/170 (CuBe1.7, 2.1245, Alloy165)
C17200/172 (CuBe2, 2.1247, Alloy25)
C17300/173 (CuBe2Pb, 2.1248, AlloyM25)
C17500/175 (CuCo2Be, 2.1285, Alloy10)
C17510/1751 (CuNi2Be, 2.0850, Alloy3)
CuCoNiBe (CuCo1Ni1Be, 2.1285, CW103C)
C15000,/150, C18000/180, C18150/181, C18200/182
CuZr, CuNi2CrSi, CuCr1Zr, CuCr