Liphaephe tsa tšepe ea k'habone tse nang le seam e chitja ASTM A139 Kereiti A, B, C

Tlhaloso e Khutšoanyane:

Tlhaloso ena e akaretsa mekhahlelo e mehlano ea phaephe ea tšepe ea helical-seam e kopantsoeng ka motlakase le motsoako (arc). Phaephe ena e etselitsoe ho tsamaisa metsi, khase kapa mouoane.

Ka mela e 13 ea tlhahiso ea liphaephe tsa tšepe tse potolohang, sehlopha sa liphaephe tsa tšepe tsa Cangzhou Spiral Steel Co., Ltd. se khona ho etsa liphaephe tsa tšepe tse nang le seam e helical tse bophara ba kantle ho tloha ho 219mm ho isa ho 3500mm le botenya ba lebota ho fihlela ho 25.4mm.


Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

Thepa ea Mechini

Sehlopha sa A Sehlopha sa B Sehlopha sa C Sehlopha sa D Sehlopha sa E
Matla a tlhahiso, bonyane, Mpa(KSI) 330(48) 415(60) 415(60) 415(60) 445(66)
Matla a ho tensile, min, Mpa(KSI) 205(30) 240(35) 290(42) 315(46) 360(52)

Sebopeho sa Lik'hemik'hale

Karolo

Sebopeho, Boholo, %

Sehlopha sa A

Sehlopha sa B

Sehlopha sa C

Sehlopha sa D

Sehlopha sa E

Khabone

0.25

0.26

0.28

0.30

0.30

Manganese

1.00

1.00

1.20

1.30

1.40

Fosforase

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 phaephe bo tla lekoa ke moetsi ho ya ka kgatello ya hydrostatic e tla hlahisa leboteng la phaephe kgatello ya bonyane 60% ya matla a bonyane a tlhahiso a boletsweng mochesong wa kamore. Kgatello e tla laolwa ke equation e latelang:
P=2St/D

Liphetoho tse Lumellehang Boima le Litekanyo

Bolelele bo bong le bo bong ba phaephe bo tla bewa ka thoko mme boima ba yona ha bo a lokela ho fapana ho feta 10% ho feta kapa 5.5% tlasa boima ba yona ba kgopolo-taba, bo balwang ho sebediswa bolelele ba yona le boima ba yona ka bolelele ba yuniti.
Bophara ba kantle ha boa lokela ho fapana ho feta ± 1% ho tloha bophara bo boletsoeng ba kantle.
Botenya ba lebota ntlheng efe kapa efe ha boa lokela ho feta 12.5% ​​tlasa botenya ba lebota bo boletsoeng.

Bolelele

Bolelele bo le bong bo sa reroang: 16 ho isa ho 25ft (4.88 ho isa ho 7.62m)
Bolelele bo habeli bo sa reroang: ho feta 25ft ho isa ho 35ft (7.62 ho isa ho 10.67m)
Bolelele bo tšoanang: phapang e lumelletsoeng ±1in

Lipheletso

Liqubu tsa liphaephe li lokela ho fuoa lipheletso tse se nang letho, 'me li-burrs tse lipheletsong li lokela ho tlosoa.
Ha pheletso ea phaephe e boletsoeng hore e be pheletso ea bevel, sekhutlo e lokela ho ba likhato tse 30 ho isa ho tse 35


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