SA 387 Qib 11 Chav Kawm 2yog chromium-molybdenum alloy steel phaj rau siab-kub siab hlab ntsha, muab lub zog zoo heev, weldability, thiab tsis kam mus rau oxidation, feem ntau siv rau hauv cov roj, roj, thiab petrochemical kev lag luam rau boilers, tshav kub exchangers, thiab kav. Nws muaj kwv yees li 1.25% Chromium thiab 0.50% Molybdenum, muab kev ua tau zoo tshaj plaws hauv kev ua haujlwm siab kub thiab corrosive ib puag ncig.
Specifications rau ASME SA387 Qib 11 Chav Kawm 2 Alloy Steel Phaj
Chromium & Molybdenum cov ntsiab lus (raws li ASME specification)
| Lub npe | Nominal Chromium Cov ntsiab lus (%) |
Nominal Molybdenum Cov ntsiab lus (%) |
| SA387 Qib 11 | 1.25% | 0.50% |
Cov Khoom Siv Tshuaj Rau ASME SA387 Qib 11 Chav Kawm 2 Alloy Steel Phaj
| Lub ntsiab | Chemical Composition (%) | |
| SA387 Qib 11 | ||
| 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: | 0.50 - 0.80 |
| Product Analysis: | 0.44 - 0.86 | |
| Chromium: | Kev Ntsuas Kub: | 1.00 - 1.50 |
| Product Analysis: | 0.94 - 1.56 | |
| Molybdenum: | Kev Ntsuas Kub: | 0.45 - 0.65 |
| Product Analysis: | 0.45 - 0.70 |
Cov ntawv thov tseem ceeb
Roj & Roj: Cov hlab ntsha siab, cov tso tsheb hlau luam, thiab cov kav dej rau tuav cov kua dej kub thiab roj.
Petrochemical & Chemical Processing: Cov cuab yeej raug rau qhov kub thiab txias thiab corrosive media.
Kev tsim hluav taws xob: boilers, hluav taws kub exchangers, thiab lwm yam khoom siv ua haujlwm nyob rau hauv cov xwm txheej hnyav.
Muaj Boilers: Welded boilers xav tau lub zog thiab kav ntev ntawm qhov kub siab.
Qhov zoo
Zoo heev -Temperature Mechanical Properties: Siab zog dua Qib 11 Chav Kawm 1, tiv thaiv kev nkag thiab tswj kev ruaj ntseg nyob rau hauv ntev -lub sij hawm siab- kub thiab siab - siab.
Strong Corrosion & Oxidation Resistance: Chromium-molybdenum synergy enables tiv thaiv sulfide kev nyuaj siab tawg, chloride corrosion thiab siab - kub oxidation, haum rau qaub roj thiab acidic media.
Txhim khu Weldability: khaws zoo weldability nrog lub zog siab, tsim cov pob qij txha ruaj khov ntawm cov txheej txheem rau cov khoom siv welded loj.
Stable Structural Tolerance: Withstands thermal cycles, resists deformation / tsis ua hauj lwm, ncua kev pab cuam lub neej ntawm cov cuab yeej thiab txo nqi txij nkawm.
Kev siv dav dav: ASME- ua raws, haum rau cov roj thiab roj, thermal zog, tshuaj lom neeg kev lag luam, rau cov hlab ntsha siab, boilers thiab kub exchangers.
Tau txais cov lus muaj nuj nqis rau SA 387 Qib 11 Chav Kawm 2, Hu rau GNEE Steel.
1.Dab tsi yog SA 387 11 2 khoom?
SA 387 GR. 11 CL. 2 Phaj yog cov cua sov- tiv taus thiab corrosion- cov phaj hlau uas tiv taus kub, kev ntxhov siab thiab nkag mus. sa 387 gr 11 cl 2 cov khoom kuj muaj qhov cuam tshuam zoo zog thiab weldability.
2.Qhov kub ntawm SA 387 GR 11 yog dab tsi?
Nyob rau hauv qis kawg ntawm qhov kub ntawm SA 387 Gr 11 (1150 ° F min tempering kub), thiab SA 387 Gr 22 (1250 ° F min tempering kub) yog siv. Cov qib no tuaj yeem teev nyob rau hauv chav kawm 1 lossis 2 thiab tseem tuaj yeem muab rau hauv Normalized & Tempered lossis Quenched thiab Tempered.