ASTM A387 Qib 12 Chav Kawm 1
ASTM A387 qib 12 chav kawm 1 yog ASTM A387 qib 12 steel nyob rau hauv cov mob annealed. Cov kab hluav taws xob ntawm cov khoom siv daim npav hauv qab no piv rau ASTM A387 qib 12 chav kawm 1 rau: wrought alloy steels hauv tib qeb (sab saum toj), tag nrho cov hlau alloys (nruab nrab), thiab tag nrho cov ntaub ntawv (hauv qab). Ib daim ntawv qhia tag nrho txhais tau tias qhov no yog tus nqi siab tshaj plaws hauv cov teeb meem cuam tshuam. Ib nrab- puv bar txhais tau tias nws yog 50% ntawm qhov siab tshaj, thiab lwm yam.
ASTM A387 Gr 12 CL 1 yog ib qho chromium molybdenum alloy steel phaj tsim feem ntau rau welded boiler thiab cov hlab ntsha siab tsim los ntawm kev pabcuam kub. Cov ntsiab lus Cr 1.00% thiab Mo cov ntsiab lus 0.5%.
Gnee yog ib tug neeg muab kev ntseeg siab thiab stockist ntawm AS ME SA387 Qib 12 Chav Kawm 1 Phaj, muab siab-cov hlau alloys hlau zoo rau kev lag luam thoob ntiaj teb, Peb cov phaj tau paub txog lawv qhov kev ua tau zoo nyob rau hauv siab -temperatureenvironments, ua rau lawv haum rau cov hlab ntsha siab, boilers, thiab kub exchangers. Nrog lub zog zoo dua, ua haujlwm ntev, thiab tiv thaiv corrosion, cov phiaj no zoo tagnrho rau ob qho tib si nruab nrab thiab siab -kev siv kub.
ASME SA387 Qib 12 Chav Kawm 1 yog chromium-molybdenum alloy steel phaj tsim los siv rau hauv cov hlab ntsha thiab cov boilers ua haujlwm hauv qhov kub siab. Cov khoom siv no sib txuas cov kev tiv thaiv corrosion ntawm chromium nrog lub zog siab thiab kub tsis kam ntawm molybdenum. Nws belongs rau tsev neeg ntawm cov hlau alloy uas tau teev tseg raws li ASME SA387 thiab ASTM A387 tus qauv.
Cov yam ntxwv tseem ceeb ntawm ASME SA387 Qib 12 Alloy Steel Phaj
. Siab -Tsub Resistance: tuaj yeem tiv taus qhov kub txog li 6o0C lossis ntau dua yam tsis muaj zog.
.Corrosion Resistance: Chromium cov ntsiab lus muaj kev tiv thaiv zoo heev rau oxidation thiab corrosion.
. Toughness thiab Ductility: Muab durability thiab tsis kam tawg thaum muaj kev ntxhov siab.
. Weldability: Cov phaj no tuaj yeem welded siv cov txheej txheem yam tsis muaj preheating feem ntau.
Versatility: Tsim nyog rau cov hlab ntsha siab, kev siv cov qauv, thiab cov khoom siv ua haujlwm nyob rau hauv siab thermal
tej yam kev mob.
Cov phaj no feem ntau siv hauv kev lag luam xws li:
Petrochemical
* Kev tsim hluav taws xob
Roj & roj
.Chemical processing
Thaum tshav kub kub exchangers thiab reactors
Sib npaug
| BS | EN | ASTM/ASME | DIN |
| 620 B | 13 ZPO 45 | A387-12-1 | 13 ZPO 44 |
Chromium & Molybdenum cov ntsiab lus
| Lub npe | Nominal Chromium Cov ntsiab lus (%) |
Nominal Molybdenum Cov ntsiab lus (%) |
| A387 Qib 12 | 1.00% | 0.50% |
Tensile Requirements rau ASTM A387 Qib 12 Alloy Steel Phaj Chav Kawm 1 Phaj
| Lub npe: | Yuav tsum tau: | Qib 12 |
| A387 Qib 12 | Tensile zog, ksi [MPA] | 65 txog 85 [450 rau 585] |
| Yield zog, min, ksi [MPa] / (0.2% offset) | 40 [275] | |
| Elongation hauv 8 nti. [200mm], min % | 19 | |
| Elongation hauv 2 nti [50mm], min, % | 22 | |
| Txo thaj tsam, min% | ––– |
Cov Khoom Siv Tshuaj Rau ASTM A387 Qib 12 Alloy Steel Phaj
| Element | Chemical Composition (%) | |
| ASTM A387 Qib 12 | ||
| Cov pa roj carbon: | Kev Ntsuas Kub: | 0.05 - 0.17 |
| Product Analysis: | 0.04 - 0.17 | |
| Manganese: | Kev Ntsuas Kub: | 0.40 - 0.65 |
| Product Analysis: | 0.35 - 0.73 | |
| Phosphorus: | Kev Ntsuas Kub: | 0.035 |
| Product Analysis: | 0.035 | |
| Sulfur (max): | Kev Ntsuas Kub: | 0.035 |
| Product Analysis: | 0.035 | |
| Silicon: | Kev Ntsuas Kub: | 0.15 - 0.40 |
| Product Analysis: | 0.13 - 0.45 | |
| Chromium: | Kev Ntsuas Kub: | 0.80 - 1.15 |
| Product Analysis: | 0.74 - 1.21 | |
| Molybdenum: | Kev Ntsuas Kub: | 0.45 - 0.60 |
| Product Analysis: | 0.40 - 0.65 |
1 ASTM A387 Qib 22 Chav Kawm 1 sib npaug li cas?
ASTM A387 Qib 22 Chav Kawm 1 yog sib npaug rauASME SA387 Qib 22 Chav Kawm 1, nrog kev sib npaug thoob ntiaj tebEN 10 CrMo9-10, DIN 10 CrMo9-10, thiabBS 622-515B, txhua tus xa mus rau chromium-molybdenum alloy steel rau siab -kub siab cov hlab ntsha, txawv ntawm Chav Kawm 2 feem ntau hauv cov khoom siv dag zog.
2 Dab tsi kub yog ASTM A387 Qib 22 Chav Kawm 1 sib npaug?
ASTM A387 Qib 22 Chav Kawm 1 yog chromium -molybdenum alloy hlau rau siab kub, feem ntau siv mus txog ib ncig600℃(1112℃F)nyob rau hauv cov hlab ntsha siab, nrog qhov tsawg kawg nkaus tempering kub yuav tsum tau ntawm1250 ° F (675 ° F)rau kev kho cua sov, tab sis nws qhov tshwj xeeb daim ntawv thov kub ntau nyob ntawm cov kev pab cuam, feem ntau ua tau zoo los ntawm nruab nrab mus rau qhov kub thiab txias.
3 Puas yog ASTM A387 Qib 22 Chav Kawm 1 carbon steel?
Tsis yog, ASTM A387 Qib 22 Chav Kawm 1 tsis yog carbon hlau; nws yog achromium{0}}molybdenum alloy hlau(Cr-Mo alloy) tsim los rau siab- cov hlab ntsha kub siab, muaj cov chromium tshwj xeeb (kwv yees li 2.25%) thiab molybdenum (kwv yees li 1%) rau kev txhim kho lub zog, ductility, thiab corrosion kuj, tsis zoo li cov pa roj carbon steel uas tsuas yog siv rau cov hlau thiab carbon.
4 Puas yog ASTM A387 Qib 12 Qib 1 kev kub ceev hlau?
Tsis yog, ASTM A387 Qib 12 Chav Kawm 1 yogtsis yogsiab- steel ceev (HSS); nws yog chromium-molybdenum alloy steel rau cov hlab ntsha siab thiab boilers ntawm qhov kub thiab txias, muab kev tiv thaiv corrosion / oxidation zoo thiab siab -temp lub zog, thaum HSS yog rau cov cuab yeej txiav. "Qib 12" yog hais txog nws cov muaj pes tsawg leeg (nyob ib ncig ntawm 1% Cr, 0.5% Mo), thiab "Class 1" qhia cov qib tensile lub zog tshwj xeeb, txawv ntawm HSS uas muaj cov tungsten / molybdenum siab rau hardness ntawm high tshav kub.
5 Dab tsi yog qhov muaj pes tsawg leeg ntawm ASTM A387 Qib 12 Chav Kawm 1?
ASTM A387 Qib 12 Chav Kawm 1 yog chromium-molybdenum (Cr-Mo) alloy steel rau siab kub siab cov hlab ntsha, tus cwj pwm los ntawm ~ 1% Chromium (Cr) thiab ~ 0.5% Molybdenum (Mo) cov ntsiab lus, nrog cov qauv txheem xws li Carbon (C), Manganese (Mn), zoo corrosion (Mn), Suhorus (Silicon) kuj thiab siab -temp lub zog rau roj, roj, thiab refining daim ntaub ntawv. Qhov kev xaiv 'Class 1' yog hais txog cov kev xav tau ntawm lub zog tensile, txawv ntawm Chav Kawm 2, tab sis cov tshuaj muaj pes tsawg leeg tseem zoo ib yam ntawm cov chav kawm rau Qib 12.
Tau txais cov lus muaj nuj nqis rau ASTM A387 Qib 22 Chav Kawm 1, Hu rau GNEE Steel
