He aha te maitai waro iti?

Ko te maitai waro-iti, e mōhiotia ana ko te maitai ngawari, tētahi o ngā momo maitai e whakamahia whānuitia ana i te ao. Nā tōna ngāwari ki te whakamahi, tōna utu tika, me te whānuitanga o ngā whakamahinga, he mea nui tēnei hei rauemi i roto i ngā ahumahi pēnei i te hanga, te motuka, te hanga, me te mīhini. Hei mārama ake ki tōna tūranga, ka whakaratohia e tēnei tuhinga he tirohanga whānui mō te maitai waro-iti, tōna hanganga, ōna āhuatanga, ōna painga, me ngā whakamahinga noa.

Te Whakamāramatanga o te Rino Waro Iti

Ko te maitai waro iti he momo maitai waro he iti te ihirangi waro, i waenga i te 0.05% me te 0.25%. Nā te iti o te ihirangi waro ka ngawari ake, ka ngāwari ake, ka māmā ake te mahi ki tēnei maitai ki te whakataurite ki ngā maitai waro waenga, waro teitei rānei. E kiia ana ko te "maitai ngawari" nā te mea he ngawari ake tōna kaha ki te whakataurite ki ngā maitai pakeke ake.

Te Hanganga Matū

Ko te hanganga o te maitai waro-iti ko:

• Waro: 0.05% ki te 0.25%

• Manganēhi: 0.30% ki te 0.90%

• Hiraka: tae atu ki te 0.40%

• Whānariki me te WheroI te nuinga o te wā ka puritia ki raro i te 0.05% hei whakaiti i te pakarukaru

Nā tēnei hanganga ka māmā ake te mīhini, te whakarewa, me te hanga i te maitai waro-iti ki ngā āhua rerekē.

Ngā Āhuatanga o te Rino Waro Iti

1. Teitei o te Āheinga

Ka taea te totoro, te piko rānei i te maitai waro-iti, me te kore e whati, kia tino ngāwari ai te whakamahi.

2. He pai te whakawera

Nā te iti o te ihirangi waro ka taea te whakarewa ngāwari me te kore e whakamahanahia i mua, e tukatukahia rānei i muri i te whakarewa.

3. Te āheinga ki te mīhini

He ngohengohe te maitai waro-iti, ā, he māmā ake te tapahi, te keri, me te miihini.

4. Te Whai Hua o te Utu

Nā te mea he whānui te wātea me te ngāwari hoki ki te hanga, koia tētahi o ngā momo maitai tino ohanga.

5. Kaha Waenga

Ahakoa kāore i te rite te kaha ki ngā maitai waro-teitei, he rawaka tōna kaha mō ngā mahi maha.

6. Te ngoikore ki te waikura

Ka waikura ngāwari te maitai waro-iti mēnā kāore i pania, i whakakotahitia rānei ki ngā rauemi tiaki.

Ngā Painga o te Rino Waro Iti

• Utu whaitakeki te whakataurite ki te maitai koranu, ki te maitai kowiri tira rānei.

• He maha ngā whakamahingai roto i te hanga, te whakarewa, me te hanga.

• E wātea whānuitia anai roto i ngā āhua rerekē pērā i ngā rau, ngā pereti, ngā pae, me ngā paipa.

• Te oranga tonutanga o te taiaonā te mea ka taea te hangarua anō.

Ngā Here

• He iti ake te kaha kume i ērā o ngā maitai waro-waenga, waro-tiketike rānei.

• He iti te ātete ki te kakahu ki te whakataurite ki ngā maitai koranu.

• Me pania he paninga tiaki, he whakakikoruatia rānei hei ārai i te waikura.

Ngā Whakamahinga o te Rino Waro Iti

Ahumahi Hanga

E whakamahia ana i roto i ngā anga hanganga, ngā kurupae, me ngā pae whakakaha nā te mea he māmā ki te hanga.

Ahumahi Motuka

Ka whakamahia ki ngā panera tinana, ki te anga, me ngā wāhanga hanganga e tika ana kia ngāwari te hanga.

Mīhini me ngā Taputapu

E whakamahia ana te maitai waro-iti i roto i ngā pūtu, ngā nati, ngā mekameka, me ngā wāhanga mīhini.

Ngā Paipa me ngā Ngongo

Nā tōna ngāwari ki te whakarewa, e whakamahia whānuitia ana i roto i ngā paipa wai, i ngā raina hau, me ngā ngongo.

Ngā Taonga o te Whare

He maha ngā wā kei roto i ngā taonga pēnei i ngā tāonga whare, ngā taputapu hiko, me ngā oko kīhini he wāhanga maitai ngawari.

Te Whakataurite ki Ētahi Atu Momo Maitai Waro

• Rino Waro Iti (0.05–0.25% C)– He ngāwari te whakarewa, he utu tika.

• Rino Waro Waenga (0.25–0.60% C)– He kaha ake, he ngāwari ake.

• Rino Waro Teitei (0.60–1.00% C)– Tino mārō, tino kaha, engari kāore i te tino taea te whakamahi.

E whakaatu ana tēnei awhe i te kaha e whakapai ake ai i te nui o te waro, engari ka whakaiti i te ngāwari me te ngāwari whakarewa.

Te Hanganga o te Rino Waro Iti

Kei roto i te tukanga whakaputa:

1. Te hanga rino– Te tango rino mai i te konganuku i roto i te oumu pupuhi.

2. Te hanga maitai– Te whakamahine i te rino i roto i te hāora taketake, i ngā oumu pewa hiko rānei hei whakahaere i ngā taumata waro.

3. Te Maka– Te whakapakeke i te maitai rewa hei pereki, hei pereti, hei putiputi rānei.

4. Te hurihuri/te hanga– Te huri i te maitai mata hei rau, hei pae, hei paipa rānei.

5. Te whakaoti– Ngā maimoatanga mata pēnei i te whakakikorua, te peita rānei hei ātete ki te waikura.

Ngā Paerewa mō te Rino Waro Iti

Ka hangaia ngā maitai waro-iti kia rite ki ngā paerewa o te ao, pēnei i:

• ASTM A36– He pereti maitai waro iti te hanganga.

• EN 10025 S235JR– He maitai ngawari hanganga Pākehā.

• JIS G3101 SS400– Te paerewa Hapanihi mō te maitai hanganga whānui.

• IS 2062– Te paerewa Īnia mō ngā hua maitai ngawari.

Te Tiaki i te Rino Waro Iti mai i te Waikura

Nā te mea he ngāwari te waikura o te maitai ngawari, ko ngā mahi tiaki ko:

• Te whakapūmau– He paninga ki te konutea hei ārai i te waikura.

• Te peita– Te paninga o ngā paninga ahumahi.

• Te whakarewa– Te tāpiri i te chromium, te nickel rānei hei whakapai ake i te ātete.

• Te Tiaki Auau– Te ārai i te hanga waikura i ngā taiao kua pāngia.

Ngā Ahumahi e Whakawhirinaki ana ki te Rino Waro Iti

• Hanganga– Ngā piriti, ngā whare, me ngā hanganga.

• Pūngao– Ngā pourewa tuku wai, ngā paipa, me ngā tāke rokiroki.

• Te kawe waka– Te hanga kaipuke, te hanga rēriwe, me te hanga waka.

• Te Hanga– Ngā taputapu, ngā mīhini, me ngā hua o ia rā.

Ngā Auahatanga o te Ao

• Te whakaputanga taiao-hoate whakamahi i te maitai hangarua me ngā hangarau iti-tukunga.

• Ngā paninga matatauhei whakapai ake i te ātete ki te waikura.

• Ngā rauemi ranute whakakotahi i te maitai ngawari me ngā mea hiato mō te kaha me ngā painga mama.

Whakamutunga

Ko te maitai waro-iti te pou tokomanawa o te ahumahi hou. Nā te utu tika, te maha o ngā whakamahinga, me te ngāwari o te tukatuka, he mea nui tēnei rauemi mō te hanga, te motuka, te hanga, me te tini o ngā whakamahinga. Ahakoa kāore pea i te tino kaha, i te ātete rānei ki te waikura, he nui ake ōna painga i ōna herenga i roto i ngā whakamahinga maha.

Mā te mārama ki ōna āhuatanga me te whiriwhiri i te āhua tika me ngā tikanga tiaki, ka taea e ngā kamupene te whakanui ake i te uara me te mahi o te maitai waro-iti. Ko ngā kaiwhakarato pono pēnei i asakysteelkei te haere tonu ki te whakarato i ngā hua maitai waro-iti kounga teitei e tutuki ana i ngā paerewa o te ao, kia mau ai te haumaru, te whai hua, me te pono mō te wā roa i roto i ngā ahumahi kanorau.