Ko te kirikiri kowiri tira he matūriki koki kowiri tira. Ka taea te whakamahi hei whakakapi i ngā momo mea whakakoi kohuke me ngā mea kore-whakarewa, pērā i te alumina, te silicon carbide, te onepu quartz, te peara karāhe, me ētahi atu.
Ko te kirikiri kowiri tira te mea e whakamahia ana mō te horoi mata, te tango peita me te tango i te tauine o ngā konganuku kore-ferrous me ngā hua kowiri tira, kia rite ai te taratara o te mata, ā, he tino pai mō te maimoatanga o mua i te mata i mua i te paninga. Ki te whakatauritea ki ngā mea whakakoi kore-whakarewa, ka āwhina te kirikiri kowiri tira ki te whakaiti i ngā utu whakahaere me ngā tukunga puehu, me te whakapai ake i te taiao mahi.
He roa te ora o te kirikiri kowiri tira, ā, he pai te pupuhi, ka māmā ake te tukanga pupuhi, ka penapena utu, ka tutuki ai te kounga pupuhi pumau, te taratara me te āhua ōrite.
| Kaupapa | Kounga | |
| Te hanganga matū% | Cr | 25-32% |
| Si | 0.6-1.8% | |
| Mn | 0.6-1.2% | |
| S | ≤0.05% | |
| P | ≤0.05% | |
| Te pakeketanga | HRC54-62 | |
| Kiato | >7.00 karamu/cm3 | |
| Te tākai | Ia tana i roto i tētahi papa motuhake, ā, ia tana ka wehea ki ngā kete 25KG. | |
| TE TOHATOHANGA RAHI O TE KIRIHIRI RINO KOREWAI | ||||||||
| Tau Mata | In | Rahi mata | G18 | G25 | G40 | G50 | G80 | G120 |
| 14# | 0.0555 | 1.4 | Ngā Pānga Katoa |
|
|
|
|
|
| 16# | 0.0469 | 1.18 |
| Ngā Pānga Katoa |
|
|
|
|
| 18# | 0.0394 | 1 | 75% meneti |
| Ngā Pānga Katoa |
|
|
|
| 20# | 0.0331 | 0.85 |
|
|
|
|
|
|
| 25# | 0.028 | 0.71 | 85% meneti | 70% meneti |
| Ngā Pānga Katoa |
|
|
| 30# | 0.023 | 0.6 |
|
|
|
|
|
|
| 35# | 0.0197 | 0.5 |
|
|
|
|
|
|
| 40# | 0.0165 | 0.425 |
| 80% meneti | 70% meneti |
| Ngā Pānga Katoa |
|
| 45# | 0.0138 | 0.355 |
|
|
|
|
|
|
| 50# | 0.0117 | 0.3 |
|
| 80% meneti | 65% meneti |
| Ngā Pānga Katoa |
| 80# | 0.007 | 0.18 |
|
|
| 75% meneti | 65% meneti |
|
| 120# | 0.0049 | 0.125 |
|
|
|
| 75% meneti | 65% meneti |
| 200# | 0.0029 | 0.075 |
|
|
|
|
| 70% meneti |
