Cov khoom siv ASTM A662 Qib C yog dab tsi?
ASTM A662 Qib Cyog lub siab - zog, carbon-manganese- silicon steel phaj siv rau welded siab hlab ntsha thiab boilers, tshwj xeeb tshaj yog haum rau nruab nrab thiab qis kub kev pab cuam. Nws muaj kev txhim kho qhov tsis sib haum xeeb thiab yog tsim los rau kev siv hauv kev lag luam roj thiab roj uas xav tau kev ua haujlwm zoo dua.
ASTM A662 Qib C yog qhov sib txawv ntawm lub zog siab tshaj plaws nyob rau hauv ASTM A662 specification, tsim rau fabrication ntawm fusion-welded siab hlab ntsha ua hauj lwm nyob rau hauv nruab nrab mus rau qis dua -kub ib puag ncig. Nws yog cov pa roj carbon monoxide tag nrho-manganese-silicon steel uas tsim los siv zoo-grain xyaum ua kom muaj kev sib tw zoo dua thiab kev ntseeg tau ntawm cov qauv. Tsis zoo li Qib A thiab B, Qib C tau tsim tshwj xeeb los muab qhov siab tshaj qhov ua tau zoo ntawm 43 ksi (295 MPa), ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov kws ua haujlwm uas xav tau kom siab tshaj qhov ntsuas siab thaum tswj hwm qhov zoo tshaj plaws qis - qhov kub thiab txias yam ntxwv ntawm A662 tsev neeg.
Cov yam ntxwv tseem ceeb
Peak Tensile Performance:Muab qhov tensile ntau tshaj plaws nyob rau hauv series (70–90 ksi) rau hnyav -lub luag hauj lwm tswj.
Zoo- Cov qauv nplej:Microstructure yog refined los txhim kho cov khoom muaj peev xwm ntes cov kab nrib pleb hauv kev pabcuam txias.
Superior Hardenability:Ntxiv manganese cov ntsiab lus ua kom muaj zog zoo ib yam thoob plaws lub phaj tus ntoo khaub lig-section.
Siab zog - rau - Qhov hnyav piv:Tso cai rau cov phab ntsa nyias nyias piv rau qis dua - qib carbon steels.
Qib Qib
ASTM A662 Txuj:Txheem rau C-Mn-Si steel daim hlau rau qis-kub siab cov hlab ntsha.
Qib C:Lub zog siab tshaj plaws hauv chav kawm tshwj xeeb.
Kev sib piv nrog ASTM A662 Qib B
Yield Threshold:Qib C muab qhov tsawg kawg nkaus tawm los ntawm43 ksg, hos Qib B muaj35 ksg.
Tensile Pem Teb:Qib C pib ntawm qhov tsawg kawg nkaus tensile ntawm70 ksg, thaum Qib B pib ntawm65 ksg.
Ductility Trade-tawm:Qib C muaj qhov tsawg kawg nkaus elongation yuav tsum tau me ntsis vim nws hardness ntau dua.
Cov ntawv thov siv
Siab -Lub Hwj Chim LPG:Loj - cov tso tsheb hlau luam loj rau cov roj liquefied hauv huab cua txias.
Ammonia Cia:Pressurized ntim rau anhydrous ammonia hauv kev lag luam.
Compressed Gas Thauj Khoom:Siv nyob rau hauv railcars los yog tsheb tank rau pressurized roj logistics.
Dab tsi yog cov ntawv tshaj tawm -weld kev kho cua sov rau ASTM A662 Qib C?
Tom qab-weld heat treatment (PWHT) tej zaum yuav xav tau rau ASTM A662 Qib C txhawm rau txo qis kev ntxhov siab los ntawm vuam thiab kho lossis txhim kho cov khoom siv kho tshuab. PWHT feem ntau suav nrog cua sov qhov welded rau ib qho kub thiab tuav nws nyob ntawd rau ib lub sij hawm ua ntej maj mam txias nws. Cov txheej txheem no pab tiv thaiv cov kab nrib pleb, txo hardness, thiab xyuas kom meej tias cov khoom tuav nws cov toughness thiab lub zog.
ASTM A662 Qib C puas tuaj yeem siv rau cov qauv sab nrauv?
Thaum ASTM A662 Qib C tuaj yeem siv rau hauv cov qauv hauv ntug dej hiav txwv, nws feem ntau pom nyob rau hauv cov hlab ntsha thiab cov boilers es tsis yog nyob rau hauv cov qauv sab nraud ntawm ntug dej hiav txwv platforms. Cov hlau feem ntau yog siv nyob rau hauv qhov chaw muaj kev kub ntxhov thiab kub. Rau cov ntawv thov offshore, kev txiav txim siab ntxiv rau kev tiv thaiv corrosion thiab qaug zog yuav xav tau lwm cov ntaub ntawv lossis txheej txheej.
ASTM A662 Qib C yog dab tsi?
ASTM A662 Qib C feem ntau pom muaj nyob rau hauv siab - cov tshuab siab xws li cov hlab ntsha siab, boilers, kub exchangers, thiab reactors. Nws yog dav siv nyob rau hauv cov roj thiab roj, hluav taws xob, thiab tshuaj industries qhov twg ob qho tib si kub thiab siab siab koom tes nyob rau hauv lub lag luam ntawm cov khoom. Nws muaj peev xwm tiv taus cov xwm txheej hnyav ua rau nws tseem ceeb rau kev tsim kho vaj tse tseem ceeb.
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ASTMA662 Qib CTshuaj muaj pes tsawg leeg |
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Qib |
Cov ntsiab lus Max (%) |
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C |
Si |
Mn |
P |
S |
Al |
N |
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A662 Qib C |
0,24 |
0.13-0.55 |
0.92-1.72 |
0,035 |
0,035 |
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Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
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Qib |
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ASTM A662 Qib CMechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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A662 Qib C |
mm |
Min Mpa |
Mpa |
Tsawg% |
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6-50 |
295 |
480-620 |
22% |
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50-200 |
295 |
480-620 |
18% |
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1 ASTM A662 Qib C yog dab tsi?
ASTM A662 Qib C yog siab - lub zog carbon steel siv rau cov hlab ntsha siab thiab boilers. Nws yog tsim tshwj xeeb kom tiv taus siab -siab thiab siab- qhov kub thiab txias. Feem ntau pom muaj nyob rau hauv kev lag luam xws li kev tsim hluav taws xob, kev ua tshuaj lom neeg, thiab roj & roj, nws muab lub zog tensile zoo, cuam tshuam toughness, thiab weldability, ua rau nws tsim nyog rau cov kev siv tseem ceeb xws li cov hluav taws kub exchangers, reactors, thiab siab- bearing Cheebtsam.
2 Dab tsi yog cov txheej txheem kev tsim khoom rau ASTM A662 Qib C?
ASTM A662 Qib C tuaj yeem tsim los siv ntau txoj hauv kev xws li vuam, txiav, thiab sib sau. Cov khoom siv yog ntau yam, thiab cov khoom siv tuaj yeem ua rau hauv daim hlau, raj, thiab lwm yam ntaub ntawv nyob ntawm daim ntawv thov. Vim nws txoj kev weldability, nws feem ntau koom nrog siv fusion vuam txoj kev, txawm tias yuav tsum tau saib xyuas kom siv cov txheej txheem kom zoo los tiv thaiv qhov tsis xws luag thiab khaws cov khoom siv.
3 Cov tshuaj muaj pes tsawg leeg ntawm ASTM A662 Qib C yog dab tsi?
Cov tshuaj muaj pes tsawg leeg ntawm ASTM A662 Qib C suav nrog carbon (C) cov ntsiab lus ntawm 0.18% thiab 0.22%, manganese (Mn) cov ntsiab lus ntawm 0.70% thiab 1.30%, thiab silicon (Si) cov ntsiab lus ntawm 0.15% thiab 0.40%. Cov hlau tseem muaj me me ntawm phosphorus (P), sulfur (S), thiab tooj liab (Cu) los txhim kho lub zog, weldability, thiab corrosion kuj, ua kom haum rau siab - siab siv hauv kev lag luam tseem ceeb.
4 Cov kev lag luam twg siv ASTM A662 Qib C?
ASTM A662 Qib C feem ntau yog siv rau hauv kev lag luam uas yuav tsum muaj lub zog siab thiab ua haujlwm ntev nyob rau hauv siab - siab thiab siab - qhov kub thiab txias. Cov no suav nrog kev tsim hluav taws xob, roj & roj, kev ua tshuaj lom neeg, thiab cov chaw kho dej. Nws yog tshwj xeeb tshaj yog nyob rau hauv kev tsim kho cov hlab ntsha, boilers, tshav kub exchangers, thiab reactors, qhov twg cov khoom tsis ua hauj lwm yuav ua rau muaj kev puas tsuaj loj.
5 Lub zog ntawm ASTM A662 Qib C yog dab tsi?
Lub zog tawm ntawm ASTM A662 Qib C yog feem ntau nyob ib ncig ntawm 290 MPa. Qib ntawm lub zog no ua rau nws tsim nyog rau cov ntawv thov kom muaj kev ncaj ncees nyob rau hauv kev kub siab, xws li cov hlab ntsha siab thiab cov khoom siv boiler. Cov khoom siv tuaj yeem tiv taus qhov kev ntxhov siab tseem ceeb yam tsis muaj kev hloov pauv mus tas li, kom ntseeg tau tias kev ua tau zoo hauv kev xav tau kev lag luam ib puag ncig, suav nrog kev tsim hluav taws xob thiab kev lag luam tshuaj lom neeg.
6 Lub zog tensile ntawm ASTM A662 Qib C yog dab tsi?
Lub zog tensile ntawm ASTM A662 Qib C yog li ntawm 485 MPa txog 620 MPa, nyob ntawm seb cov khoom tuab thiab kev kho cua sov. Lub zog tensile siab no ua kom ntseeg tau tias cov khoom siv tuaj yeem tiv taus lub zog hauv cov hlab ntsha siab thiab siab - qhov kub thiab txias ib puag ncig yam tsis ua tsis tiav. Nws yog qhov zoo tshaj plaws rau kev siv hauv kev lag luam uas xav tau cov hlau muaj peev xwm tiv taus huab cua siab thiab kev ntxhov siab.
7 Dab tsi yog qhov tseem ceeb ntawm "C" hauv ASTM A662 Qib C?
Qhov "C" hauv ASTM A662 Qib C qhia txog qib peb hauv ASTM A662 specification, qhia tias muaj zog dua thiab tawv dua hlau piv rau Qib A thiab B. Cov qib no yog tsim los rau cov kev xav tau ntau dua hauv kev lag luam, muab kev ua haujlwm zoo dua nyob rau hauv siab thiab kub. Qhov kev xaiv "C" pab kom paub qhov txawv ntawm cov khoom tsim nyog rau cov kev siv tseem ceeb hauv cov hlab ntsha thiab cov boilers.
Yog xav paub ntxiv txog GNEE cov khoom siv hlau, tiv tauj peb ntawm info@gneesteels.com. Peb tos ntsoov yuav ua haujlwm nrog koj.
