Khoom Description
Raws li ib tug boiler steel phaj,ASTM A516 Gr70yog ncaj qha ntsig txog kev nyab xeeb thiab kav ntev ntawm kev ua haujlwm boiler, yuav tsum muaj kev tswj xyuas nruj thoob plaws tag nrho cov txheej txheem ntawm kev xaiv cov khoom, fabrication, installation, thiab txij nkawm.
ASME ntawv pov thawj, 6mm-300mm thickness.
Trusted A516 GR70 tus neeg muag khoom nrog kev xa khoom thoob ntiaj teb.
Mill-Test-Certificate-thiab-Certificate- ntawm- Keeb Kwm.PDF
Chemical Composition (ntau feem pua, %)
| Element | Txheem tus nqi | Tswj Lub Hom Phiaj |
| C | Tsawg dua lossis sib npaug li 0.27 | Xyuas kom weldability thiab qis -kub toughness, nrog carbon sib npaug Tsawg dua los yog sib npaug rau 0.45% |
| Mn | 0.85-1.20 | Txhim kho matrix thiab txhim kho lub zog thiab toughness |
| Si | 0.15-0.40 | Deoxidize, khoom - daws teeb meem ntxiv dag zog thiab txhim kho formability |
| P | Tsawg dua lossis sib npaug li 0.025 | Tswj cov ntsiab lus; Tsawg dua lossis sib npaug li 0.012% rau qib HIC |
| S | Tsawg dua lossis sib npaug li 0.025 | Txo kub tawg; Tsawg dua lossis sib npaug li 0.003% rau qib HIC |
| Al | Ntau dua lossis sib npaug rau 0.020 | Txhim kho cov nplej thiab txhim kho qis -kub los cuam tshuam toughness |
Muaj peev xwm muab khoom
Thickness: 6-300 hli
Dav: 1500-4050 mm
Ntev: 3000-15000mm
Kev xa khoom: Kub- dov, Normalized, Normalized + Tempered
Tus me nyuam Paub meej
1. Kev xa khoom thiab qhov chaw zoo
Txheej Txheem: Kub- dov, Normalized (rau grain refinement thiab txhim kho toughness)
Kev Kho Hniav: Sandblasting, pleev xim, galvanizing muaj raws li qhov kev thov kom ua tau raws li kev tiv thaiv corrosion thiab ntawm - qhov yuav tsum tau ua ntawm qhov chaw installation
2. Ntim thiab Thauj Khoom: Txhawb nqa ntim / ntim khoom thauj / tsheb thauj mus los. Muab COC, Certificate of Origin (Form A), Bill of Lading, thiab lwm yam ntaub ntawv pov thawj kev lis kev cai
3. Lub Sijhawm Lead Lub Sijhawm thiab Yam Tsawg Kawg (MOQ)
Tshuag: Cov khoom xa tuaj hauv 10-15 hnub
Kev cai lossis lwm yam: Kev xa khoom hauv 20-30 hnub
Fabrication
Kev Tswjhwm Txias
Thaum dov, lub vojvoog khoov yuav tsum ua raws li cov qauv. Thaum steel phaj thickness t Tsawg dua los yog sib npaug li 25 hli, lub vojvoog dabtsi yog khoov Ntau dua lossis sib npaug li 1.5t; Thaum t > 25 hli, lub vojvoog dabtsi yog khoov Ntau dua lossis sib npaug li 3t. Qhov no tiv thaiv cov kab nrib pleb uas tshwm sim los ntawm kev khoov ntau dhau.
Kev tswj kub ua haujlwm
Rau kev tsim kub, cua kub yuav tsum tswj ntawm 870-1100℃. Thaum lub sij hawm cua sov, tiv thaiv cov hlau phaj saum npoo los tiv thaiv cov nplais ntau dhau, uas tuaj yeem cuam tshuam cov vuam zoo tom qab. Tom qab- kev tsim kho, rov ua kom zoo li qub yuav tsum tau kho.
Txiav txheej txheem
Ua ntej CNC plasma txiav lossis laser txiav txheej txheem. Txiav cov npoo yuav tsum yog hauv av du kom tshem tawm burrs thiab slag, nrog tsawg kawg qhov sib txawv.
Kev teeb tsa
Tswj loads thaum lub sij hawm installation
Thaum nqa cov hlau phaj lossis cov khoom siv boiler, siv cov cuab yeej nqa tshwj xeeb los tiv thaiv cov hlua khi ncaj qha rau ntawm daim hlau, uas yuav ua rau muaj kev cuam tshuam hauv cheeb tsam lossis tawg. Tuav lub roundness ntawm lub plhaub boiler thaum lub sij hawm installation kom tsis txhob muaj kev ntxhov siab nyob rau hauv lub cheeb tsam vim cov duab tsis zoo.
nruj me ntsis txwv tsis pub tshaj - kub thiab dhau - kev ua haujlwm siab
Qhov siab tshaj plaws ua haujlwm kub rau ASTM A516 Gr70 boiler steel daim hlau yog 450℃(832℃F). Tshaj qhov kub no ua rau txo cov khoom siv zog thiab ua rau muaj kev cuam tshuam rau creep deformation. Kev ua haujlwm ntev tshaj qhov ntsuas kub yog txwv. Overpressure yog nruj me ntsis txwv tsis pub tshaj lub phaj siab ntsuas.
Kev tiv thaiv
Yog hais tias lub boiler nruab nrab muaj corrosive Cheebtsam, kev tiv thaiv yuav tsum tau siv. Qhov no suav nrog kev siv siab -kub resistant tiv thaiv - corrosion coatings rau lub boiler lub puab phab ntsa.
Kev tu
Kev soj ntsuam sab nraud
Pom zoo txhua xyoo los xyuas cov xeb, blistering, los yog deformation ntawm steel phaj nto, thiab rau leaks los yog tawg nyob rau hauv welds.
Kev tshuaj xyuas sab hauv
Pom zoo txhua 2-6 xyoo los tshuaj xyuas cov hlau phaj hauv cov khoom xws li cov nruas nthwv dej thiab cov phab ntsa dej txias rau kev xeb thiab kev ntxhov siab corrosion tawg.
Hydrotest
Ua ib qho hydrotest ntawm 1.25-1.5 npaug ntawm lub zog tsim. Tuav lub siab rau 30 feeb yam tsis muaj qhov xau lossis pom kev deformation kom paub meej tias lub siab muaj peev xwm ntawm steel phaj thiab welds.
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
Q: Yuav ua li cas txog MOQ? Yog kuv thawj qhov kev txiav txim me me, koj puas kam txais?
A: Peb yuav sim peb qhov zoo tshaj plaws los txhawb koj qhov kev txiav txim kom muaj nuj nqis, yog li txawm tias nws yog 1 daim lossis 1 kg, peb tuaj yeem pib koom tes; vim peb muaj kev ntseeg siab ua qhov kev txiav txim thib ob nrog lub tuam txhab.
Q: Yuav ua li cas kom zoo?
A: Lub Hoobkas kuaj daim ntawv pov thawj yog muab nrog cov khoom xa tuaj. Yog tias tsim nyog, kev tshuaj xyuas thib peb tuaj yeem lees txais.
Q: Yuav ua li cas txog koj tom qab- kev muag khoom?
A: Raws li lub tuam txhab kev tshaj lij steel export, peb muab kev txhawb nqa thiab kev txhawb nqa rau txhua yam lus nug thiab lus nug.
Cim npe nrov: astm a516 gr70 steel phaj rau boiler, Tuam Tshoj astm a516 gr70 steel phaj rau boiler lwm tus neeg
