SPV355 hais txog Japanese Industrial Standard (JIS) rausteel phaj rau siab hlab ntsha rau nruab nrab kub kev pab cuam. Nws yog dav siv nyob rau hauv cov roj av, tshuaj, thiab fais fab kev lag luam rau manufacturing reactors, tshav kub exchangers, thiab spherical tanks.
SPV yog qib siab ntawm cov hlab ntsha hlau uas tau teev tseg hauv cov qauv kev lag luam Japanese. Nws yog feem ntau siv rau kev tsim cov boilers, cia tso tsheb hlau luam, reactors thiab lwm yam khoom siv uas yuav tsum tau ua haujlwm nyob rau hauv siab thiab kub. Cov hlau yog tsim los muab kev sib xyaw ua ke zoo ntawm lub zog, toughness thiab weldability, tso cai rau nws kom muaj kev ntseeg tau zoo hauv kev xav tau ib puag ncig. Nws cov microstructure tau ua tib zoo tswj los ntawm cov txheej txheem xws li kev tswj dov thiab kev kho cua sov, uas yuav pab ua kom cov nplej loj thiab txhim kho tag nrho cov khoom siv kho tshuab. Qhov no ua rau cov khoom tsim nyog rau kev siv tseem ceeb uas kev nyab xeeb thiab kev ncaj ncees yog qhov tseem ceeb. SPV tau lees paub dav hauv kev lag luam lub nkoj siab rau nws qhov ruaj khov zoo thiab ua haujlwm zoo ib yam nyob rau hauv lub sijhawm ntev - cov kev pabcuam.
Chemical Composition thiab Mechanical Property
| Qib | C% | SI% | Mn% | P% | S% |
| SPV355 | 0.2 | 0.8 | 1.7 | 0.02 | 0.01 |
| Tsawg dua los yog sib npaug li 0.20 | Tsawg dua los yog sib npaug li 0.55 | Tsawg dua lossis sib npaug li 0.16 | Tsawg dua lossis sib npaug li 0.030 | Tsawg dua lossis sib npaug li 0.030 |
| Qib Steel | Yield Strength, rau cov khoom hauv mm, Mpa, min | Tensile zog, Mpa | Elongation, %, min | ||||
| SPV355 | 6<> | 50<> | 100<> | Tsawg dua los yog sib npaug li 16 | 16<> | >40 | |
| 355 | 335 | 315 | 520-640 | 14 | 18 | 21 | |
SPV Processing Flow
Kev npaj raw khoom:
Xaiv cov ntawv hlau uas tsim nyog uas ua tau raws li tus qauv yuav tsum tau ua, ua kev tshuaj xyuas kom tsis muaj qhov tsis xws luag xws li tawg los yog kev suav nrog, thiab txiav lawv mus rau qhov tsim nyog raws li qhov xav tau ntau lawm.
Cua sov:
Muab cov ntawv hlau tso rau hauv lub qhov cub cua sov, ua kom sov rau qhov kub thiab txias (tswj precisely) thiab ua kom sov rau ib lub sijhawm los ua kom cov qauv sab hauv thiab txhim kho plasticity.
Rolling:
Ua tswj dov ntawm cov khoom siv hluav taws xob uas siv cov dov mills. Kho dov ceev thiab siab ib kauj ruam los ntawm kauj ruam los tsim steel daim hlau ntawm yuav tsum tau thickness thiab loj, refining lub grain qauv.
Kev kho cua sov:
Ua cov txheej txheem quenching thiab tempering. Quench los txhim kho hardness thiab lub zog, ces temper kom txo brittleness thiab kom ruaj khov mechanical zog.
Ua tiav:
Ua raws li kev kho deg (derusting, tu), straightening, thiab txiav kom ntev. Ua qhov kev soj ntsuam zaum kawg ntawm qhov ntev, kev ua tau zoo thiab qhov chaw zoo kom ua tau raws li cov qauv xa khoom.
daim ntawv thov
Boiler Manufacturing:
Siv dav hauv kev tsim cov boilers, suav nrog dej - raj boilers, hluav taws kub - raj boilers thiab khib nyiab boilers. Nws yog tsuas yog siv rau cov khoom tseem ceeb xws li boiler drums, header kav thiab tshav kub exchangers, uas yuav tsum tau dais siab kub thiab siab rau lub sij hawm ntev los xyuas kom meej lub ruaj khov boiler system.
Siab Vessel Production:
Cov khoom tseem ceeb rau kev tsim cov hlab ntsha hauv cov roj av, tshuaj lom neeg, roj thiab lwm yam lag luam. Nws yog qhov tsim nyog rau cov nkoj uas khaws cia, thauj lossis hnov mob nrog cov nruab nrab xws li siab - cov pa roj, cov tshuaj ua kua thiab cov nkev, xws li lub tank cia, reactors thiab cov khoom sib cais.
Cov Khoom Siv Petrochemical:
Siv rau hauv kev tsim cov cuab yeej tseem ceeb hauv cov chaw ua haujlwm petrochemical, suav nrog hydrogenation reactors, catalytic cracking khoom thiab cov kav dej. Cov cuab yeej siv no feem ntau ua haujlwm hauv qhov chaw hnyav xws li kub siab, siab siab thiab nruab nrab corrosive, thiab SPV tuaj yeem ua tau raws li lawv cov kev xav tau.
Thermal Power Generation Equipment:
Siv rau qhov tseem ceeb ntawm thermal fais fab nroj tsuag, xws li chav turbines, condensers thiab pipeline manifolds. Nws tuaj yeem tiv taus qhov cuam tshuam ntawm qhov kub siab - kub thiab siab - siab zog, ua kom muaj kev nyab xeeb thiab ua haujlwm zoo ntawm cov khoom siv hluav taws xob.
Marine Engineering khoom:
Siv nyob rau hauv zus tau tej cov marine boilers, siab hlab ntsha thiab offshore platform txhawb cov khoom. Nws muaj kev hloov tau zoo rau marine ntsev tsuag corrosion thiab complex kub hloov, ua tau raws li cov kev cai tshwj xeeb ntawm marine engineering.
Vim li cas thiaj xaiv peb:
Koj tuaj yeem tau txais cov khoom zoo meej raws li qhov koj xav tau ntawm tus nqi tsawg kawg nkaus.
Peb kuj muab Reworks, FOB, CFR, CIF, thiab qhov rooj rau qhov rooj tus nqi xa khoom. Peb xav kom koj ua deal rau shipping uas yuav zoo heev.
Cov ntaub ntawv uas peb muab yog muaj tseeb tiag, txoj cai los ntawm raw cov ntaub ntawv xeem daim ntawv pov thawj mus rau qhov kawg dimensional nqe lus.
Peb lav muab cov lus teb tsis pub dhau 24 teev (feem ntau hauv tib lub sijhawm)
Koj tuaj yeem tau txais cov khoom hloov pauv, zeb xa khoom nrog txo lub sijhawm tsim khoom.
Peb tau mob siab rau peb cov neeg siv khoom. Yog tias nws yuav tsis tuaj yeem ua tau raws li koj cov kev xav tau tom qab kuaj xyuas tag nrho cov kev xaiv, peb yuav tsis ntxias koj los ntawm kev cog lus tsis tseeb uas yuav tsim kev sib raug zoo rau cov neeg siv khoom.
Tiv tauj peb ntawm beam@gneesteelgroup.com rau tus nqi, kev txhawb nqa, lossis kev daws teeb meem. Peb yeej ib txwm npaj los txhawb koj qhov project.
Dab tsi yog qhov txawv ntawm SPV355 thiab Q355 steel?
SPV355 yog tshwj xeeb rau cov hlab ntsha siab, nrog kev nruj nruj thiab kev ua kom huv si; Q355 yog cov qauv hlau dav dav, feem ntau yog siv rau cov tsev thiab txuas hniav, nrog rau cov xwm txheej sib txawv thiab cov qauv kev qhia tshwj xeeb.
Yuav tshuaj xyuas qhov zoo ntawm SPV355 steel daim hlau li cas?
Kev tshuaj xyuas zoo ntawm SPV355 suav nrog tshuaj lom neeg kev tshuaj ntsuam xyuas, kev ntsuas cov cuab yeej cuab yeej (tensile, tawm los, cuam tshuam), kuaj pom qhov tsis zoo, kuaj pom, thiab lwm yam, txhawm rau ua raws li cov qauv kev cai.
SPV355 puas tuaj yeem siv rau qhov kub thiab txias?
SPV355 tuaj yeem siv rau ntawm qhov kub nruab nrab, tab sis nws qhov cuam tshuam toughness txo qis ntawm qhov kub tsis tshua muaj siab. Rau qis- cov hlab ntsha kub siab, qis- cov qib kub tiv taus ntawm SPV355 lossis kev kho tshwj xeeb yog xav tau.
Lub hardness ntawm SPV355 yog dab tsi?
Brinell hardness ntawm SPV355 feem ntau yog nyob nruab nrab ntawm 137-179 HB. Zoo hardness xyuas kom cov hlau phaj muaj qhov sib npaug zoo ntawm lub zog thiab toughness, yooj yim rau kev ua thiab sib sau.
Yuav ua li cas cov txheej txheem tsim nyog rau SPV355?
SPV355 yog tsim rau kev txiav, khoov, stamping, vuam thiab lwm yam kev ua. Thaum ua tiav, qhov kub thiab ceev yuav tsum tau tswj kom tsis txhob cuam tshuam nws cov khoom siv kho tshuab.
Qhov siab tshaj plaws ua haujlwm kub ntawm SPV355 yog dab tsi?
Qhov siab tshaj plaws kev nyab xeeb kev khiav hauj lwm kub ntawm SPV355 yog feem ntau nyob ib ncig ntawm 450 degree. Tshaj qhov ntsuas kub no yuav ua rau txo qis hauv nws lub zog thiab tawv, ua rau muaj kev phom sij rau kev nyab xeeb ntawm cov hlab ntsha.
Puas yog SPV355 xav tau kev kho cua sov tom qab vuam?
SPV355 feem ntau yuav tsum muaj kev ntxhov siab rau kev kho cua sov tom qab vuam kom tshem tawm cov kev ntxhov siab uas nyob hauv vuam, txo qhov kev pheej hmoo ntawm cov kab nrib pleb, thiab txhim kho cov qauv kev ruaj ntseg thiab kev pab cuam lub neej ntawm lub workpiece.
Dab tsi yog qhov ceev ntawm SPV355?
Qhov ceev ntawm SPV355 yog hais txog 7.85 g / cm³, tib yam li cov pa roj carbon zoo tib yam thiab qis - alloy steel. Tus nqi ntom ntom no tau siv dav hauv kev xam qhov hnyav thaum lub sij hawm tsim cov hlab ntsha thiab kev tsim khoom.
Dab tsi yog qhov yuav tsum tau elongation ntawm SPV355?
Qhov tsawg kawg nkaus elongation ntawm SPV355 yog 21% (tom qab tensile xeem). Zoo elongation ua kom cov hlau phaj tuaj yeem ua rau cov yas deformation tsis tawg thaum lub sij hawm tsim thiab siv.
SPV355 puas tuaj yeem siv los ua boiler nruas?
Yog lawm, SPV355 yog cov khoom siv zoo tshaj plaws rau boiler nruas. Nws lub zog siab, zoo toughness thiab siab -cov kabmob muaj peev xwm ua tau raws li qhov yuav tsum tau ua ntawm boiler nruas rau kev ua haujlwm kub thiab siab.