ASTM A387 Qib 22 Chav Kawm 1yog ib qho chromium-molybdenum (Cr-Mo) alloy steel phaj siv rau welded boilers thiab siab hlab ntsha nyob rau hauv siab - kub kev pab cuam, muab zoo zog thiab corrosion kuj vim nws ~ 2.25% Chromium thiab ~ 1% Molybdenum cov ntsiab lus, nrog Class 1 sawv cev rau tus qauv tensile zog theem rau tej kev siv.
Tensile Requirements rau ASTM A387 Qib 22 Alloy Steel Phaj Chav Kawm 1 Phaj
| Lub npe: | Yuav tsum tau: | Qib 22 |
| A387 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) |
Cov Khoom Siv Tshuaj Rau ASTM A387 Qib 22 Alloy Steel Phaj
| Element | Chemical Composition (%) | |
| A387 Qib 22 | ||
| Cov pa roj carbon: | Kev Ntsuas Kub: | 0.05 - 0.15 |
| Product Analysis: | 0.04 - 0.15 | |
| 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: | 0.035 |
| Product Analysis: | 0.035 | |
| Silicon: | Kev Ntsuas Kub: | 0.50 max |
| Product Analysis: | 0.50 max | |
| Chromium: | Kev Ntsuas Kub: | 2.00 - 2.50 |
| Product Analysis: | 1.88 - 2.62 | |
| Molybdenum: | Kev Ntsuas Kub: | 0.90 - 1.10 |
| Product Analysis: | 0.85 - 1.15 |
daim ntawv thov
Kev lag luam roj thiab roj: Siv rau hydrogenation reactors, cov khoom tseem ceeb ntawm desulfurization units, cov khoom siv roj qaub, nrog rau cov hlab ntsha thiab cov kav dej siab rau cov roj crude distillation. Nws tuaj yeem tiv taus hydrogen sulfide corrosion thiab siab - ib puag ncig siab.
Kev lag luam fais fab: Haum rau chav nruas thiab headers ntawm thermal fais fab boilers, siab -kub cov raj xa dej, nruab nrab- qhov kub thiab txias seem ntawm cov khoom siv hluav taws xob hauv nuclear fais fab nroj tsuag, thiab lub siab tseem ceeb- cov qauv bearing xws li turbine casings nyob rau hauv ua ke lub voj voog fais fab nroj tsuag.
Kev Lag Luam Tshuaj thiab Coal Kev Lag Luam: Manufactures reactors rau polymerization, alkylation thiab lwm yam tshuaj tiv thaiv txheej txheem, pipelines thiab cia tso tsheb hlau luam rau cov kua qaub-alkali tov kev thauj mus los, raws li zoo raws li lub plhaub thiab raj cov ntaub ntawv ntawm synthesis yees, separators thiab ntau yam kub exchangers.
General Boiler thiab Heat Exchange Equipment: Siv rau lub siab-cov kabmob ntawm cov boilers muaj thiab hnyav- lub luag haujlwm kub exchangers, muaj peev xwm tiv taus thermal qaug zog thiab corrosion tshwm sim los ntawm ntev -lub sij hawm siab - kub combustion.
Tiv tauj peb ntawm beam@gneesteelgroup.com. rau pricing, technical support, los yog customized daws. Peb yeej ib txwm npaj los txhawb koj qhov project.
A387 qib 22 yog dab tsi?
Chrome Molybdenum Steel - ASTM A387 Qib 22 Chav Kawm 2. A387 Qib 22 Chav Kawm 2 - qib ntawm chromium-molybdenum alloy - yog tsim los siv rau hauv cov hlab ntsha siab thiab cov welded boilers, uas yog tsim los siv rau hauv qhov kub thiab txias.
ASTM A387 yog dab tsi?
Lub siab zoo chrome molybdenum alloy steel phaj npaj tshwj xeeb rau kev siv hauv weldable carbon steel siab hlab ntsha ntawm qhov kub siab. Ntxiv molybdenum muab cov khoom siv kub tensile zog thiab chromium muab kev txhim kho corrosion.