Ko te rerekētanga o te utu mākete i waenga i ngā paipa maitai tuimotu pakitara-angiangi me ngā paipa maitai tuimotu pakitara-matotoru e whakawhirinaki ana ki te tukanga whakaputa, te utu rauemi, te mara tono me te tono. Ko ngā rerekētanga matua e whai ake nei ko te utu me te kawe:

1. Te rerekētanga o te utu mākete
Paipa maitai kore-pakipa angiangi:

Utu iti iho: Nā te matotoru o te pakitara, he iti ake ngā rauemi mata e whakamahia ana, ā, he iti noa te utu hanga.

Whānui te whakamahinga: Ka whakamahia whānuitia i ngā wā he iti ngā whakaritenga mō te kaha me te ātete pēhanga, pērā i te hanga, te whakapaipai, te kawe wai, me ētahi atu, me te nui o te tono mākete.

Ngā piki me ngā heke iti o te utu: I te nuinga o te wā, he pumau te utu, ā, he nui te pānga o te mākete maitai ki a ia.

Paipa maitai matotoru-pakipa:

Te utu nui ake: He nui te matotoru o te pakitara, he nui ake ngā rauemi mata e whakamahia ana, ā, he uaua te tukanga whakaputa, ka nui ake ngā utu.

Ngā whakaritenga mahi teitei: He mea whakamahi noa i ngā mara he nui te pēhanga me ngā whakaritenga kaha hanganga teitei, pērā i ngā taputapu mīhini, ngā matū hinu, ngā kohua, me ētahi atu, he nui ngā whakaritenga mō te kaha pēhanga me te ātete ki te waikura.

Te utu nui me ngā piki me ngā heke nui: Nā te kaha o te tono mō ngā paipa maitai matotoru-taiepa i roto i ngā mara motuhake, ka tino piki te utu, inā koa ka piki te utu o ngā rauemi mata maitai.
2. Ngā whakatūpato mō te kawe waka
Paipa maitai kore-pakipa angiangi:

Ngāwari te whakapēke: Nā te angiangi o te pakitara o te paipa, he ngāwari te whakapēke e ngā kaha o waho i te wā e kawe ana, inā koa i te wā e paihere ana, e whakarārangi ana rānei.
Ārai i ngā karawarawa: He ngāwari te pakaru o te mata o ngā paipa angiangi, ā, me mahi ngā mahi tiaki tika, pērā i te hipoki i te mata ki te kakahu kirihou, ki ētahi atu rauemi tiaki rānei.
Te paihere pumau: Me whakamahi i ngā whitiki ngohengohe, i ngā whitiki maitai motuhake rānei hei paihere kia kore ai e rerekē te āhua o te tinana paipa nā te nui rawa o te whakakaha.
Paipa maitai matotoru-pakipa:

Taumaha: He taumaha ngā paipa rino matotoru-taiepa, ā, me nui ngā taputapu hiki i te wā e kawe ana, ā, me nui te kaha o ngā taputapu kawe.
Te whakarārangi pumau: Nā te taumaha o ngā paipa rino, me whai whakaaro ki te taurite me te pumau i te wā e whakarārangi ana kia kore ai e hurihuri, e takahuri rānei, inā koa i te wā e kawe ana hei ārai i te paheke, te tukinga rānei.
Te haumaru o te kawe waka: I te wā e kawe ana i tawhiti, me aro nui ki ngā taputapu pēnei i ngā papa ārai-paheke me ngā poraka tautoko i waenga i ngā paipa rino hei karo i ngā kino i puta mai i te waku me te pānga.
He iti te utu mō ngā paipa maitai tuimotu pakitara-angiangi, engari me aro nui ki te ārai i te rerekētanga me te kino o te mata i te wā e kawe ana; engari he nui ake te utu mō ngā paipa maitai tuimotu pakitara-matotoru, me aro nui ki te haumaru, te pumau me te whakahaere taumaha i te wā e kawe ana. Heoi anō, me arotake tonu ngā paipa maitai tuimotu me ngā rauemi me ngā whakaritenga motuhake.
Ko ngā paipa rino tui matua o Sanonpipe ko ngā paipa kōhua, ngā paipa tongi, ngā paipa hinu, me ngā paipa hanganga.

1.Ngā Paipa Pūwero40%
ASTM A335/A335M-2018: P5, P9, P11, P12, P22, P91, P92;GB/T5310-2017: 20 karamu, 20 mig, 25 mig, 15 mig, 20 mig, 12 mig, 15 mig, 12 mig2 mig, 12 mig;ASME SA-106/ SA-106M-2015: GR.B, CR.C; ASTMA210(A210M)-2012: SA210GrA1, SA210 GrC; ASME SA-213/SA-213M: T11, T12, T22, T23, T91, P92, T5, T9, T21; GB/T 3087-2008: 10#, 20#;
2.paipa raina30%
API 5L: PSL 1, PSL 2;
3.Paipa hinu matū10%
GB9948-2006: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 20G, 20MnG, 25MnG; GB6479-2013: 10, 20, 12CrMo, 15CrMo, 12Cr1MoV, 12Cr2Mo, 12Cr5Mo, 10MoWVNb, 12SiMoVN b;GB17396-2009:20, 45, 45Mn2;
4.ngongo whakawhiti wera10%
ASME SA179/192/210/213 : SA179/SA192/SA210A1.
SA210C/T11 T12, T22.T23, T91. T92
5.Paipa mīhini10%
GB/T8162: 10, 20, 35, 45, Q345, 42CrMo; ASTM-A519:1018, 1026, 8620, 4130, 4140; EN10210: S235GRHS275JOHS275J2H; ASTM-A53: GR.A GR.B