Helical-seam kharbon tšepe
Thepa ea mochini
| Keletso A | K | Sehlopha c | Sehlopha d | Sehlopha e | |
| Ho hlahisa matla, mets, MPA (KSI) | 330 (48) | 415 (60) | 415 (60) | 415 (60) | 445 (66) |
| Matla a Tenstile, Min, Mpa (ksi) | 205 (30) | 240 (35) | 290 (42) | 315 (46) | 360 (52) |
Sebopeho sa lik'hemik'hale
| Element | Sebopeho, Max,% | ||||
| Keletso A | K | Sehlopha c | Sehlopha d | Sehlopha e | |
| Carbon | 0.25 | 0.26 | 0.28 | 0.30 | 0.30 |
| Manang's | 1.00 | 1.00 | 1.20 | 1.30 | 1.40 |
| Phosphorus | 0.035 | 0.035 | 0.035 | 0.035 | 0.035 |
| Sebabole | 0.035 | 0.035 | 0.035 | 0.035 | 0.035 |
Teko ea hydrostatic
Bolelele bo bong le bo bong ba phala bo tla lekoa ke khatello ea maikutlo e tla hlahisa khatello ea mokokotlo oa ba bang 60% ea tlhahiso ea kamore. Khatello e tla khethoa ke equation e latelang:
P = 2st / d
Lintho tse sa lumellaneng ka boima ba boima le boholo
Bolelele bo bong le bo bong ba pipe bo tla lekanngoa ka thoko le boima ba eona bo fetang 10% ho feta boima ba eona ba ho ba le boima ba eona.
Tšelo ea kantle e ke ke ea fapana ho feta ± 1% ho tsoa botebong bo itseng bo boletsoeng ka ntle.
Boloi ba lebota ntlheng efe kapa efe bo ke ke ba fetang 12.5% tlasa botenya ba lebota le boletsoeng leboteng.
Bolelele
Bolelele bo le bong bo sa sebetseng: 16 ho isa ho 25ft (4.88 ho isa ho 7.62m)
Bolelele ba bolelele bo habeli: Ho feta 25ft ho isa ho 35ft (7.62 ho 10.67m)
Bolelele ba Uniform: Phapang e lumellang ± 1in
E fela
Lithako tsa lipeipi li tla tsamaisoa ka li-plain li fela, 'me babusi qetellong ba tla tlosoa
Ha phala e hlalosoa hore e tla ba e qete, e tla ba boholo ba 30 ho isa ho 35 degree
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