SA 387 Qib 22 Chav Kawm 1yog hom chromium - molybdenum alloy steel phaj tsim raws li ASME SA - 387/SA - 387M tus qauv. Nws yog tsim tshwj xeeb rau cov welded boilers thiab cov hlab ntsha siab ua haujlwm nyob rau hauv siab - kub thiab siab - siab chaw, thiab yog dav siv nyob rau hauv kev lag luam xws li roj thiab roj, petrochemicals, thiab hluav taws xob tsim.
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
Chromium & Molybdenum cov ntsiab lus (raws li ASME specification)
| Lub npe | Nominal Chromium Cov ntsiab lus (%) |
Nominal Molybdenum Cov ntsiab lus (%) |
| SA387 Qib 22 | 2.25% | 1.00% |
Tensile Requirements rau ASME SA387 Qib 22 Alloy Steel Phaj Chav Kawm 1 Phaj
| Lub npe: | Yuav tsum tau: | 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) |
Cov Khoom Siv Tshuaj Rau ASME SA387 Qib 22 Alloy Steel Phaj
| Element | Chemical Composition (%) | |
| SA387 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 |
Cov ntawv thov tseem ceeb
Roj & RojNws yog cov khoom siv zoo tshaj plaws rau kev tsim cov hlab ntsha siab, hnyav -cov kav dej ua haujlwm, thiab tseem ceeb ntawm - cov cuab yeej siv hauv qhov chaw refineries thiab offshore drilling platforms, qhov uas nws tiv taus qhov hnyav offshore ntsev tsuag, hloov siab, thiab siab -kub hloov cov dej.
Lub zog tiamCov hlau yog cov khoom siv tseem ceeb rau boilers, plhaub- thiab- raj kub exchangers, thiab siab - cov ntsiab lus kev ntxhov siab nyob rau hauv thermal, nuclear, thiab ua ke - voj voog fais fab nroj tsuag, xa cov kev ua tau zoo nyob rau hauv ntev - lub sij hawm siab - cua sov thiab siab - siab khiav hauj lwm tswj.
Petrochemical & TshuajNws yog dav siv rau kev tsim cov reactors, corrosion-resistant tank tank, thiab txheej txheem pipelines nyob rau hauv chemical processing nroj tsuag, zoo tiv taus yaig los ntawm acidic / alkaline xov xwm thiab txhawb kev ruaj ntseg thaum lub sij hawm tas li tshuaj tiv thaiv.
Kev ua pa rojUa tsaug rau nws cov kev tiv thaiv corrosion zoo heev, nws yog qhov kev xaiv zoo tshaj plaws rau cov cuab yeej siv los tuav cov pa roj qaub (muaj H₂S thiab CO₂), tiv thaiv sulfide kev ntxhov siab tawg thiab ua kom muaj kev nyab xeeb thiab muaj txiaj ntsig roj purification thiab kev kho mob.
General FabricationNws yog siv los tsim high-kub ducting, hnyav- flanges flanges, thiab cov khoom siv uas yuav tsum tau ua kom muaj cua sov, ua tau raws li qhov xav tau ntawm cov khoom siv hluav taws xob, cov khoom siv hluav taws xob pov tseg, thiab lwm yam kev kub siab ua haujlwm.
Tag nrho cov specification thiab cov ntsiab lus muaj nyob rau ntawm kev thov. Cov ntaub ntawv saum toj no yog muab rau kev taw qhia nkaus xwb. Rau kev tsim tshwj xeeb thov hu rau peb cov neeg ua haujlwm muag khoom.
1.Qhov muaj pes tsawg leeg ntawm SA 387 Qib 22 Chav Kawm 1steel yog dab tsi?
SA 387 Qib 22 Chav Kawm 1 yog Cr-Mo alloy steel raws li ASME SA-387 / SA-387M tus qauv, nrog nruj tswj cov tshuaj muaj pes tsawg leeg: 0.05%–0.15% C, 2.00%–2.50% Cr, 0.90% 0.90% Mo-1. Mn, max 0.50% Si, thiab max 0.035% txhua rau P thiab S. Cov ntsiab lus no ua kom nws lub zog kub kub, nkag tsis kam thiab weldability rau kev siv lub nkoj siab.
2.Dab tsi yog SA 387 Qib 22 Chav Kawm 1 khoom?
SA 387 Qib 22 Chav Kawm 1 yog chromium-molybdenum (Cr-Mo) alloy steel phaj, teev los ntawm ASME, tsim los rau cov hlab ntsha siab thiab cov boilers ua haujlwm ntawm qhov kub siab, muab lub zog zoo, weldability, thiab tsis kam rau oxidation thiab corrosion, nrog Chav Kawm 1 qhia txog cov khoom siv kho mob tshwj xeeb (xws li cov ntsiab lus siab dua. 2.0-2.5%) thiab molybdenum (nyob ib ncig ntawm 0.9-1.1%) rau kev ua haujlwm siab, ua rau nws zoo tagnrho rau kev lag luam petrochemical, roj & roj, thiab fais fab kev lag luam.