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ASTM A283 vs ASTM A709: Qhov Sib Txawv Tseem Ceeb Hauv Cov Tshuaj Lom Zem, Cov Khoom Siv Kho Tshuab, thiab Cov Ntawv Thov

Raws li kev nqis peev thoob ntiaj teb hauv kev tsim kho vaj tse txuas ntxiv nce ntxiv, cov neeg cog lus, cov neeg tsim khoom hlau, thiab cov pab pawg yuav khoom tau ua tib zoo saib xyuas qhov sib txawv ntawm kev ua tau zoo ntawm ntau yam qauv hlau.ASTM A283thiabASTM A709yog ob tus qauv hlau phaj uas siv ntau, txhua tus muaj cov yam ntxwv sib txawv ntawm cov tshuaj lom neeg sib xyaw, cov khoom siv kho tshuab, thiab kev siv. Tsab xov xwm no muab kev sib piv tob rau cov kws tshaj lij hauv kev tsim choj, cov qauv tsev, thiab cov haujlwm lag luam.

ASTM A283: Cov Hlau Carbon Structural Uas Pheej Yig

ASTM A283yog ib daim hlau carbon uas siv dav hauv kev tsim kho thiab kev tsim kho vaj tse. Nws cov txiaj ntsig suav nrog:

Kev lag luam thiab tsim nyog tus nqi

Kev vuam zoo thiab ua haujlwm tau zoo

Haum rau cov ntawv thov kev ua haujlwm qis zog

Cov qib kawm feem ntau suav nrog A283 Qib A, B, C, thiab D, nrog rauQib Cyog qhov siv ntau tshaj plaws. Cov ntawv thov ib txwm muaj xws li cov thoob dej cia khoom, cov khoom siv sib dua, cov phaj tsim kho dav dav, thiab cov khoom siv tsis tseem ceeb.

Hais txog cov tshuaj lom neeg sib xyaw, A283 yog cov hlau uas tsis muaj carbon nrog cov ntsiab lus yooj yim thiab tsis muaj kev sib xyaw ntxiv, ua rau nws pheej yig tab sis tsis muaj zog thiab ruaj khov.

ASTM A709: Cov Hlau Muaj Zog Rau Choj

Hauv kev sib piv, ASTM A709 yog ib qhoTus qauv hlau tsim tshwj xeeb rau kev tsim kho choj, siv dav rau cov choj txoj kev loj thiab txoj kev tsheb ciav hlau, suav nrog cov nqaj loj, cov nqaj hla, cov phaj lawj, thiab cov qauv truss.

Cov qib kawm feem ntau muaj xws li:

A709 Qib 36

A709 Qib 50

A709 Qib 50W (hlau tiv taus huab cua)

HPS 50W / HPS 70W (hlau ua haujlwm siab)

Cov txiaj ntsig tseem ceeb ntawm A709 suav nrog:

Lub zog ua kom muaj zog dua (≥345 MPa rau Qib 50)

Kev ua haujlwm zoo heev rau qhov kub thiab txias uas tsis tshua muaj zog rau kev qaug zog thiab kev cuam tshuam

Kev tiv thaiv huab cua xaiv tau kom txo cov nqi kho mus sij hawm ntev

Cov hlau ua tau zoo no ua rau A709 zoo tagnrho rau cov choj ntev, cov qauv hnyav, thiab cov haujlwm uas xav tau kev ruaj khov tiv thaiv kev xeb hauv huab cua.

Kev Sib Piv Txog Cov Khoom Siv Kho Tshuab

Vaj tse ASTM A283 Qib C ASTM A709 Qib 50
Lub Zog Tawm ≥ 205 MPa ≥ 345 MPa
Lub zog tensile 380–515 MPa 450–620 MPa
Kev Cuam Tshuam Toughness Nruab nrab Zoo heev (haum rau cov choj)
Kev Tiv Thaiv Huab Cua Tus Qauv Cov qib tiv taus huab cua 50W / HPS

A709 muaj lub zog zoo dua, ruaj khov, thiab tawv, ua rau nws tsim nyog dua rau kev siv cov khoom siv siab thiab cov qauv tseem ceeb.

Kev Xav Txog Tus Nqi

Vim yog cov khoom sib xyaw ntxiv thiab cov kev xav tau kev ua tau zoo dua,A709 feem ntau kim dua li A283Rau cov haujlwm uas xav tau nyiaj tsawg thiab tsis tas yuav siv nyiaj ntau, A283 muab kev siv nyiaj zoo tshaj plaws. Txawm li cas los xij, rau kev tsim choj thiab cov qauv thauj khoom hnyav, A709 yog cov khoom siv uas nyiam dua lossis yuav tsum tau ua.

 

Cov kws tshaj lij engineering hais tias kev xaiv hom hlau kom raug raws li qhov yuav tsum tau ua ntawm cov qauv es tsis yog tus nqi xwb.

Cov haujlwm tsis muaj zog, tsis tseem ceeb: A283 txaus.

Cov choj, cov qauv ntev, cov khoom siv qaug zog siab, lossis kev raug rau qhov chaw ib puag ncig hnyav: A709 yog qhov tsim nyog.

Nrog rau kev txhim kho thoob ntiaj teb kev tsim kho vaj tse sai sai, qhov kev thov rau ASTM A709 txuas ntxiv mus, thaum A283 tseem ruaj khov hauv kev lag luam tsim kho vaj tse thiab lub tank.

 

Tiv Tauj Peb Yog Xav Paub Ntxiv.

Pawg Neeg Muaj Koob Muaj Npe

Chaw Nyob

Kangsheng kev lag luam tsim kho cheeb tsam,
Wuqing koog tsev kawm ntawv, Tianjin nroog, Suav.

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