SA 204 Qib Byog hais txog molybdenum{0}} alloy steel phaj tus qauv (ASTM A204 / ASME SA-204) rau siab -kub siab cov hlab ntsha thiab boilers, muab lub zog zoo, weldability, thiab elevated- qhov kub thiab txias kev ua tau zoo, yam ntxwv los ntawm nws cov pa roj carbon-molybdenum muaj pes tsawg leeg (C-0. 440-590 MPa) thiab yield zog (nyob ib ncig ntawm 220-275 MPa).
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SA204 Qib BTshuaj muaj pes tsawg leeg |
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Qib |
Cov ntsiab lus Max (%) |
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C |
Si |
Mn |
P |
S |
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SA204 Qib B |
0.20-0.27 |
0.13-0.45 |
0.90-0.98 |
0.035 |
0.035 |
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Mechanical Property ntawm A203 Qib b steel phaj |
SA204 Qib B |
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Tensile zog, kis [MPa] |
70-90 [485-620] |
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Yield zog, min, kis [MPa] |
40 [275 |
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Elongation hauv 8 nti [200 mm], min, % |
17 |
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Elongation hauv 2 nti [50 mm], min, % |
21 |
Cov ntawv thov tseem ceeb:
Cov Khoom Siv Hluav Taws Xob & Boilers:
Nws siv thawj, suav nrog boilers, kheej kheej tanks, thiab cia tank rau roj, roj, thiab thee.
Roj & Roj Kev Lag Luam:
Siv nyob rau hauv pipelines rau LNG thiab roj tsheb thauj mus los, reactors, thiab cov khoom siv.
Fais fab nroj tsuag:
Fabrication ntawm cov khoom xws li turbine volutes thiab siab - cov kav dej siab.
Kev ua tshuaj lom neeg:
Haum rau cov cuab yeej tuav cov khoom corrosive ntawm qhov kub thiab txias.
Shipbuilding:
Yuav siv tau rau xeb-dawb nkoj hulls thiab submarines vim nws txhim kho corrosion kuj los ntawm molybdenum.
General Fabrication:
Kuj pom siv hauv ducting, piping, thiab kev cai fabrication rau automotive thiab aerospace industries uas yuav tsum tau muaj zog.
Tiv tauj peb ntawm beam@gneesteelgroup.com. rau pricing, technical support, los yog customized daws. Peb yeej ib txwm npaj los txhawb koj qhov project.
SA 204 GR B sib npaug li cas?
ASME SA 204 GR. B Mo Alloy Pressure Vessel steel phaj Nqe lus piav qhia: ASMEA204 Qib B yog siv rau hauv fabricators pab kev lag luam, tshwj xeeb tshaj yog nyob rau hauv cov roj, roj thiab tshuaj lom neeg kev lag luam. Qhov sib npaug steel qib yog Fabkis 15 CD 4.05.
Dab tsi yog 204 qib stainless hlau?
Qib 204 yog qhov tsim nyog weldable alloy. Txawm li cas los xij, vim yog cov ntsiab lus siab dua ntawm cov pa roj carbon, piv txwv li . 0.10%, cov hlau tsis muaj steel no zoo li nkag mus rau intergranular corrosion. Tshwj xeeb, cov alloy yog cuam tshuam rau hauv tshav kub cuam tshuam cheeb tsam los yog HAZ, qhov twg thickness ntawm cov khoom ntau tshaj 6 hli.
Qib B steel yog dab tsi?
Qib B steel, lossis 9260 steel, yog qib siab - silicon alloy nrog kwv yees li 0.60% carbon, ua rau nws lub caij nplooj ntoos hlav hlau.
Qhov twg zoo dua, 204 lossis 304 stainless hlau?
Qib 204 thiab 304 yog ob qho tib si austenitic stainless hlau thiab tsis yog - sib nqus hauv qhov xwm txheej. Qib 304 muaj kev tiv thaiv corrosion zoo heev thaum raug dej ntsev, piv rau qib 204. Nyob rau hauv qhov kev ntsuam xyuas lub txim, qib 204 ua daj- liab sparks, whereas qib 304 yuav tsim ntau reddish sparks nrog ceev ceev.
Stainless hlau B txhais li cas?
Cov yam ntxwv B stainless hlau yog qhov hloov pauv ntawm 304 thiab kuj tau muab tshem tawm. Qhov sib txawv heev, txawm li cas los xij, hom 304 mob B yog qhov muaj zog dua thiab tsawg dua. Qhov no yog ua tiav los ntawm kev ua haujlwm txias.
Puas yog 204 stainless hlau zoo?
Austenitic stainless hlau AISI 204Cu (1.4597, X8CrMnCuNB17-8-3) muajzoo corrosion kuj, uas yog qhov tseem ceeb piv rau stainless hlau 1.4301 (AISI 304). Cov khoom yog resistant rau intergranular corrosion, weathering thiab kev nyuaj siab corrosion cracking.
SA 204 Qib B yog dab tsi?
SA 204 Qib B yog lub siab lub nkoj steel phaj teev raws li ASME SA 204 tus qauv. Nws yog molybdenum- alloyed steel tsim los siv rau hauv welded siab hlab ntsha thiab boiler Cheebtsam uas ua haujlwm ntawm qhov kub siab.
Lub hom phiaj ntawm kev ntxiv molybdenum rau SA 204 Qib B yog dab tsi?
Molybdenum tau ntxiv los txhim kho cov hlau lub zog thiab nkag mus rau ntawm qhov kub siab dua. Nws kuj tseem txhim kho hardenability thiab muab kev tiv thaiv zoo rau thermal qaug zog, ua cov khoom tsim nyog rau kev pab cuam nyob rau hauv qhov kub thiab txias.
Dab tsi yog cov khoom tseem ceeb ntawm SA 204 Qib B?
SA 204 Qib B muaj qhov siab tensile thiab tawm los lub zog, zoo toughness, thiab zoo heev creep kuj nyob rau hauv siab kub. Nws kuj muaj qhov zoo weldability, tso cai rau kev tsim cov hlab ntsha loj thiab nyuaj.