Qib B thiab Qib C yog ob qib sib txawv raws li tus qauv ASTM A500.
ASTM A500yog tus qauv tsim los ntawm ASTM International rau cov kav dej carbon steel uas ua los ntawm cov hlau txias thiab tsis muaj qhov sib txuas.
Tom ntej no, cia peb muab lawv piv rau ntau txoj hauv kev kom nkag siab txog qhov zoo sib xws thiab qhov sib txawv uas lawv muaj.
Qhov txawv
ASTM A500 Qib B thiab C sib txawv ntau yam hauv cov tshuaj lom neeg sib xyaw, cov khoom tensile, thiab thaj chaw siv.
Qhov Sib Txawv ntawm Cov Tshuaj Lom Zem
Hauv tus qauv ASTM A500, muaj ob txoj kev tshuaj xyuas rau cov tshuaj lom neeg ntawm cov hlau: kev tshuaj xyuas thermal thiab kev tshuaj xyuas khoom.
Kev tshuaj xyuas thermal yog ua thaum lub sijhawm yaj cov hlau. Nws lub hom phiaj yog xyuas kom meej tias cov tshuaj lom neeg ntawm cov hlau ua tau raws li qhov yuav tsum tau ua ntawm tus qauv tshwj xeeb.
Kev tshuaj xyuas cov khoom, ntawm qhov tod tes, yog ua tom qab cov hlau twb tau ua tiav lawm. Txoj kev tshuaj xyuas no yog siv los xyuas kom meej tias cov tshuaj lom neeg ntawm cov khoom kawg ua tau raws li cov kev cai tshwj xeeb.
Tsis yog qhov xav tsis thoob, cov ntsiab lus carbon ntawm Qib C qis dua me ntsis ntawm Qib B, uas txhais tau tias Qib C muaj kev tawv zoo dua thaum vuam thiab molding.
Qhov sib txawv ntawm cov khoom tensile
Qib B: Feem ntau muaj qib siab ntawm kev ductility, tso cai rau nws kom ncab hauv qhov nro yam tsis tawg, thiab tsim nyog rau cov qauv uas xav tau qee qhov khoov lossis deformation.
Qib C: Muaj lub zog tensile thiab cov zis siab dua vim nws cov tshuaj lom neeg muaj pes tsawg leeg, tab sis tej zaum yuav tsis yooj yim dua li Qib B.
Qhov Txawv ntawm Daim Ntawv Thov
Txawm hais tias ob qho tib si siv rau hauv cov qauv thiab cov ntawv thov kev txhawb nqa, qhov tseem ceeb yog txawv.
Qib BVim nws cov khoom siv vuam thiab tsim zoo dua, nws feem ntau siv rau hauv cov qauv tsev, kev tsim choj, kev txhawb nqa tsev, thiab lwm yam, tshwj xeeb tshaj yog thaum cov qauv xav tau vuam thiab khoov.
Qib CVim nws muaj zog dua, nws feem ntau siv rau hauv cov ntawv thov uas raug kev thauj khoom ntau dua, xws li kev tsim kho hauv kev lag luam, cov qauv txhawb nqa tshuab hnyav, thiab lwm yam.
Kev sib koom ua ke
Txawm hais tias Qib B thiab Qib C txawv ntawm ntau txoj kev, lawv kuj muaj cov yam ntxwv zoo sib xws.
Tib Lub Duab Hlais
Cov duab ntawm cov khoom seem yog puag ncig, square, rectangular, thiab oval.
Kev Kho Mob Kub
Tag nrho cov tso cai rau cov hlau kom raug kev ntxhov siab-relieved los yog annealed.
Cov Kev Pabcuam Xeem Ib Yam
Ob Qib B thiab C yuav tsum ua kom tau raws li qhov yuav tsum tau ua ntawm ASTM A500 rau kev tshuaj xyuas thermal, kev tshuaj xyuas khoom, kev sim tensile, Flattening Test, Flaring Test, thiab Wedge Crush Test.
Kev kam rau siab tib yam
Piv txwv ntawm ib feem hollow puag ncig.
Peb Cov Khoom Muaj Feem Xyuam
Thaum xaiv seb puas siv ASTM A500 Qib B lossis Qib C tubing, yuav tsum xav txog qhov yuav tsum tau ua engineering tiag tiag thiab kev siv nyiaj tsim nyog.
Piv txwv li, rau cov qauv uas tsis xav tau lub zog siab tab sis zoo toughness, Qib B tej zaum yuav yog qhov kev xaiv pheej yig dua. Rau cov haujlwm uas xav tau lub zog ntau dua thiab muaj peev xwm thauj khoom ntau dua, Qib C muab kev ua tau zoo tsim nyog, txawm tias tus nqi siab dua.
Cov cim npe: astm a500, qib b, qib c, qib b vs c.
Lub sijhawm tshaj tawm: Tsib Hlis-05-2024