Dab tsi yog qhov ceev ntawm ASTM A662 Qib C?

Dab tsi yog qhov ceev ntawm ASTM A662 Qib C?

Qhov ntom ntawmASTM A662 Qib C yog kwv yees li 7.80--7.85 g/cm3 (0.282--0.284 lb/in3), uas yog ib qho zoo rau carbon-manganese siab nkoj steel daim hlau. Qib no yog tsim los rau nruab nrab mus rau qhov kub thiab txias kev pab cuam, yuav tsum tau zoo ntswj toughness, tab sis sib koom ib tug ceev zoo li cov qauv carbon steel.

ASTM A662 Qib C yog siab -lub zog, qis-kub carbon steel phaj tsim los rau kev pabcuam siab. Raws li "tua" steel nrog nplua -grain xyaum, nws muaj qhov tshwj xeeb tiv thaiv rau lub nkig - mus rau - hloov pauv ntawm qhov kub thiab txias, qhov tshwj xeeb uas yuav tsum tau ua rau cov nkoj ua haujlwm hauv Arctic tej yam kev mob lossis tuav cov xov xwm hauv tub yees. Qib C muab kev hloov pauv tseem ceeb hauv cov txiaj ntsig muaj zog tshaj Qib A thiab B, ua rau nws yog qhov kev xaiv zoo rau kev lag luam rau loj - cov haujlwm loj uas txo tag nrho cov hlau tonnage los ntawm kev tsim qauv siab dua tuaj yeem ua rau kev txuag nyiaj ntau hauv cov khoom siv thiab kev thauj mus los.

Cov yam ntxwv tseem ceeb

Kev ua raws cai:Ua tau raws li ASME SA662 Qib C cov cai rau kev ua haujlwm boiler code.

Muaj:Nquag khaws cia los ntawm cov chaw pabcuam steel loj rau kev kho nkoj sai lossis kev tsim kho.

Kev ntseeg tau:Cov ntaub ntawv ntev ntev ntawm kev ua tau zoo nyob rau hauv siab - muaj cov pa roj.

Economic tus nqi:Muab lub zog siab yam tsis tas yuav tsum tau kim nickel alloying.

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 A537 Chav Kawm 1

Kev kho cua sov:A537 Chav Kawm 1yuav tsumyuav normalized; A662 Qib C tej zaum yuav zoo li - dov los yog normalized.

Lub zog sib txawv:A537 Chav Kawm 1 muaj cov txiaj ntsig siab dua (50 ksg) piv rau A662 Qib C (43 ksg).

Tshuaj Tsim:A537 muaj ntau dua silicon thiab manganese txwv los txhawb nws lub zog ntau dua.

Cov ntawv thov siv

Compressed Gas Thauj Khoom:Siv nyob rau hauv railcars los yog tsheb tank rau pressurized roj logistics.

Industrial Boiler Drums:Siab -lub zog chav sau cov khoom siv rau kev tsim hluav taws xob.

Offshore Support Vessels:Tank thiab siab tshuab nyob rau hauv maritime platforms.

Dab tsi yog qhov yuav tsum tau kho cua sov rau ASTM A662 Qib C?
ASTM A662 Qib C feem ntau yog cua sov- kho kom ua tau raws li qhov xav tau cov khoom siv tshuab. Cov kev kho cua sov uas muaj xws li normalizing thiab stress-reliving. Cov txheej txheem no yog siv los txhim kho toughness, txo hardness, thiab ua kom lub zog sib xws. Tom qab-weld heat treatment (PWHT) kuj tseem yuav tsum tau los txo cov kev ntxhov siab hauv cov khoom siv welded thiab rov ua kom cov khoom tawv thiab lub zog tom qab vuam.

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.

Dab tsi yog cov yam ntxwv tseem ceeb ntawm ASTM A662 Qib C?
ASTM A662 Qib C nthuav tawm lub zog tensile siab (485-620 MPa), weldability zoo heev, thiab tsis kam ua kom tawg ntawm qhov kub thiab txias. Nws kuj qhia tau hais tias zoo toughness thiab muaj peev xwm tiv taus siab heev thiab kub tej yam kev mob. Cov khoom no ua rau nws zoo tagnrho rau siv nyob rau hauv siab - ib puag ncig kev ntxhov siab xws li cov hlab ntsha thiab cov boilers. Tsis tas li ntawd, nws muaj kev tiv thaiv zoo tshaj rau kev tawg hauv kev ntxhov siab piv rau lwm qib hauv ASTM A662 series.

ASTM A662 Qib C Chemical Composition thiab Mechanical Property

1 ASTM A662 Qib C yog dab tsi?
ASTM A662 Qib C yog siab - cov pa roj 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 lub zog tsim hluav taws xob, kev ua tshuaj lom neeg, thiab roj & roj, nws muab lub zog tensile zoo heev, cuam tshuam toughness, thiab weldability, ua rau nws tsim nyog rau cov kev siv tseem ceeb xws li kub exchangers, reactors, thiab siab- bearing Cheebtsam.

2 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.

3 Dab tsi yog lub zog tensile ntawm ASTM A662 Qib C?
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 yam tsis muaj kev ua tsis tiav. Nws yog qhov zoo tagnrho rau kev siv hauv kev lag luam uas xav tau cov hlau muaj peev xwm tiv taus huab cua siab thiab kev ntxhov siab.

4 Can ASTM A662 Qib C tuaj yeem welded?
Yog lawm, ASTM A662 Qib C yog weldable, tab sis cov txheej txheem vuam tsim nyog yuav tsum tau ua haujlwm kom tsis txhob muaj qhov tsis xws luag xws li tawg. Preheating tej zaum yuav xav tau rau cov ntu tuab los tiv thaiv kev ntxhov siab thaum lub sijhawm vuam. Post-weld heat treatment (PWHT) feem ntau pom zoo kom txo qis kev ntxhov siab, txhim kho lub zog, thiab kho cov khoom siv kho tshuab, tshwj xeeb tshaj yog nyob rau hauv cov ntu tuab uas ua rau muaj kev ntxhov siab seem.

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 Dab tsi yog qhov cuam tshuam toughness ntawm ASTM A662 Qib C?
Qhov cuam tshuam toughness ntawm ASTM A662 Qib C yog feem ntau ntsuas siv Charpy V-kev ntsuas ntsuas. Nws ua tau raws li qhov yuav tsum tau ua yam tsawg kawg nkaus ntawm 27 J ntawm -20 degree, kom ntseeg tau tias nws tuaj yeem ua rau muaj kev cuam tshuam sai lossis poob siab ntawm qhov kub qis. Qib ntawm qhov toughness no yog qhov tseem ceeb rau kev tswj xyuas cov qauv kev ntseeg siab hauv cov hlab ntsha siab thiab cov boilers uas yuav raug cuam tshuam rau qhov kub thiab txias thiab kev ntxhov siab.

7 Dab tsi yog cov ntawv thov ntawm ASTM A662 Qib C?
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.

Hu rau tam sim no

Yog tias koj muaj qhov project xav tau rauASTM A662 Qib C, peb txais tos koj nug. GNEE tuav cov khoom lag luam loj uas feem ntau siv cov qib siab zog steel rau koj xaiv.Rau cov ncauj lus kom ntxaws cov khoom siv, tshuaj muaj pes tsawg leeg, thiab cov ntaub ntawv kev, nrog rau cov qauv dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw, ruaj khov zoo, thiab kev pabcuam tshaj lij. Email: info@gneesteels.com