ASTM A105 Normalizedhais txogASTM A105 Cov Hlau Carbonuas tau undergone anormalizing cua sov kev kho mobtxheej txheem. Qhov kev kho no tau siv los txhim kho cov khoom lag luam cov qauv sib dhos thiab cov khoom siv neeg siv neeg.
Dab tsi yog ib txwm?
Li noPuas yog cov txheej txheem kho cua sov hauv cov hlau uas muaj cua sov mus rau qhov kub thiab txias dua li nws qhov tseem ceeb (feem ntau 1671-927 degree) thiab tom qab ntawd txias rau hauv huab cua. Tus txheej txheem no ua kom cov grain qauv, ua rau:
Txhim Kho Cov Tais
Kom tau zoo tshuab
Uniform grav qauv
Nce zog thiab Hardness
Cov txiaj ntsig ntawm kev ua kom zoo li ASTM A105:
Txhim Kho Cov Khoom Siv Neeg Kho Tshuab: Kev ua li cas pab tau ua kom tiav cov khoom siv zoo ib yam, zoo li lub zog tensile thiab tawm lub zog, uas yuav tsum muaj rau cov ntawv thov.
Txhim Kho Cov Tougning: Cov txheej txheem nce cov tawv ntawm cov khoom, tshwj xeeb tshaj yog thaum kub tsawg.
Txo kev ntxhov siab sab hauv: Normalizing pab ua kom muaj kev ntxhov siab sab hauv los ntawm kev lom zem lossis vuam, txo qhov kev pheej hmoo ntawm cov khoom tsis ua haujlwm.
Zoo dua tshuab machinability: Nws txhim kho cov khoom siv tau txais cov khoom siv los ntawm kev ua kom ua kom cov qoob loo ntim thiab txo lub hardness.
Cov ntawv thov ntawm ib txwm istm A105:
Flanges: Nevatized Astm A105 yog feem ntau siv nyob rau hauvflangesQhov twg muaj zog thiab cov khoom siv hluav taws xob uas tsis zoo yog qhov tseem ceeb.
Fittings thiab li qub: Nws yog siv nyob rau hauvtus miv, li qub, thiabLwm cov khoom sib xyawuas yuav tsum tau txhim kho kev ua tau zoo ntawm cov kev ntsuas siab thiab kub.
Siab Tshuab: Nictized A105 cov khoom siv feem ntau siv rau hauv cov nruab siab qhov twg qhov sib npaug ntawm lub zog thiab tawv yog qhov tseem ceeb.
Cov Khoom Siv Neeg Kho Tshuab Tom qab ib txwm (raug):
Lub zog tensile: ~ 70, 000 - 100}, {2}}} psi ({}} mpa mpa
Paib lub zog: ~ 36, {000 - 60}} 000 psi ({}} mpa mpa)
Elongation: ~ {20-30% (hauv 8 ntiv taw lossis 200 hli)
Tag:
Normalizing ASTM A105 txhim kho cov khoom siv kev ua tau zoo, tshwj xeeb rau cov ntawv thov uas muaj kev cuam tshuam siab thiab kub. Qhov kev kho mob no txhim kho lub zog, kev nruj heev, thiab machinability, ua nws txoj kev xaiv zoo rau kev siv piping thiab flange.
