A537 Chav Kawm 3yog lub siab lub nkoj steel phaj siv roj thiab roj, petrochemical, thiab hluav taws xob tsim hluav taws xob. Tsim los rau nruab nrab mus rau qhov kub siab, nws muab lub zog zoo thiab toughness. Muab cov normalized thiab tempered, nws muaj ib tug zoo -grained microstructure uas txhim kho txhua yam khoom. Nws yog feem ntau siv hauv boilers, kub exchangers, thiab lwm yam siab- muaj cov khoom xav tau kev txhim khu kev qha kev ua tau zoo nyob rau hauv kev ntxhov siab.
Tshuaj muaj pes tsawg leeg:
| Qib Steel | Thickness (mm) |
ASTM A537 Tshuaj muaj pes tsawg leeg %. | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C. max |
Si | Mn | P. max |
S. max |
Cu. max |
Ni. max |
Cr. max |
Mo. max |
||
| A537 Chav Kawm 3 | - | 0.24 | 0.13-0.55 | 0.64-1.46 | 0.035 | 0.035 | 0.38 | 0.28 | 0.29 | 0.09 |
mechanical zog:
| Qib | Thickness (hli) | Tsawg-yield (Mpa) | Tensile (MPa) | Elongation (%) |
| A537 chav 3 | 8mm-65 hli | Min 380 Mpa | 550-690 Mpa | 22% |
| 66mm-100 hli | Min 345 Mpa | 515-655 Mpa | 22% | |
| 101mm-150mm | Min 275 Mpa | 485-620 Mpa | 20% |
Daim ntawv thov
Roj & Roj Kev Lag Luam:
A537 Chav Kawm 3 yog siv dav hauv cov roj thiab roj rau cov hlab ntsha siab, cov khoom sib cais, thiab cov tso tsheb hlau luam uas tuav cov roj av, roj av, thiab lwm yam hydrocarbons. Cov Cheebtsam no feem ntau ua haujlwm nyob rau hauv siab thiab kub, thiab lawv yuav tsum tiv taus qaug zog thiab muaj peev xwm nkig tawg. Lub steel lub zog thiab toughness ua rau nws haum rau ob qho tib si onshore thiab offshore installation qhov kev ntseeg siab thiab kev nyab xeeb yog ib qho tseem ceeb.
Kev tsim hluav taws xob:
Hauv cov chaw tsim hluav taws xob, A537 Chav Kawm 3 yog siv rau cov khoom hauv nruab nrab -siab boilers thiab chav tshuab. Cov khoom no raug cuam tshuam los ntawm kev ua kom sov tsis tu ncua thiab siab - lub zog siab, xav tau cov khoom siv uas tuaj yeem tswj xyuas cov qauv kev ncaj ncees nyob rau lub sijhawm ua haujlwm ntev. Cov hlau zoo txhua yam khoom thiab ua haujlwm rau thermal kev nyuaj siab ua rau nws muaj kev cia siab rau cov khoom siv boiler thiab cov khoom siv sib txuas.
Kev ua tshuaj lom neeg:
Hauv kev lag luam tshuaj, A537 Chav Kawm 3 yog ua haujlwm nyob rau hauv chemical cia tanks thiab reactors. Cov hlab ntsha no tuav ntau yam tshuaj, qee yam uas yuav ua rau corrosive lossis ua tiav ntawm qhov kub siab. Cov hlau muaj peev xwm ua tau zoo tsis tu ncua nyob rau hauv lub siab nruab nrab thiab cov txheej txheem sib txawv ua kom muaj kev nyab xeeb thiab ua haujlwm zoo ntawm cov nroj tsuag tshuaj.
Khoom siv:
A537 Chav Kawm 3 kuj tseem siv rau hauv ntau yam khoom siv, suav nrog cov khoom siv hluav taws xob sib txawv thiab ntau yam khoom siv uas yuav tsum muaj qhov sib npaug ntawm lub zog thiab lub zog. Nws weldability thiab txhim khu kev qha kev ua tau zoo nyob rau hauv kev ntxhov siab ua rau nws tsim nyog rau daim ntaub ntawv uas durability thiab kuj rau thermal thiab mechanical loading yog qhov tseem ceeb.
Thov kom muaj kev tshaj lij rau A537 chav kawm 3 los ntawm GNEE Steel.
Dab tsi yog cov khoom tseem ceeb ntawm A537 Chav Kawm 3?
A537 Chav Kawm 3 muaj qhov sib npaug zoo ntawm cov txiaj ntsig siab thiab lub zog tensile, nrog rau kev ua tau zoo heev, tshwj xeeb tshaj yog nyob rau qhov kub thiab txias. Nws kuj muaj qhov zoo weldability thiab tsis kam rau cov pob txha tawg, ua rau nws haum rau siab - muaj cov ntawv thov.
Hauv kev lag luam dab tsi yog A537 Chav Kawm 3 nquag siv?
A537 Chav Kawm 3 yog siv dav hauv cov roj thiab roj, petrochemical, tsim hluav taws xob, thiab kev lag luam tshuaj lom neeg. Cov ntawv thov muaj xws li cov hlab ntsha siab, cov tso tsheb hlau luam, cov khoom sib cais, cov reactors, boilers, thiab ntau yam khoom siv.
Qhov kub ntau npaum li cas yog A537 Chav Kawm 3 haum rau?
Nws yog qhov tsim nyog rau kev pabcuam nruab nrab mus rau qhov kub thiab txias. Nws cov qauv Q&T muab nws zoo toughness ntawm qhov kub qis dua piv rau cov pa roj carbon zoo li qub, ua rau nws muaj txiaj ntsig zoo rau cov huab cua txias lossis cov cuab yeej ua haujlwm qis.
Dab tsi yog cov ntawv thov ntawm A537 Chav Kawm 3?
A:Cov kev siv feem ntau suav nrog cov hlab ntsha siab, cov tso tsheb hlau luam, cov khoom siv hluav taws xob, cov boilers, thiab cov khoom siv hauv cov tshuaj, petrochemical, roj ua, thiab kev lag luam hluav taws xob. Nws feem ntau yog siv rau cov cuab yeej tuav cov roj liquefied thiab lwm cov xov xwm uas tsis tshua muaj kub.
Lub weldability ntawm A537 Class 3 yog dab tsi?
A537 Chav Kawm 3 muaj qhov zoo weldability, tab sis vim nws yog quenched thiab tempered steel, preheating thiab tswj cov cua sov input thaum vuam yog tsim nyog kom tsis txhob softening nyob rau hauv lub tshav kub-cuam tshuam cheeb tsam (HAZ) thiab tiv thaiv tawg. Cov txheej txheem vuam xws li SMAW, GMAW, FCAW, thiab SAW tuaj yeem siv tau.
Puas yog A537 Class 3 xav tau kev kho cua sov?
Yog lawm, A537 Chav Kawm 3 yog muab rau hauv qhov mob quenched thiab tempered (Q&T). Kev kho cua sov tom qab vuam (PWHT) tej zaum yuav xav tau nyob ntawm qhov tuab, cov khoom siv toughness, thiab tsim cov cai tswj kom txo cov kev ntxhov siab thiab txhim kho kev ua haujlwm.
A537 Class 3 piv rau A537 Class 1 thiab Class 2 li cas?
A537 Chav Kawm 3 muaj lub zog siab tshaj plaws ntawm peb chav kawm. Class 1 yog normalized, Class 2 normalized thiab tempered, thiab Class 3 yog quenched thiab tempered. Chav Kawm 3 muaj kev sib xyaw ua ke zoo tshaj plaws ntawm lub zog thiab lub zog rau kev thov ntau dua.
A537 Chav Kawm 3 piv rau A516 Qib 70 li cas?
A537 Chav Kawm 3 muaj lub zog ntau dua li A516 Qib 70 thiab muab cov tawv tawv zoo dua ntawm qhov kub thiab txias vim nws qhov kev kho cua sov Q&T. A516 Qib 70 yog cov pa roj carbon zoo li qub, thaum A537 Class 3 yog lub zog ntau dua Q&T steel, ua rau nws tsim nyog rau qhov kub thiab txias ntau dua.
Dab tsi yog qhov corrosion kuj ntawm A537 Class 3?
Nws muaj nruab nrab corrosion kuj, feem ntau ntawm carbon-manganese steels. Nws yog tsim rau cov kev pab cuam uas tsis yog-corrosive los yog me ntsis corrosive. Nyob rau hauv ib puag ncig nruj, cov txheej txheem tiv thaiv, cov ntaub hauv ob sab phlu, lossis cov khoom siv ntau dua yog pom zoo.