Imiyoboro ya Carbone ibyuma bifasha ASTM A139 Icyiciro A, B, C.

Ibisobanuro bigufi:

Ibi bisobanuro bikubiyemo ibyiciro bitanu byamashanyarazi-arc (arc) -gusudira ibyuma-byuma byuma.Umuyoboro ugenewe gutanga amazi, gaze cyangwa imyuka.

Hamwe nimirongo 13 yumusaruro wumuyoboro wibyuma, Cangzhou Spiral Steel imiyoboro ya Co, Ltd ifite ubushobozi bwo gukora imiyoboro yicyuma ya tekinike hamwe na diameter yo hanze kuva kuri 219mm kugeza kuri 3500mm naho uburebure bwurukuta bugera kuri 25.4mm.


Ibicuruzwa birambuye

Ibicuruzwa

Umutungo wa mashini

Icyiciro A. Icyiciro B. Icyiciro C. Icyiciro D. Icyiciro E.
Gutanga imbaraga, min, Mpa (KSI) 330 (48) 415 (60) 415 (60) 415 (60) 445 (66)
Imbaraga zingana, min, Mpa (KSI) 205 (30) 240 (35) 290 (42) 315 (46) 360 (52)

Ibigize imiti

Ikintu

Ibigize, Max,%

Icyiciro A.

Icyiciro B.

Icyiciro C.

Icyiciro D.

Icyiciro E.

Carbone

0.25

0.26

0.28

0.30

0.30

Manganese

1.00

1.00

1.20

1.30

1.40

Fosifore

0.035

0.035

0.035

0.035

0.035

Amazi

0.035

0.035

0.035

0.035

0.035

Ikizamini cya Hydrostatike

Buri burebure bwumuyoboro bugomba kugeragezwa nuwabikoze kumuvuduko wa hydrostatike uzatanga murukuta rwumuyoboro impungenge zitari munsi ya 60% yumusaruro muto wagenwe mubushyuhe bwicyumba.Umuvuduko uzagenwa nuburinganire bukurikira:
P = 2St / D.

Impinduka zemewe muburemere nubunini

Buri burebure bw'umuyoboro bugomba gupimwa ukundi kandi uburemere bwacyo ntibushobora gutandukana hejuru ya 10% hejuru ya 5.5% munsi yuburemere bwacyo, ubarwa ukoresheje uburebure bwacyo n'uburemere bwacyo muburebure.
Diameter yo hanze ntishobora gutandukana kurenza ± 1% uhereye kuri nomero yerekanwe hanze ya diameter.
Umubyimba wurukuta umwanya uwariwo wose ntushobora kurenza 12.5% ​​munsi yubugari bwurukuta.

Uburebure

Uburebure bumwe butunguranye: 16 kugeza 25ft (4.88 kugeza 7,62m)
Uburebure bubiri bubiri: hejuru ya 25ft kugeza 35ft (7.62 kugeza 10.67m)
Uburebure bumwe: gutandukana byemewe ± 1in

Iherezo

Ibirundo by'imiyoboro bigomba kuba bifite impera zisanzwe, kandi burr ku mpera zizakurwaho
Iyo imiyoboro irangiye yerekanwe kuba bevel irangiye, inguni igomba kuba dogere 30 kugeza 35


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