Khoom Description
ASTM A516 GR 70yog tus qauv tsim los ntawm American Society for Testing and Materials (ASTM) uas qhia cov pa roj carbon steel phaj rau kev siv lub nkoj siab. A516Gr70 yog qib tshwj xeeb hauv cov qauv no thiab feem ntau siv rau cov hlab ntsha kub thiab siab siab hauv ntau yam kev lag luam. Cov qib ntawm cov hlau no muaj zog tensile siab thiab corrosion kuj, ua rau nws haum rau siv nyob rau hauv huab mob. A516 Gr70 steel phaj yog siab -lub zog, qis- alloy steel phaj rau boiler siab hlab ntsha. ASTM A516 Gr70 yog dav siv nyob rau hauv siab - kub thiab siab - cov hlab ntsha hauv cov roj, roj, tshuaj, hluav taws xob nuclear, thiab ntau yam kev lag luam.
'A'
A qhia tau hais tias lub phaj haum rau cov hlab ntsha siab raws li tau hais los ntawm American Standard (ASME), ib qho lus luv rau American Society of Mechanical Engineers, uas tsim cov qauv uas tau lees paub thiab siv thoob ntiaj teb.
'516'
Qhia tau tias lub phaj belongs rau American Boiler thiab Pressure Vessel Steel Series thiab muaj lub zog tensile yam tsawg kawg nkaus ntawm 516 MPa. Txawm li cas los xij, hauv kev xyaum, lub zog tensile ntawm A516Gr70 phaj feem ntau yog siab dua.
'Gr70'
Qhia tias cov hlau phaj muaj cov khoom siv qib Gr70, piv txwv li, nws muaj cov tshuaj lom neeg muaj pes tsawg leeg thiab cov cuab yeej cuab tam.Gr70 yog ib txoj hauv kev qhia qhov tensile lub zog ntawm cov phaj steel, nrog 70 sawv cev rau tensile lub zog ntsuas ntawm 70ksi (txhiab phaus ntawm quab yuam / square inch), uas yog kwv yees li 4.
Peb lub tuam txhab muab cov khoom ua raws li tus qauv no. Yog tias koj xav paub ntau ntxiv, thov xa email rau peb!
Video
Tshuaj muaj pes tsawg leeg
|
Element |
Txuj Kev Cai |
Function thiab Description |
|
Cov pa roj carbon (C) |
Tsawg dua lossis sib npaug li 0.27% |
Tswj cov ntsiab lus kom sib npaug zog thiab weldability; Cov ntsiab lus ntau dhau yuav txo qhov weldability thiab toughness |
|
Manganese (Mn) |
0.85-1.20% |
Kev daws teeb meem ntxiv dag zog los txhim kho cov khoom siv zog thiab toughness; ua ke nrog sulfur los ua MnS los tiv thaiv kub brittleness |
|
Phosphorus (P) |
Tsawg dua lossis sib npaug li 0.025% |
Khoom tsim teeb meem; nruj me ntsis tswj cov ntsiab lus kom tsis txhob txias brittleness ntawm cov khoom |
|
Sulfur (S) |
Tsawg dua lossis sib npaug li 0.025% |
Khoom tsim teeb meem; Cov ntsiab lus ntau dhau yuav txo qhov cuam tshuam toughness thiab ua rau kub brittleness |
|
Silicon (Si) |
0.15-0.40% |
Siv los ua deoxidizer los txhim kho cov khoom siv zog thiab oxidation kuj |
|
Aluminium (Al) |
Ntau dua los yog sib npaug rau 0.02% (Tua Hlau) |
Refines lub grain qauv, ho txhim kho cov khoom toughness thiab txo brittleness |
|
Carbon sib npaug (Ceq) |
Tsawg dua lossis sib npaug li 0.45% |
Ntsuas weldability; tus nqi qis dua, qhov zoo dua qhov weldability |
Mechanical Properties
|
Performance Indicator |
Txuj Kev Cai |
Cov Lus Qhia Ntxiv |
|
Yield zog (σs) |
Ntau dua lossis sib npaug rau 260MPa (38ksi) |
Thaum thickness Tsawg dua los yog sib npaug rau 25mm, nws tuaj yeem ncav cuag Ntau dua lossis sib npaug ntawm 415MPa (70ksi); kev ua tau zoo yog zoo dua nyob rau hauv lub xeev normalized |
|
Tensile zog (σb) |
485-620MPa (70-90ksi) |
Transverse tensile xeem, ua raws li ASTM A20 cov cai |
|
Elongation |
Ntau dua lossis sib npaug li 21% (50mm gauge); Ntau dua lossis sib npaug li 23% (200mm gauge) |
Elongation tom qab tawg, muaj kev cuam tshuam zoo ductility ntawm cov khoom |
|
Charpy V-Ntch Impact Energy |
Ntau dua lossis sib npaug rau 27J @ -29℃(-20℃F) |
Kev cuam tshuam kev ua haujlwm ntawm qhov kub qis xws li -46℃tuaj yeem kho raws li qhov xav tau |
|
Bending Test |
180℃Tsis muaj Crack (t Tsawg dua lossis sib npaug li 20mm) |
Xyuas kom cov khoom muaj formability zoo, haum rau siab hlab ntsha dabtsi yog khoov txheej txheem |
|
Hardness (HB) |
Tsawg dua lossis sib npaug rau 187HB |
Tus nqi zoo, tuaj yeem ua tau zoo -tuned raws li lub xeev kho cua sov |
Peb cov khoom
Qhov tseem ceeb ntawm ASTM A516 GR 70
Advantage 01
Tshwj xeeb qis -kub toughness
Advantage 02
Weldability zoo heev
Advantage 03
Cov khoom siv sib xws
Advantage 04
Kev tswj kom zoo
Advantage 05
Tus nqi -kev ua tau zoo thiab ntau yam
Advantage 06
Zoo corrosion kuj
Peb Qhov Chaw Ua Haujlwm Loj
1. Kev lag luam Petrochemical
ASTM A516 GR 70 feem ntau yog siv rau hauv kev tsim ntau lub nkoj siab thiab cov tso tsheb hlau luam, suav nrog LPG cia tso tsheb hlau luam, ammonia cia tso tsheb hlau luam, liquefied gas cia tank, hydrogenation reactor shells, distillation kab, tshav kub exchangers, natural gas desulfurization towers, thiab kua qaub roj thiab gas kis pipelines. Hauv qhov project Sichuan Pugang Gas Field, 130 mm tuab hydrogen -resistant A516 GR 70 steel daim hlau tau ua tiav nyob rau hauv siab - cov cuab yeej siv siab thiab tau ua haujlwm nyab xeeb rau lub sijhawm ntev.
2. Kev lag luam fais fab thiab Nuclear fais fab
A516 GR 70 yog tsim rau kev tsim khoom ntawm ntau yam khoom siv hauv thermal fais fab nroj tsuag thiab nuclear fais fab nroj tsuag, xws li boiler nruas, chav kav, nuclear reactor siab hlab ntsha, nuclear auxiliary khoom, thiab LNG cia tso tsheb hlau luam (muaj peev xwm tiv taus ultra- kub ntawm -162℃). Nws tuaj yeem tiv taus kev ua haujlwm hnyav xws li kub siab, siab siab, thiab hluav taws xob neutron. Lub nkoj siab tsim los ntawm A516 Gr70 ntawm qee qhov chaw tsim hluav taws xob nuclear tau ua haujlwm rau 15 xyoo tsis muaj kev tawg lossis deformation, ua tau raws li cov qauv kev nyab xeeb ntawm International Atomic Energy Agency (IAEA).
3. Shipbuilding thiab Offshore Engineering
A516 Gr70 steel daim hlau yog siv los tsim cov qauv nkoj nkoj, sib sib zog nqus- cov khoom siv dej hiav txwv, cov khoom siv hluav taws xob, thiab LPG lub tank. Nws muaj peev xwm tiv taus cov cheeb tsam hauv hiav txwv uas muaj cov dej hiav txwv corrosion, tsis kub thiab muaj kev cuam tshuam loj. Cov tsheb thauj mus los ntawm qee lub LPG cov neeg nqa khoom, tsim siv A516 Gr70 daim hlau, tau ua haujlwm tau 5 xyoos yam tsis muaj dej xau, ua tau raws li cov cai ntawm IMO Resolution A.328.
Quality Certification thiab Assurance
Ntawv pov thawj:Peb cov khoom ua raws li ISO 9001 Kev Tswj Xyuas Kev Tswj Xyuas Zoo, thiab peb tuaj yeem muab cov ntawv tshaj tawm thib peb ntawm - tog neeg.
Cov ntaub ntawv pov thawj:Txhua batch ntawm cov khoom tuaj nrog ib daim ntawv pov thawj cov ntaub ntawv, xyuas kom meej traceability ntawm raw cov ntaub ntawv, ntau lawm txheej txheem, thiab xeem tau.
Kev kuaj tshwj xeeb:Kev kuaj ntxiv tuaj yeem ua tau raws li cov neeg siv khoom thov.
Tom qab-Kev Pabcuam Muag:Peb lub tuam txhab muaj ib pab neeg ua haujlwm siab uas muab kev sab laj kev tshaj lij thiab kev taw qhia txog kev xaiv cov khoom. Peb muab cov lus teb sai thiab cov kev daws teeb meem rau cov khoom lag luam teeb meem zoo, ua tib zoo saib xyuas cov neeg siv khoom thoob plaws hauv cov txheej txheem, thiab xyuas kom meej tias kev ua haujlwm zoo ntawm koj cov khoom.
Tiv tauj peb
Yog tias koj xav tau cov ncauj lus ntxaws ntxaws, tus nqi, lossis cov ntaub ntawv ntawm cov khoom tam sim no rau A516 Gr70, lossis yog tias koj muaj kev cai hloov kho, thov koj xav tiv tauj peb txhua lub sijhawm. Peb yuav muab cov lus qhia txog kev xaiv cov khoom lag luam rau koj, cov lus hais raug, thiab ua haujlwm tau zoo tom qab - kev muag khoom los xyuas kom meej tias koj cov khoom ua haujlwm zoo.
Hotline:+86 158 3721 2056
Email: info@chinasteelcompany.com
Peb Cov Ntawv Pov Thawj
FAQ
Q: Koj cov nqe lus them nqi yog dab tsi?
A: Peb cov nqe lus them nqi: 30% T / T tso nyiaj thiab 70% ntawm daim B / L lossis L / C thaum pom, ua ntej koj them qhov nyiaj tshuav. Peb yuav qhia koj cov khoom thiab ntim cov duab.
Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Feem ntau, nws yuav siv sijhawm 10-15 hnub ua haujlwm rau Tshuag, thiab 20-30 hnub ua haujlwm yog tias tsis muaj Tshuag. Raws li qhov kev txiav txim kom muaj nuj nqis
Q: Koj puas tuaj yeem txais customization?
A: Yog. Tau customized raws li tus neeg yuav tsum tau muaj
Cim npe nrov: astm a516 gr 70, Tuam Tshoj astm a516 gr 70 lwm tus neeg
