ASTM A234 WPB & WPC xirmooyinka tuubooyinka oo ay ku jiraan xusullada, tii, wax-yaraha

Sharaxaad Gaaban:

Tilmaamahani waxa uu daboolayaa birta kaarboonka ee la sameeyay iyo qalabka birta daawaha ah ee dhismaha aan xidhnayn iyo alxanka.Qalabyadan waxaa loogu talagalay tuubbooyinka cadaadiska iyo samaynta weelka cadaadiska si loogu adeego heerkul dhexdhexaad ah iyo mid sarreeya.Qalabka lagu rakibo waa inuu ka koobnaadaa bir la dilay, foorjaro, baararka, taargooyinka, alaabada tuubada ee aan xidhnayn ama isku dhafka ah ee lagu daray biraha buuxinta.Hawlgallada been abuurka ama qaabaynta waxa laga yaabaa in lagu sameeyo dubbe, riixid, daloolin, ka xanaajin, rogid, foorarid, alxanka fiyuuska, makiinada, ama isku darka laba ama ka badan oo hawlgalladan ah.Habka samaynta waa in lagu dabaqaa si aanay u soo saarin cillado dhaawac leh.Qalabka lagu rakibay, ka dib marka lagu sameeyo heerkul sare, waa in lagu qaboojiyo heerkul ka hooseeya heerka muhiimka ah ee xaaladaha ku habboon si looga hortago cilladaha dhaawaca ah ee ay keento qaboojinta degdegga ah, laakiin xaalad kasta si ka dhaqso badan heerka qaboojinta hawada weli.Qalabka ku rakiban waa in la mariyaa tijaabada xiisadda, tijaabada adkaanta, iyo tijaabada hydrostatic.


Faahfaahinta Alaabta

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Halabuurka Kiimikada ee ASTM A234 WPB & WPC

Cunsurka

Nuxurka, %

ASTM A234 WPB

ASTM A234 WPC

Kaarboon [C]

≤0.30

≤0.35

Manganese [Mn]

0.29-1.06

0.29-1.06

Fosfooraska [P]

≤0.050

≤0.050

Sulfur [S]

≤0.058

≤0.058

Silikoon [Si]

≥0.10

≥0.10

Chromium [Cr]

≤0.40

≤0.40

Molybdenum [Mo]

≤0.15

≤0.15

Nickel [Ni]

≤0.40

≤0.40

Copper [Cu]

≤0.40

≤0.40

Vanadium [V]

≤0.08

≤0.08

*Kaarboonka u dhigma [CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] waa in aanu ka badnayn 0.50 waxaana lagu soo wargalin doonaa MTC.

Qalabka makaanikada ee ASTM A234 WPB & WPC

ASTM A234

Xoogga Jilbaha, min.

Xoogga Wax-soo-saarka, min.

Kordhinta %, min

ksi

MPa

ksi

MPa

Dheeraad ah

Guddoon

WPB

60

415

35

240

22

14

WPC

70

485

40

275

22

14

*1.Xirmooyinka tuubooyinka WPB iyo WPC ee laga sameeyay taarikada waa inay lahaadaan dhererka ugu yar ee 17%.
*2.Haddii aan loo baahnayn, qiimaha qallafsanaantu uma baahna in la sheego.

Wax-soo-saarka

Qalabka birta kaarboon ee ASTM A234 waxaa laga yaabaa in laga sameeyo tuubooyin aan fiicneyn, tuubooyinka alxanka leh ama taarikada iyadoo la qaabeynayo hawlgallada riixitaanka, daloolinta, soo saarista, foorarsiga, alxanka fiyuuska, mashiinnada, ama isku darka laba ama ka badan oo hawlgalladan ah.Dhammaan alxanka oo ay ku jiraan alxanka alaabta tuubada ee laga sameeyay qalabyada waa in loo sameeyaa si waafaqsan Qeybta IX ee ASME.Daawaynta kulaylka ka dib 1100 ilaa 1250F[595 ilaa 675°C] iyo baadhitaanka shucaaca waa in la sameeyaa ka dib habka alxanka.


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