ASTM A519ke phala ea tšepe e se nang moroko bakeng sa merero ea mochini e nang le bophara ba kantle bo sa feteng lisenthimithara tse 12 3/4 (325 mm).
Kereiti ea 1020, Sehlopha sa MT 1020, leSehlopha sa MT X 1020ke limaraka tse tharo, tseo kaofela e leng liphaephe tsa tšepe tsa carbon.
ASTM A519 e tla etsoa ka mokhoa o se nang moeli, e leng sehlahisoa sa tubula se se nang seams se cheselitsoeng.
Li-tubes tsa tšepe tse se nang seam hangata li etsoa ka ho sebetsa ho chesang.Haeba ho hlokahala, sehlahisoa se chesang se ka sebetsoa ka mokhoa o batang ho fumana sebopeho se lakatsehang, boholo le thepa.
ASTM A519 e na le libopeho tse chitja, sekwere, tse khutlonnetsepa kapa tse ling tse ikhethang.
Botop Steel e sebetsa ka ho khetheha ka li-tubing tsa tšepe tse chitja 'me e khona ho iketsetsa libopeho ha u e kopa.
Khetho ea Mophato | Meeli ea Sebopeho sa Lik'hemik'hale,% | |||
Khabone | Manganese | Phosphorus | Sebabole | |
1020 | 0.18 - 0,23 | 0.30 - 0,60 | 0.04 boholo | 0.05 max |
MT 1020 | 0.15 - 0,25 | 0.30 - 0,60 | 0.04 boholo | 0.05 max |
MT X 1020 | 0.15 - 0,25 | 0.70 - 1.00 | 0.04 boholo | 0.05 max |
Thepa ea mochini ea ASTM A519 1020 e kenyelletsa matla a ho qetela, matla a tlhahiso, bolelele, le Rockwell hardness B e leng thepa ea thepa.
ASTM A519 ha e thathamise thepa ea mochini ea MT 1020 le MT X 1020.
Khetho ea Mophato | Mofuta oa Pipe | Boemo | Matla a ho qetela | Hlahisa Matla | Elongation ka 2in.[50mm], % | Rockwell, Thata B Sekala | ||
ksi | Mpa | ksi | Mpa | |||||
1020 | Tšepe ea Carbon | HR | 50 | 345 | 32 | 220 | 25 | 55 |
CW | 70 | 485 | 60 | 415 | 5 | 75 | ||
SR | 65 | 450 | 50 | 345 | 10 | 72 | ||
A | 48 | 330 | 28 | 195 | 30 | 50 | ||
N | 55 | 380 | 34 | 235 | 22 | 60 |
HR: Ho Chesa Ho Qetsitsoe;
CW: Ho bata ho Sebetsa;
SR: Ho Fokotse Khatello ea Maikutlo;
A: E hloekisitsoe;
N: E tloaelehileng;
Re hlalositse ka botlalo litlhoko tsa ho mamellana ha mahlakore a pota-potilengMamello ea Dimensional ea ASTM A519, e ka bonoang ka ho tobetsa ho eona.
Pipe ea tšepe ea ASTM A519 hangata e hloka ho roala pele ho romelloa, hangata oli e thibelang mafome, lipente, joalo-joalo, e thibelang mafome le kutu ho etsahala nakong ea lipalangoang le polokelo.
Re ka fana ka mefuta e mengata ea likhetho tsa ho paka tseo u ka khethang ho tsona.
Litebele, crating, mabokose, ho paka ka bongata, likhoele, joalo-joalo, tse ka hlophisitsoeng ho fihlela litlhoko tsa projeke ea hau.