- ASTM A516 Standard Specification rau Siab Vessel Phaj, Carbon Steel, rau Kev Pabcuam Nruab Nrab-thiab Kub Kub
ASME SA516 Qib 70 steel phaj yog lub siab-siab thiab kub-kub carbon steel phaj. Nws yog siv nyob rau hauv cov hlab ntsha siab, boilers, thiab lwm yam high-pressure daim ntaub ntawv uas yuav tsum tau ntau toughness thiab lub zog. Ib qho ntawm cov phaj hlau nrov tshaj plaws rau lub hom phiaj no yog ASME SA516 Qib 70 steel phaj, thiab S thiab P cov kev cai rau cov qib steel tau muab faib ua peb chav kawm: I, II, thiab III.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm ASME SA516 qib 70 steel phaj yog nws lub siab tawv. Lub phaj steel yog tsim los tiv thaiv kev kub ntxhov thiab kub kub, thiab nws muaj qhov zoo heev tawg thiab tawg tsis kam. Qhov no ua rau nws zoo meej rau cov hlab ntsha siab thiab lwm yam kev siv hluav taws xob siab uas xav tau kev nyab xeeb thiab kev cia siab. Lwm qhov txiaj ntsig yog nws qhov siab solderability. Cov hlau phaj tuaj yeem welded siv cov txheej txheem vuam ib txwm tsis muaj kev kho cua sov los yog tom qab vuam. Qhov no ua kom yooj yim rau kev tsim khoom thiab sib dhos ntawm cov hlab ntsha siab thiab lwm yam khoom siv siab.
ASME SA516 Qib 70 steel phaj yog tsim tshwj xeeb los tiv thaiv corrosion nyob rau hauv qhov kub thiab txias, ua rau nws zoo tagnrho rau kev lag luam petrochemical thiab roj av. Cov phaj hlau no tseem tiv taus hnav thiab tuaj yeem siv rau hauv kev xav tau kev ua haujlwm.
Chemical Composition (%) ntawm ASME SA516 Qib 70
Cov tshuaj muaj pes tsawg leeg ntawm ASME SA516 qib 70 steel phaj suav nrog cov khoom xws li carbon, manganese, phosphorus, sulfur thiab silicon.
| CHEMICAL COMPOSITION (%) | ||||
| C, max | Mn | P, max | S, max | Si |
| 0.30 | 0.79-1.30 | 0.035 | 0.035 | 0.13-0.45 |
Mechanical Properties ntawm ASME SA516 Qib 70
| MECHANICAL PROPERTIES | ||
| Tensile zog, MPa, min | Yield zog, MPa, min | Elongation (%), min |
| 485 | 260 | 17 |
ASME SA516 Qib 70 steel phaj feem ntau muaj nyob rau hauv ntau qhov tuab thiab dav kom haum rau ntau yam kev siv. ASME SA516 Qib 70 steel phaj kuj muaj nyob rau hauv ntau qib thiab ntau thiab tsawg, nyob ntawm daim ntawv thov. ASME SA516 Qib 70 steel phaj yog muaj nyob rau hauv ntau qib thiab cov qauv, suav nrog ASME SA516 Qib 70N, cov phaj zoo li qub rau kev siv cryogenic, thiab ASME SA516 Qib 70 HIC, hydrogen sulfide corrosion-resistant steel phaj.
A516 Gr.70N ua tau raws li qhov yuav tsum tau ua ntawm (ASME) ASTMA516/A516M tus qauv thiab ua tau raws li cov kev xav tau ntawm cov roj thiab cov pa uas muaj leej faj thiab cov ntsiab lus hydrogen, txo cov sulfur thiab hydrogen corrosion, txo cov khoom siv tu, thiab ua kom cov cuab yeej siv tau zoo. Cov hlau phaj muaj kev cuam tshuam zoo, tsis kub deformation, zoo vuam kev ua tau zoo, zoo qaug zog, zoo anti-lamination cracking kev ua tau zoo, micro-alloying, siab purity, tsawg carbon sib npaug, muaj zog hydrogen sulfide kuj, zoo dimension tolerances, thiab zoo nto. zoo.
ASME SA516 Qib 70 steel phaj kev kho cua sov yog qhov tseem ceeb rau nws cov kev ua tau zoo thiab kev ntseeg tau. Cov nplooj ntawv hlau yuav tsum tau kho cua sov kom ua tau raws li qhov xav tau ntawm cov khoom siv kho tshuab thiab kom tsis muaj qhov tsis raug thiab tsis zoo. Cov txheej txheem kev kho cua sov entails cua sov cov ntawv hlau mus rau qhov kub thiab txias thiab maj mam txias. Cov txheej txheem boosts steel phaj lub zog, hardness, thiab ductility, ua rau nws zoo tagnrho rau high-pressure thiab high-temperature daim ntaub ntawv. ASME SA516 Qib 70 steel daim hlau mus txog thiab suav nrog 1.5 in. (40 mm) tuab yog nquag muab raws li dov. Cov neeg siv khoom tuaj yeem xaiv ntawm cov khoom qub, kev ntxhov siab-txo, lossis ob qho tib si thiab cov phiaj xwm kev ntxhov siab. Phaj thicknesses ntau dua 1.5 nti (40mm) yuav tsum normalized. Cov phaj hlau uas muaj qhov tuab ntawm 1.5 nti (40 hli) yuav tsum tau ua kom zoo li qub thaum yuav tsum tau ntsuas qhov tawv tawv, tshwj tsis yog cov neeg siv khoom thov. Cov cua txias siab dua hauv huab cua yog qhov ua tau yog tias pom zoo los ntawm tus neeg yuav khoom, yog tias lub phaj yog ces tempered nyob rau hauv qhov 1100-1300 degree F ({19}} degree ) ntau.
Daim ntawv thov ntawm ASME SA516 Qib 70
SA516 Gr.70 yog dav siv hauv roj av, tshuaj lom neeg kev lag luam, chaw nres tsheb fais fab, boiler thiab lwm yam lag luam los ua reactors, heat exchangers, separators, spherical tanks, gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas. fwj, cov kav dej siab siab rau cov chaw nres tsheb hauv dej, cov dej turbine, thiab lwm yam khoom siv thiab cov khoom siv.
