ASME SA387 Qib 5 Chav Kawm 2Phaj yog ib hom hlau alloy steel phaj tshwj xeeb tsim los rau siab -tej yam kub. Cov phaj no yog tus cwj pwm los ntawm lawv cov chromium- molybdenum muaj pes tsawg leeg, uas muab kev tiv thaiv zoo rau cov cua sov thiab corrosion. Qhov sib ntxiv ntawm molybdenum txhim khu lub zog thiab kav ntev ntawm cov hlau, ua rau nws tsim nyog siv rau hauv cov hlab ntsha siab thiab cov boilers muaj kev khiav hauj lwm hauv huab cua.
Sib npaug
| BS | EN | ASME | DIN |
| ... | ... | SA387-5-2 | ... |
Specifications ASME SA387 Qib 5 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 5 | 5.00% | 0.50% |
Tensile Requirements rau ASME SA387 Qib 5 Alloy Steel Phaj Chav Kawm 2 Phaj
| Lub npe: | Yuav tsum tau: | Qib 5 |
|
SA387 Qib 5 |
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) |
Cov Khoom Siv Tshuaj Rau ASME SA387 Qib 5 Alloy Steel Phaj
| Element | Chemical Composition (%) | |
| SA 387 Qib 5 | ||
| Cov pa roj carbon: | Kev Ntsuas Kub: | 0.15 max |
| Product Analysis: | 0.15 max | |
| Manganese: | Kev Ntsuas Kub: | 0.30 - 0.60 |
| Product Analysis: | 0.25 - 0.66 | |
| Phosphorus: | Kev Ntsuas Kub: | 0.035 |
| Product Analysis: | 0.035 | |
| Sulfur (max): | Kev Ntsuas Kub: | 0.030 |
| Product Analysis: | 0.030 | |
| Silicon: | Kev Ntsuas Kub: | 0.50 max |
| Product Analysis: | 0.55 max | |
| Chromium: | Kev Ntsuas Kub: | 4.00 - 6.00 |
| Product Analysis: | 3.90 - 6.10 | |
| Molybdenum: | Kev Ntsuas Kub: | 0.45 - 0.65 |
| Product Analysis: | 0.40 - 0.70 |
Cov ntawv thov tseem ceeb
Roj & Roj
Nws yog dav siv nyob rau hauv cov chaw tseem ceeb thiab cov cuab yeej siv thoob plaws hauv cov dej ntws thiab cov dej ntws qis, suav nrog cov chaw ua haujlwm rau cov roj av, cov cuab yeej tshawb nrhiav rugged rau onshore thiab offshore drilling kev ua haujlwm, corrosion- tiv taus ntev -cov kav xa mus rau roj thiab roj, thiab loj - lub tank ntim rau khaws cia cov roj av, cov khoom siv roj thiab cov khoom siv roj. Nws ua haujlwm ruaj khov txawm tias nyob rau hauv me ntsis qaub- qhov chaw pabcuam uas muaj tsawg - concentration hydrogen sulfide.
Petrochemical & Tshuaj
Nws ua haujlwm zoo tshaj plaws rau kev tsim cov khoom siv tseem ceeb, xws li siab -siab reactors rau tshuaj synthesis, tuab - phab ntsa siab hlab ntsha rau khaws cia corrosive media, thiab siab -kub txheej txheem piping networks. Tshwj xeeb tshaj yog, nws qhia tau hais tias kev ua tau zoo heev hauv cov roj qaub hnyav nrog hydrogen sulfide, tiv thaiv sulfide kev nyuaj siab corrosion thiab ua kom muaj kev nyab xeeb thiab ua haujlwm tsis tu ncua ntawm cov kab ntau lawm.
Lub zog tiam
Nws yog siv los tsim cov khoom tseem ceeb ntawm thermal thiab nuclear fais fab nroj tsuag, nrog rau cov boiler nruas thiab rauv phab ntsa, cua sov rov qab chav generators (HRSG) rau pov tseg thaum tshav kub kub siv, siab -kub turbine casings, thiab cov muaj feem xyuam rau siab - siab zog chav thiab dej piping systems. Nws qhov ua tau zoo siab - qhov kub thiab txias tsis kam ua kom tau raws li qhov ntev - lub sijhawm ua haujlwm ntawm cov cuab yeej tsim hluav taws xob.
Khoom siv
Nws tau siv dav hauv kev tsim cov khoom siv dav dav dav dav uas yuav tsum tau muaj peev xwm ua haujlwm siab - cov kabmob muaj peev xwm, cov khoom siv ua zaub mov uas xav tau kev nyiam huv thiab kev tiv thaiv corrosion, thiab cov tub ntxhais thermal ua haujlwm hauv cov ntaub so ntswg & ntawv tsim, xws li cov tshuab zom thiab ziab cov khoom siv, txhawb kev ruaj khov ntawm ntau hom kev lag luam.
Tau txais cov lus muaj nuj nqis rau ASME SA387 Qib 5 Chav Kawm 2, Hu rau GNEE Steel.
1.Dab tsi yog SA 387 Gr 5 Cl 2?
Nws yog Cr-Mo alloy steel phaj rau ASME SA-387, tsim los rau siab -temp thiab siab-siab welded siab hlab ntsha thiab boilers, nrog zoo oxidation, creep thiab me ntsis qaub-kev pab cuam corrosion kuj.
2.Nws txawv ntawm SA 387 Gr 5 Cl 1 li cas?
Qhov sib txawv tseem ceeb yog lub zog tensile-Cl 2 muaj zog tsawg dua li Cl 1, ua rau nws tsim nyog rau kev xav tau ntau dua - siab ua haujlwm.