Te Ihirangi Matū, %
| Ni | Mn | Si |
| Para. | 1.5~2.5 | 0.1mōrahi |
| Ātete i te 20ºC | 11.5 maikorohm cm |
| Kiato | 8.81 karamu/cm3 |
| Te Arahi Wera i te 100ºC | 41 Wm-1 ºC-1 |
| Tauwehenga Whānui Raina (20~100ºC) | 13×10-6/ ºC |
| Te Pūwāhi Rewa (Tata) | 1435ºC/2615ºF |
| Kaha Kume | 390~930 N/mm2 |
| Te whakaroa | 20% iti rawa |
| Tauwehenga Pāmahana o te Ātete (Km, 20~100ºC) | 4500 x 10-6 ºC |
| Te Wera Motuhake (20ºC) | 460 J Kg-1 ºC-1 |
| Pūwāhi Hua | 160 N/mm2 |
Ngā Āhuatanga
He iti te ātete o te rauemi hiko (rauemi kawe hiko) o te kamupene, he kaha teitei te pāmahana, ā, he iti ake te pewa e rewa ana i raro i te mahi a te mimiti me ētahi atu.
Mā te tāpiri o te Mn ki te Nikara parakore ka nui ake te ātete ki te whakaekenga a te whanariki i ngā pāmahana teitei, ā, ka whakapai ake i te kaha me te pakeke, me te kore e tino whakaiti i te ngāwari.
E whakamahia ana te nikara 212 hei waea tautoko i ngā rama mura, me ngā whakamutu ātete hiko.
Ko ngā raraunga i whakaratohia i roto i tēnei tuhinga e tiakina ana i raro i ngā ture e pā ana, tae atu ki te ture mana pupuri me ngā whakaaetanga o te ao, engari kāore i te herea ki ēnei.

