Tus lej P ntawm ASME SA387 Qib 22 Chav Kawm 1 yog dab tsi?
ASME SA387 Qib 22, uas muaj ~ 2.25% Chromium thiab ~ 1% Molybdenum, poob qisP-Number 5Raws li ASME BPVC Tshooj IX cov lus qhia, muab nws nrog rau lwm yam qis - alloy steels rau vuam tsim nyog. Thaum qee lub rooj qhia Qib 22 muaj qhov zoo sib xws rau P5, qhov tshwj xeeb P-cov lej ua haujlwm pab pawg cov chrome-moly steels ua ke rau vuam.
Alloy steel, tshwj xeeb tshaj yog siab-qib steel, yog ib qho khoom siv thiab tseem ceeb hauv cov khoom lag luam. Pawg steel no nthuav tawm ntau hom kev qhia tshwj xeeb thiab cov qauv, txhua qhov tsim nyog rau cov ntawv thov tshwj xeeb. Tshwj xeeb tshaj yog, cov hlau alloy no feem ntau fashioned rau hauv cov khoom tiav nyob rau hauv daim ntawv ntawm daim hlau, ib tug dav siv hom. Ntawm cov qib sib txawv ntawm cov hlau alloy, ALLOY STEEL SA 387 GR. 22 CL. 1 / 2 daim hlau tuav qhov tseem ceeb vim lawv cov khoom sib txawv, ua rau lawv muaj ntau yam.
ASME SA387 Qib 22 Chav Kawm 1 yog chromium-molybdenum alloy steel phaj siv rau boilers thiab siab hlab ntsha nyob rau hauv siab- kub kev pab cuam, featuring kwv yees li 2.25% Chromium (Cr) thiab 1% Molybdenum (Mo) rau kev txhim kho lub zog thiab corrosion kuj, nrog rau chav kawm 1 siab tshaj qhov kev ua tau zoo thiab kev ua haujlwm qis dua. Cov chaw kub kub (txog li 600 degree) rau kev lag luam xws li roj, roj, thiab petrochemicals.
Cov yam ntxwv tseem ceeb:
Khoom siv:Alloy Steel Phaj.
Txheem:ASME SA387 (ASTM A387).
Qib:22 (qhia txog ~ 2.25% Cr, ~ 1% Mo).
Chav kawm:1 (qis zog, zoo formability / weldability dua Class 2).
Daim ntawv thov:Welded boilers, siab hlab ntsha, siab - kub kev pab cuam.
Khoom:Zoo heev tiv thaiv oxidation, corrosion, thiab kub kub.
Chemical Composition (Hom rau Qib 22):
Chromium (Cr):Nyob ib ncig ntawm 2.25%.
Molybdenum (Molybdenum):Kwv yees li 1%.
Cov pa roj carbon (C):Qhov qis dua (piv txwv li, 0.05-0.17% rau Chav Kawm 1).
Vim li cas Siv Nws?
Cov ntsiab lus chromium thiab molybdenum muab qhov siab tshaj - qhov kub thiab txias thiab tiv thaiv kev nkag mus, pitting, thiab sulfide kev ntxhov siab tawg, ua rau nws zoo tagnrho rau kev xav tau kev lag luam ib puag ncig uas carbon hlau yuav ua tsis tiav. Chav Kawm 1 muaj qhov zoo dua ductility thiab yooj yim ntawm fabrication piv rau Chav Kawm 2.
Dab tsi yog daim ntawv thov raug cai ntawm ASME SA387 Qib 22 Chav Kawm 1?
ASME SA387 Qib 22 Chav Kawm 1 yog chromium-molybdenum alloy steel feem ntau siv rau cov hlab ntsha siab thiab boilers nyob rau hauv siab - kub, siab - siab muaj kev lag luam ib puag ncig xws li petrochemical, roj & roj, thiab cov nroj tsuag fais fab, ua cov khoom siv rau cov khoom siv hluav taws xob sib hloov, cov kav dej, cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob zoo heev. thiab corrosion.
Dab tsi yuav tsum tau ceev faj thaum vuam ASME SA387 Qib 22 Chav Kawm 1?
Thaum vuam ASME SA387 Qib 22 Chav Kawm 1, cov lus ceeb toom tseem ceeb suav nrog kev ua kom sov ua ntej kom tsis txhob tawg, siv cov khoom siv tsim nyog (tsawg hydrogen), tswj cov khoom siv hluav taws xob nrog cov hlaws dai, ua kom muaj cua thiab PPE, thiab muaj peev xwm ua tau zoo tom qab- Kev kho cua sov (PWHT) kom tsis txhob muaj qhov kub thiab txias (PWHT) tshwj xeeb tshaj yog rau cov seem tuab.
ASME SA387 Qib 22 Chav Kawm 1 yog dab tsi?
ASME SA387 Qib 22 Chav Kawm 1 yog chromium -molybdenum alloy hlau rau cov hlab ntsha siab, tus cwj pwm los ntawm kwv yees li 2.25% Chromium (Cr) thiab 1.00% Molybdenum (Mo), nrog rau qhov siab tshaj plaws rau Carbon (C), Manganese (Mn), Phosphorus (P) , Silicon ({6}), thiab Sulfurature ({6}) kev pab cuam nrog zoo corrosion kuj. Cov ntsiab lus tseem ceeb suav nrog Carbon (0.05-0.15%), Manganese (0.30-0.60%), Silicon (<= 0.50%), Phosphorus (<= 0.035%), Sulfur (<= 0.035%), Chromium (2.00-2.50%), and Molybdenum (0.90-1.10%).
ASME SA387 GR 22 CLASS 1 Phaj Specification:
| Txuj | ASTM A387 / ASME SA 387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASME SA 387 / ASTM A387 / ASTM A387 / ASME SA 387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASME SA 387 / ASTM A387 / ASTM A387 / ASME SA 387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASME SA 387 / ASTM A387) |
|---|---|
| Dav | 1000mm-4500mm |
| Thickness | 5mm-150 hli |
| Ntev | 3000mm-18000mm |
| Impact kuaj | -52 ° C |
| Khoom siv | Hlau alloy |
| Txheej txheem ntawm kev tsim khoom | Kub-Rolled (HR) |
Sib npaug rau ASME SA387 Qib 22 Alloy Steel Phaj
| BS | EN | ASTM/ASME | DIN |
| 622-515B | 10 ZPO 910 | SA387-22-1 | 10 ZPO 910 |
Specifications rau ASME SA387 Qib 22 Alloy Steel Phaj
| Lub npe | Nominal Chromium Cov ntsiab lus (%) |
Nominal Molybdenum Cov ntsiab lus (%) |
| SA387 Qib 22 | 2.25% | 1.00% |
Alloy Steel ASTM A387 GR 22 CL . 1 Daim hlau Chemical Composition:
| Qib | C | Mn | P | S | Si | Cr | Mo |
| Alloy Steel Gr.22 | 0.04 – 0.15 | 0.25 – 0.66 | 0.035 | 0.035 | 0.5 max | 1.88 – 2.62 | 0.85 – 1.15 |
Tensile Requirements rau ASME SA387 Qib 22 Alloy Steel Phaj Chav Kawm 1 Phaj
| Lub npe: | Yuav tsum tau: | Qib 22 |
| SA387 Qib 22 | Tensile zog, ksi [MPA] | 75 txog 100 [515 rau 690] |
| Yield zog, min, ksi [MPa] / (0.2% offset) | 45 [310] | |
| Elongation hauv 8 nti. [200mm], min % | ... | |
| Elongation hauv 2 nti [50mm], min, % | 18 | |
| Txo thaj tsam, min% | 45 ( ntsuas ntawm cov qauv puag ncig) 40 ( ntsuas ntawm cov qauv tiaj tus) |
1 Dab tsi yog qhov nyuaj ntawm ASME SA387 Qib 22 Chav Kawm 1 steel?
ASME SA387 Qib 22 Chav Kawm 1 hlau feem ntau yog muab rau hauv qhov mob annealed, thiab thaum lub zog tshwj xeeb (xws li Brinell lossis Rockwell) tsis yog ib qho tseem ceeb hauv cov ntsiab lus tshwj xeeb, nws feem ntau yog mos txaus rau kev tsim tau zoo, feem ntau nyob ib ncig ntawm 241 HB (Brinell) siab tshaj plaws rau Chav Kawm 2, nrog rau Chav Kawm 1, kev ua kom muaj zog ntau dua los yog 3. tensile lub zog (60-85 ksi) rau boiler / siab hlab ntsha daim ntaub ntawv, nrog hardness txawv me ntsis los ntawm cov chaw tsim tshuaj paus thiab mob.
2 Tus lej P ntawm ASME SA387 Qib 22 Chav Kawm 1 yog dab tsi?
Rau ASME SA387 Qib 22 Chav Kawm 1, cov khoom poob rau hauv P-Number 5A nyob rau hauv ASME Boiler & Pressure Vessel Code (BPVC) Tshooj IX, muab nws nrog lwm cov 2.25% Chromium-1% Molybdenum steels rau siab kub kev pab cuam, uas tso cai rau cov khoom tsim nyog raws li cov khoom sib xws.
3 ASME SA387 Qib 22 Chav Kawm 1 sib npaug li cas?
ASME SA387 Qib 22 Chav Kawm 1 yog sib npaug rau ASTM A387 Qib 22 Chav Kawm 1 (cov khoom siv tib yam, cov qauv sib txawv) thiab thoob ntiaj teb rau EN 10CrMo9-10, DIN 10CrMo9-10, thiab BS 622-515B yog tsim los ntawm cov hlau alloys high-temperature siab lub nkoj siv nrog me ntsis qis tensile lub zog yuav tsum tau tshaj li Chav 2.
4 Puas yog ASME SA387 Qib 22 Chav Kawm 1 carbon steel?
Tsis yog, ASME SA387 Qib 22 Chav Kawm 1 tsis yog carbon steel; nws yog chromium-molybdenum alloy steel, tshwj xeeb tshaj yog cov hlau tsis tshua muaj hlau, siv rau siab -kub siab cov hlab ntsha, muaj cov chromium ntxiv (kwv yees li 2.25%) thiab molybdenum rau lub zog thiab corrosion kuj, qhov txawv ntawm cov qauv carbon steels.
5 Dab tsi welding pas nrig rau ASME SA387 Qib 22 Chav Kawm 1?
Rau vuam ASME SA387 Qib 22 Chav Kawm 1 (2.25% Cr, 1% Mo), koj xav tau kev sib piv los yog me ntsis dhau -alloyed muab tub lim hlau, feem ntau AWS A5.5 E9018-B3 (SMAW) los yog sib npaug qis-alloy fluxed{1}AW (FC){1} (GMAW) consumables zoo li AWS A5.28 ER90S-B3, kom ntseeg tau tias tom qab vuam thaum tshav kub kub kho (PWHT) los tiv thaiv temper embrittlement thiab hydrogen cracking.
6 Dab tsi yog qhov kub thiab txias yog ASME SA387 Qib 22 Chav Kawm 1?
ASME SA387 Qib 22 Chav Kawm 1 yog chromium-molybdenum alloy steel siv rau siab-kub siab cov hlab ntsha, tsim los tiv taus qhov kub siab (feem ntau tshaj 1000℃F / 538 degree) thaum tuav lub zog, nrog rau nws qhov ntsuas qhov tsawg kawg nkaus tempering kub yog 12750℃kev kho cua sov, txawm tias qhov ntsuas kub ntawm 12750℃F (6) zoo heev nyob ntawm daim ntawv thov, nrog cov txiaj ntsig zoo li kev tiv thaiv siab -temp embrittlement.
7 Dab tsi yog ASME SA387 Qib 22 Chav Kawm 1 kev kub ceev hlau?
ASME SA387 Qib 22 Chav Kawm 1 tsis siab -ceev steel; nws yog Chromium-Molybdenum (Cr-Mo) alloy steel phaj rau siab-kub siab cov hlab ntsha thiab boilers, muab cov cua sov zoo heev / corrosion kuj vim nws 2.00-2.50% Chromium thiab 0.90-1.10% Molybdenum cov ntsiab lus, nrog rau chav kawm 1 lub zog qis dua qhov tshwj xeeb.
Yog xav paub ntxiv txogASME SA387 Qib 22 Chav Kawm 1GNEE cov khoom, koj tuaj yeem xa email rau info@gneesteels.com . Peb zoo siab tshaj los pab koj.
