ASME SA387 Qib 11 Chav Kawm 2Plates yog dab tsi?
ASME SA387 Qib 11 Chav Kawm 2 Phaj yog chromium-molybdenum alloy steel daim hlau tsim los siv rau hauv cov weldedboilers thiab cov hlab ntsha siab, Cov phaj no tau tsim tshwj xeeb kom tiv taus siab - kub thiab siab - siab nyob ib puag ncig, ua rau lawv zoo tagnrho rau cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob tshwj xeeb chromium thiab molybdenum, uas txhim khu lub stee lub zog, hardness, thiab kuj tocorrosion thiab oxidation.
SA387 Qib 11 Chav Kawm 2 yog chromium-molybdenum alloy steel phaj rau siab-kub siab cov hlab ntsha, boilers, thiab tshav kub exchangers, muab lub zog thiab oxidation tsis kam vim nws ~ 1.25% chromium thiab ~ 0.5% molybdenum cov ntsiab lus, nrog rau chav kawm 2 qhia siab dua tensile zog (ntau dua 75 k 10) zoo tagnrho rau kev siv roj, roj, thiab petrochemical.
Cov yam ntxwv tseem ceeb:
Corrosion Resistance:Cov ntsiab lus siab chromium muab kev ua haujlwm zoo rau oxidation thiab corrosion, haum rau cov roj qaub.
Lub zog:Chav Kawm 2 qhia txog lub zog tensile siab dua (515-690 MPa lossis 75-100 ksi) thiab lub zog tawm los (min 310 MPa lossis 43 ksi) dua Chav Kawm 1.
Kev sib xyaw:Muaj kwv yees li 1.25% Chromium thiab 0.5% Molybdenum.
Khoom siv:Chromium-Molybdenum (Cr-Mo) Alloy Steel.
Daim ntawv thov:Kev pabcuam kub siab hauv cov hlab ntsha siab, boilers, thiab kub exchangers.
Kev Siv Feem Ntau: Roj & Roj Kev Lag Luam, Petrochemical Cog, Welded Boilers, thiab Kub Exchangers.
Qauv:
Muaj ntawv pov thawj rau ASTM A387 thiab ASME SA387 tus qauv.
Sib npaug
| BS | EN | ASTM/ASME | DIN |
| 621 B | ––– | SA387-11-2 | ––– |
Chromium & Molybdenum cov ntsiab lus (raws li ASME specification):
| TSEEM CEEB | NOMINAL CHROMIUM CONTENT (%) | NOMINAL MOLYBDENUM CONTENT (%) |
|---|---|---|
| A387 Qib 11 | 1.25% | 0.50% |
Tensile Requirements rau ASME SA387 Qib 11 Alloy Steel Phaj Chav Kawm 2
| Lub npe: | Yuav tsum tau: | Qib 11 |
| SA387 Qib 11 | Tensile zog, ksi [MPa] | 75 txog 100 [515 rau 690] |
| Yield zog, min, ksi [MPa] / (0.2% offset) | 43 [310] | |
| Elongation hauv 8 nti. [200mm], min % | 18 | |
| Elongation hauv 2 nti. [50mm], min, % | 22 | |
| Txo thaj tsam, min% | ––– |
|
ASME SA-387 Qib 11 Chav Kawm 2 |
|
|---|---|
| Tensile zog MPa [ksi] |
450-585 [65-85] |
| Yield zog MPa [ksi], min. |
275 [40] |
| Elongation hauv 8", min.% |
19 |
| Elongation hauv 2", min.% |
22 |
| Txo ntawm thaj, min. % |
- |
Chemical Composition ntawm SA387 Qib 11 Chav Kawm 2
| Cov pa roj carbon (C) | % |
| Kev Ntsuas Kub: Product Analysis: |
0.05 - 0.17 0.04 - 0.17 |
| Manganese (Mn) | % |
| Kev Ntsuas Kub: Product Analysis: |
0.40 - 0.65 0.35 - 0.73 |
| Phosphorus (P) | % |
| Kev Ntsuas Kub: Product Analysis: |
0.035 0.035 |
| Sulfur (S) (Max) | % |
| Kev Ntsuas Kub: Product Analysis: |
0.035 0.035 |
| Silicon (Si) | % |
| Kev Ntsuas Kub: Product Analysis: |
0.50 - 0.80 0.44 - 0.86 |
| Chromium (Cr) | % |
| Kev Ntsuas Kub: Product Analysis: |
1.00 - 1.50 0.94 - 1.56 |
| Molybdenum (hli) | % |
| Kev Ntsuas Kub: Product Analysis: |
0.45 - 0.65 0.45 - 0.70 |
ASME SA387 Qib 11 Chav Kawm 2 yog dab tsi?
ASME SA387 Qib 11 Chav Kawm 2 yog siab -lub zog, chromium-molybdenum alloy steel tsim raucov hlab ntsha siab thiab boilers ua haujlwm ntawm qhov kub thiab txias, muab oxidation zoo heev thiab corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv cov roj, roj, thiab tshuaj industries. Nws muab siab tshaj - qhov kub thiab txias zog vim nws qhov tshwj xeeb Cr (nyob ib ncig ntawm 1.25%) thiab Mo (ib puag ncig 0.50%) cov ntsiab lus, muab nyob rau hauv ib qho xwm txheej thiab tempered rau kev xav tau kev pab.
2 asme sa387 qib 11 chav kawm 2 sib npaug li cas?
ASME SA387 Qib 11 Chav Kawm 2 yog siab -kem chromium-molybdenum steel rau boilers / siab hlab ntsha, sib npaug rauASTM A387 Qib 11 Chav Kawm 2, nrog European sib npaugEN 13CrMoSi5-5(EN standard) thiabSIB 621B(British Standard), tag nrho cov denoting zoo sib xws tshuaj muaj pes tsawg leeg (1.25Cr-0.5Mo) tab sis txawv txhua yam khoom, tshwj xeeb tshaj yog tensile zog, rau chav kawm 2.
3 Dab tsi yog qhov muaj pes tsawg leeg ntawm asme sa387 qib 11 chav kawm 2?
ASME SA387 Qib 11 Chav Kawm 2 yog Cr-Mo alloy steel rau siab-temp siab hlab ntsha, nrog cov ntsiab lus tseem ceeb yog1.00-1.50% Chromium, 0.45-0.65% Molybdenum, thiab0.50-0.80% silicon, nrog rau kev tswj cov pa roj carbon (0.05-0.17%), Manganese (0.40-0.65%), thiab qis Sulfur / Phosphorus (Less dua lossis sib npaug li 0.025%), muab lub zog kub kub, oxidation, thiab corrosion kuj, nrog "Class 2" qhia tias muaj zog dua cov cuab yeej siv zog dua li qub.
4 Dab tsi yog qhov ceev ntawm asme sa387 qib 11 chav kawm 2?
Qhov ceev rau ASME SA387 Qib 11 Chav Kawm 2 steel yog kwv yees li7.85 g / cm³(los yog 0.284 lbs / in³), raug rau alloy steels, txawm tias qhov tseem ceeb yuav txawv me ntsis los ntawm cov chaw tsim khoom; no chrome-moly steel muaj 1.25% Chromium thiab 0.50% Molybdenum, muab nws zoo siab - kub lub zog rau cov hlab ntsha siab.
5 Dab tsi yog qhov txiaj ntsig kev ntxhov siab siab tshaj plaws rau asme sa387 qib 11 chav kawm 2?
Qhov siab tshaj plaws tso cai rau ASME SA387 Qib 11 Chav Kawm 2 tsis yog ib tus lej tas li tab sis nws txawv nrog qhov ntsuas kub, txiav txim siab los ntawm ASME Boiler & Pressure Vessel Code (BPVC) Tshooj II, Ntu D, feem ntau muab los ntawm nws.Yam tsawg kawg nkaus tawm lub zog (43 ksi / 310 MPa)thiabTensile zog (75-100 ksi / 515-690 MPa), nrog cov lej zoo li B31.3 thov kev nyab xeeb yam tseem ceeb (piv txwv li, 1/3 tawm los lossis 1/4 tensile) rau ntau qhov kev pabcuam kub, xav tau kev sab laj nrog cov lus tshwj xeeb rau cov txiaj ntsig zoo.
Yog tias koj muaj qhov yuav tsum tau ua rau ASME SA387 Qib 11 Chav Kawm 2, 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 txhua yam khoom, tshuaj lom neeg 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
