Spirally Welded Steel Pipes ASTM A252 Grade 1 2 3
Thepa ea Mechini
| Sehlopha sa 1 | Sehlopha sa 2 | Sehlopha sa 3 | |
| Yield Point or yield strength, min, Mpa(PSI) | 205(30 000) | 240(35 000) | 310(45 000) |
| Tensile strength, min, Mpa(PSI) | 345(50 000) | 415(60 000) | 455(66 0000) |
Tlhahlobo ea lihlahisoa
Tšepe ha ea lokela ho ba le 0.050% ea phosphorus.
Liphapang Tse Dumelloang Ka Boima le Botekanyo
Bolelele bo bong le bo bong ba qubu ea liphaephe bo tla lekanngoa ka thoko 'me boima ba eona bo ke ke ba fapana ho feta 15% ho feta kapa 5% tlasa boima ba eona ba theoretical, e baloang ho sebelisoa bolelele ba eona le boima ba eona ka bolelele ba yuniti.
Bophara ba ka ntle bo ke ke ba fapana ho feta ± 1% ho tloha bophara bo boletsoeng bo ka ntle bo boletsoeng
Botenya ba marako sebakeng leha e le sefe ha boa lokela ho feta 12.5% tlas'a botenya ba lebota bo boletsoeng
Bolelele
Bolelele bo le bong: 16 ho isa ho 25ft(4.88 ho isa ho 7.62m)
Bolelele bo sa reroang habeli: ho feta 25ft ho isa ho 35ft(7.62 ho isa ho 10.67m)
Bolelele bo tšoanang: phapano e lumelletsoeng ±1in
E qetella
Lithako tsa liphaephe li tla lokisoa ka lipheletso tse hlakileng, 'me lithupa li tla tlosoa lipheletsong.
Ha pheletso ea phala e boletsoeng e le bevel e fela, angle e tla ba 30 ho isa ho 35 degrees
Ho tšoaea lihlahisoa
Bolelele bo bong le bo bong ba qubu ea liphaephe bo tla tšoauoa ka mokhoa o hlakileng ka ho etsa stenciling, ho hatakela kapa ho thetheha ho bonts'a: lebitso kapa lebitso la moetsi, nomoro ea mocheso, mokhoa oa moetsi, mofuta oa seam helical, bophara ba kantle, botenya ba lebota, bolelele, le boima ka bolelele ba yuniti, tlhophiso le kereiti.
Lihlopha tsa lihlahisoa
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