Mapombi esimbi yekabhoni ane musono wehelical-seam ASTM A139 Giredhi A, B, C
Zvivakwa zveMechanical
| Giredhi A | Giredhi B | Giredhi C | Giredhi D | Giredhi E | |
| Simba rekupa, min, Mpa(KSI) | 330(48) | 415(60) | 415(60) | 415(60) | 445(66) |
| Simba rekusimba, min, Mpa(KSI) | 205(30) | 240(35) | 290(42) | 315(46) | 360(52) |
Kuumbwa kweMakemikari
| Chinhu | Kuumbwa, Max, % | ||||
| Giredhi A | Giredhi B | Giredhi C | Giredhi D | Giredhi E | |
| Kabhoni | 0.25 | 0.26 | 0.28 | 0.30 | 0.30 |
| Manganese | 1.00 | 1.00 | 1.20 | 1.30 | 1.40 |
| Fosforasi | 0.035 | 0.035 | 0.035 | 0.035 | 0.035 |
| Sarufa | 0.035 | 0.035 | 0.035 | 0.035 | 0.035 |
Kuedzwa kweHydrostatic
Kureba kwepaipi imwe neimwe kunofanira kuyedzwa nemugadziri kusvika pakumanikidzwa kwemvura kuchaita kuti pamadziro epaipi pave nekumanikidzwa kusingasviki 60% yesimba remubereko rakatarwa patembiricha yemumba. Kumanikidzwa kunofanira kutsanangurwa nemuenzaniso unotevera:
P=2St/D
Kusiyana Kunobvumidzwa Muhuremu neMakuriro
Kureba kwepombi imwe neimwe kunofanira kuyerwa kwakasiyana uye huremu hwayo hahufanirwe kusiyana ne10% pamusoro kana 5.5% pasi pehuremu hwayo hwepfungwa, zvichiverengerwa uchishandisa hurefu hwayo nehuremu hwayo pahurefu hweyuniti.
Dhayamita yekunze haifanirwe kusiyana kupfuura ±1% kubva padhayamita yekunze yakatarwa.
Ukobvu hwemadziro chero nguva hunofanira kunge husingapfuuri 12.5% pasi peukobvu hwemadziro hwakatarwa.
Kureba
Hurefu husina kurongeka: 16 kusvika 25ft (4.88 kusvika 7.62m)
Hurefu huviri hwakasiyana-siyana: pamusoro pe25ft kusvika 35ft (7.62 kusvika 10.67m)
Hurefu hwakafanana: musiyano unobvumirwa ±1in
Kuguma
Mapombi anofanira kunge akagadzirwa nemativi asina kuenzana, uye maburi ari kumagumo anofanira kubviswa.
Kana magumo epombi akatarwa kuti ave ebhevel, kona inofanira kuva 30 kusvika 35 degrees
