Lub hardness ntawm ASME SA387 Qib 22 Class 1 steel yog dab tsi?
ASME SA387 Qib 22 Chav Kawm 1steel feem ntau muab rau hauv ib qho kev mob annealed, thiab thaum lub hardness 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 zoo, feem ntau nyob ib puag ncig.241 HB (Brinell) siab tshaj plaws rau Chav Kawm 2, nrog rau chav kawm 1 zoo sib xws los yog softer, tsom ntau dua ntawm cov khoom muaj zog (30 ksi min) thiab tensile 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 tej yam kev mob.
ASME SA387 Qib 22 Chav Kawm 1 yog chromium-molybdenum alloy steel phaj rau siab-kub siab cov hlab ntsha, paub txog nws cov cua sov thiab oxidation tsis kam, feem ntau siv hauv roj, roj, thiab petrochemical kev lag luam rau boilers, tshav kub exchangers, thiab kav. Cov yam ntxwv tseem ceeb muaj xws li cov tshuaj muaj pes tsawg leeg (nyob ib ncig ntawm 2.25% Cr, 1% Mo) thiab qis zog tensile (415-585 MPa) thiab yield zog (min 205 MPa) piv rau Chav Kawm 2, nrog zoo weldability.
Cov yam ntxwv tseem ceeb
Khoom siv:Ib qho chromium-molybdenum (Cr-Mo) alloy steel.
Daim ntawv thov:Tsim los rau qhov kub thiab txias, feem ntau nyob rau hauv refineries, petrochemical nroj tsuag, thiab tsim hluav taws xob.
Kev ua tau zoo:Muab oxidation zoo heev thiab corrosion kuj, haum rau qaub roj (H2S) ib puag ncig.
Chemical Composition (Hom rau Qib 22)
Chromium (Cr): 1.88 - 2.62%
Molybdenum (Molybdenum):0.85 - 1.15% (ua kom muaj zog thaum kub siab)
Cov pa roj carbon (C):Max 0.15%
Kev muab khoom & kev ua haujlwm
Feem ntau muab nyob rau hauv lub normalized thiab tempered mob.
Muaj nyob rau hauv daim hlau rau fabrication ntawm cov hlab ntsha siab, tshav kub exchangers, thiab pipelines.
Loj: Thickness: 4mm- 400mm; Dav: 1000mm- 4000mm; Ntev: 4000mm- 12000mm.
Muaj peev xwm tsim tau: 10000 Tons Ib Hlis.
Txoj kev tsim khoom: Kub Rolled, Annealing, Normalizing, Tempering.
Daim ntawv thov:
Refineries, tshuaj nroj tsuag, thiab cov chaw tsim hluav taws xob.
Thaum tshav kub kub exchangers, condensers, thiab pipelines.
Cov khoom siv roj thiab roj ua haujlwm, suav nrog kev ua haujlwm sab nraud.
Techanical Paub meej:
Thaum tshav kub kub kho: Normalized, quenched, Tempered, HIC, Impact Test, ..(yeem yog tsis muaj nyob rau hauv cov cai)
ASME SA387 Qib 22 Chav Kawm 1 yog dab tsi?
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.
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 cov hlau alloy uas tsim los ntawm chromium alloy, tag nrho cov hlau high-temperature siab lub nkoj siv nrog me ntsis qis tensile lub zog yuav tsum tau tshaj li Chav 2.
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, kev ceev faj 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 zoo thiab PPE, thiab muaj peev xwm ua tau tom qab- Weld Heat Treatment (PWHT) kom tsis txhob muaj qhov kub thiab txias (PWHT) tshwj xeeb tshaj yog rau cov seem tuab.
ASTM A387 / ASME SA387 GR 22 CLASS 1 / 2 Phaj Specification:
| Txuj | ASTM A387 / ASME SA 387 Cov Lus Qhia |
|---|---|
| Dav | 1000mm-4500mm |
| Thickness | 5 hli-150mm |
| 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 / 2 Phaj 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 muaj: | 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 daim ntawv thov 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.
2. ASME SA387 Qib 22 Chav Kawm 1 yog dab tsi?
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.
3. Dab tsi yog qhov muaj pes tsawg leeg ntawm ASME SA387 Qib 22 Chav Kawm 1?
ASME SA387 Qib 22 Chav Kawm 1 yog chromium-molybdenum alloy steel rau cov hlab ntsha siab, tus yam ntxwv 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}), thiab Sulfurature (-), Silicon 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%).
4. Dab tsi vuam 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.
5. 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.
6. Lub hardness ntawm ASME SA387 Qib 22 Class 1 steel yog dab tsi?
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.
7. 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.
Yog tias koj muaj qhov project xav tau rauASME SA387 Qib 22 Chav Kawm 1, 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
