SA517 Qib Eyog lub siab -lub zog, quenched thiab tempered alloy steel phaj. Nws yog tsuas yog siv rau cov hlab ntsha siab thiab boilers, featuring zoo heev toughness thiab weldability, haum rau qis - kub thiab siab - siab ua hauj lwm ib puag ncig.
Kev xav tau tshuaj
| Cov ntsiab lus | Qib E% |
|---|---|
| Cov pa roj carbon | |
| Kev ntsuas kub | 0.12-0.20 |
| Kev tshuaj xyuas cov khoom | 0.10-0.22 |
| Manganese | |
| Kev ntsuas kub | 0.40-0.70 |
| Kev tshuaj xyuas cov khoom | 0.35-0.78 |
| Phosphorus, max | 0.025 |
| Sulfur, max | 0.025 |
| Silicon | |
| Kev ntsuas kub | 0.10-0.40 |
| Kev tshuaj xyuas cov khoom | 0.08-0.45 |
| Nickel | |
| Kev ntsuas kub | – |
| Kev tshuaj xyuas cov khoom | – |
| Chromium | |
| Kev ntsuas kub | 1.40-2.00 |
| Kev tshuaj xyuas cov khoom | 1.34-2.06 |
| Molybdenum | |
| Kev ntsuas kub | 0.40-0.60 |
Tensile Requirements
| 2.50 in. [65 mm] thiab Under | Tshaj 2.50 mus rau 6 nti [65 txog 150 mm] | |
|---|---|---|
| Tensile zog | 115-135 [795-930] | 105-135 [725-930] |
| Yield zog, min, ksi [MPa] | 100 [690] | 90 [620] |
| Elongation hauv 2 nti [50 mm], min, % | 16 | 14 |
| Txo thaj tsam, min, %: | ||
| Rectangular qauv | 35 | – |
| Hloov cov qauv | 45 | 45 |
SA517 Qib E Qhov Zoo
Mechanical Performance
Tshwj xeeb tshaj yog siab tensile thiab yield zog ua ke nrog zoo heev tsawg -kub toughness, tswj cov qauv kev ncaj ncees nyob rau hauv heev dynamic thiab cyclic siab / thermal stress tej yam kev mob yam tsis muaj nkig puas.
Kub & Corrosion Resistance
Superior siab - qhov kub thiab txias stability rau lub sij hawm ntev - kev pab cuam nyob rau hauv siab thermal tej yam kev mob; zoo tsis kam mus rau kev lag luam corrosion thiab hydrogen embrittlement, petrochemical thiab offshore harsh media ib puag ncig.
Weldability & Fabricability
Cov khoom zoo heev weldable nrog tsawg kawg qhov yuav tsum tau ua ntej ua ntej, ua kom muaj siab - zoo weld pob qij txha thiab cov yam ntxwv sib xws; zoo formability rau txias / kub ua hauj lwm, yooj yim rau fabricate rau complex siab Cheebtsam.
Cov qauv kev ntseeg tau
Kev tsim khoom nruj thiab tswj cov qauv zoo, cov khoom siv zoo ib yam thoob plaws tag nrho cov phaj; siab qaug zog tsis kam, haum rau ntev - lub sij hawm cyclic load daim ntawv thov nyob rau hauv lub hwj chim thiab kav dej systems.
Industrial Adaptability
Ua tau raws li thoob ntiaj teb lub siab lub nkoj cov khoom specifications, sib xws nrog ntau yam kev lag luam technologies; ntau yam rau ntau-scenario siv nrog kev ua haujlwm ruaj khov hauv marine, nuclear, thiab siab -kub muaj kev lag luam ib puag ncig.
SA517 Qib E ua
Txiav & Ua
Zoo heev txias / kub formability rau dabtsi yog khoov, dov thiab stamping rau hauv complex siab hlab ntsha geometries; oxy- roj, ntshav thiab laser txiav txhua yam siv tau nrog cov npoo huv, meej thiab cov ncej me me- txiav kom tiav.
Vuam
Tsawg preheating xav tau (feem ntau 100-150 degree) rau cov txheej txheem vuam (GMAW, SMAW, SAW); weld pob qij txha khaws lub zog siab thiab toughness txuam lub hauv paus hlau, tsis muaj qhov pom tseeb tshaj tawm -weld embrittlement, yooj yim kom ua tiav cov qauv homogeneity.
Kev kho cua sov
Normalizing + tempering raws li txheej txheem kev kho cua sov kom ua kom lub zog zoo- sib npaug toughness; Kev ntxhov siab nyem annealing muaj tom qab- vuam / tsim kom tshem tawm cov kev ntxhov siab seem, tsis txhob deformation thiab xyuas kom muaj qhov ruaj khov.
Tshuab dhos
Zoo machinability rau tig, milling thiab drilling; ruaj khov nti tsim thaum lub sij hawm ua, cov cuab yeej siv tsis tshua muaj nqi, ua kom muaj qhov siab ntawm qhov siab -cov kabmob tivthaiv sealing ntsej muag thiab qhov chaw txuas.
Kev kho saum npoo
Tau tshaj txhaj tshuaj blasting, pleev xim rau thiab tiv thaiv-corrosion txheej; uniform nto adhesion tom qab kev kho mob, txhim khu kev tiv thaiv rau industrial thiab marine corrosion, ncua kev pab cuam lub neej ntawm cov khoom tiav.
Yog tias koj muaj qhov yuav tsum tau ua rau SA517 Qib E, 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: beam@gneesteelgroup.com.
Dab tsi tus qauv qhia txog qhov yuav tsum tau ua rau SA517 Qib E?
SA517 Qib E yog teev los ntawm ASME Boiler thiab Pressure Vessel Code (Section II, Part A). Cov txheej txheem no txhais nws cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, kev kho cua sov, thiab cov kev xav tau ntawm kev sim.
Dab tsi yog qhov cuam tshuam toughness ntawm SA517 Qib E?
Nws yuav tsum muaj qhov tsawg kawg nkaus Charpy V-notch (CVN) cuam tshuam lub zog ntawm 27 J (20 ft- lb) ntawm -18℃(0℃F). Qhov no ua kom zoo toughness txawm nyob rau hauv qis kub ua hauj lwm tej yam kev mob.
SA517 Qib E puas tuaj yeem siv rau hauv qhov chaw qis - qhov kub thiab txias?
Yog lawm, nws tsim nyog rau qhov qis - qhov kub thiab txias. Nrog zoo heev qis- qhov kub thiab txias cuam tshuam qhov hnyav (CVN Ntau dua lossis sib npaug ntawm 27 J ntawm -18 degree), nws tiv taus cov pob txha tawg hauv kev ua haujlwm txias.
Dab tsi yog qhov ceev ntawm SA517 Qib E?
Qhov ceev ntawm SA517 Qib E yog kwv yees li 7.85 g / cm³ (0.283 lb / in³), tib yam li feem ntau cov pa roj carbon thiab qis- alloy steels, uas yog qhov tseem ceeb rau kev ntsuas qhov hnyav hauv kev tsim engineering.
Lub melting point ntau ntawm SA517 Qib E yog dab tsi?
Nws cov ntsiab lus melting yog li 1450℃txog 1500℃(2642℃F txog 2732℃F). Qhov ntau yam no yog qhov tseem ceeb rau casting, forging, thiab vuam txheej txheem uas koom nrog melting cov khoom.
Dab tsi yog qhov hardness ntawm SA517 Qib E tom qab kev kho cua sov?
Tom qab quenching thiab tempering, nws Brinell hardness (HB) feem ntau yog 220-260. Qib hardness no sib npaug zog thiab machinability rau kev ua tom ntej.
Puas yog SA517 Qib E tiv taus corrosion?
Nws muaj nruab nrab corrosion kuj nyob rau hauv atmospheric thiab me me corrosive ib puag ncig. Rau qhov hnyav corrosive (xws li marine, tshuaj), kev tiv thaiv ntxiv (txheej txheem, galvanizing) yog xav tau.
Cov txheej txheem machining zoo li cas rau SA517 Qib E?
Nws tuaj yeem ua tiav los ntawm kev xa, milling, drilling, thiab sib tsoo. Kev siv siab - ceev steel lossis carbide cov cuab yeej nrog cov kua txiav kom zoo yog pom zoo los xyuas kom meej machining efficiency thiab nto zoo.
Dab tsi yog qhov yuav tsum tau elongation ntawm SA517 Qib E?
Qhov tsawg kawg nkaus elongation thaum so yog 16% (hauv 50 hli ntsuas qhov ntev). Qhov ductility no ua kom cov khoom tuaj yeem deform plastically ua ntej tawg, txhim kho cov qauv kev nyab xeeb.
Qhov txo qis ntawm cheeb tsam xav tau rau SA517 Qib E yog dab tsi?
Qhov tsawg kawg nkaus ntawm cheeb tsam yog 40%. Qhov kev ntsuas no qhia txog cov khoom siv lub peev xwm los ua kom tsis sib xws hauv qhov nro, qhia qhov zoo ductility thiab toughness.