Oil Medium Classification & Dedicated Heater Material Selection Guide

May 07, 2026

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Oil Medium Classification & Dedicated Heater Material Selection Guide

Universal stainless hlau cua sov tubes tsis tuaj yeem hloov mus rau ntau hom kev lag luam roj cua sov qhov xwm txheej, thiab kev xaiv cov khoom siv tsis sib xws yog thawj qhov ua rau lub neej luv ntawm lub tshuab cua sov. Cov khoom siv roj sib txawv muaj qhov sib txawv ntawm qhov kub thiab txias, acidity, viscosity thiab corrosion yam ntxwv, xav tau cov khoom siv los tiv thaiv kev sib tsoo los tiv thaiv nruab nrab yaig thiab thermal aging. Kev lag luam pov thawj pom zoo ua tiav cov txheej txheem xaiv cov khoom siv rau cov khoom siv roj, thiab cov thermocouple ntev -lub sij hawm ntsuas kub tuaj yeem txheeb xyuas qhov kev hloov pauv ntawm cov khoom sib txuam hauv kev ua haujlwm tiag tiag.

Thermal roj yog dav siv nyob rau hauv industrial circulating cua sov systems, yam ntxwv los ntawm tas mus li siab - kub ua hauj lwm thiab me ntsis tshuaj corrosivity. Ntev - lub sij hawm siab - kub circulating cua sov yooj yim induces intergranular corrosion thiab cov khoom siv qaug zog ntawm cov hlau stainless zoo tib yam . 321 stainless hlau ua cov khoom tsim nyog tshaj plaws rau cov roj cua kub cua sov. Cov khoom titanium ntxiv rau hauv 321 cov khoom siv mis zoo inhibits siab -kub carbide nag lossis daus ntawm cov ciam teb, tiv thaiv intergranular corrosion thiab thermal qaug zog puas tsuaj. Nws tuav ruaj khov kev ntseeg siab thiab nto tiav nyob rau hauv ntev - lub sij hawm siab - kub thermal roj ib puag ncig, zoo ncua corrosion thiab thaum ntxov laus.

Cov roj hydraulic ua haujlwm nyob rau hauv nruab nrab - qhov kub thiab qis - ib puag ncig corrosion nrog cov cai nruj antioxidant. Qhov tseem ceeb ntawm hydraulic roj cua sov yog kom tsis txhob oxidation ntawm cov khoom thiab impurity nag lossis daus ua paug roj zoo . 304 stainless hlau nrog sib npaug kev ua tau zoo txig adapts rau hydraulic roj ua hauj lwm tej yam kev mob. Nws muaj qhov zoo heev - kub oxidation tsis kam thiab ruaj khov tshuaj inertness nyob rau hauv nruab nrab kub, yuav tsis tsim hlau oxide ntog tawm mus ua paug hydraulic roj, thiab tswj cov roj huv si zoo thaum ua kom lub cua sov durability. Kev lag luam thiab kev ua haujlwm ruaj khov ua rau 304 stainless hlau tus qauv teeb tsa rau hydraulic roj cua sov tshuab.

Kev noj roj cua sov ntsib ob txoj kev sib tw ntawm acidic nruab nrab corrosion thiab siab -kub coking. Khoom noj khoom haus- qib roj muaj cov khoom siv acidic thiab ua rau cov pa roj carbonization sai thiab ua kom muaj zog nyob rau hauv lub zos overheating. Ordinary 304 thiab 321 stainless hlau tsis muaj cov kua qaub tiv thaiv thiab tsis tuaj yeem zam ntev -lub sij hawm pitting puas. 316 stainless hlau nrog hloov kho molybdenum alloy mis muaj kev tiv thaiv zoo rau acidic nruab nrab thiab chloride corrosion, tuav lub raj du kom txo coking adhesion. Nws ua tau raws li cov zaub mov - qib kev nyab xeeb cov qauv thiab yoog raws qhov kub thiab txias hloov pauv hauv cov khoom siv roj noj.

Cov roj hnyav thiab asphalt yog cov khoom siv hluav taws xob muaj cua sov uas muaj viscosity siab thiab muaj zog corrosivity. Cov xov xwm zoo li no muaj cov sulfur compounds thiab ntau yam corrosive impurities, thiab siab - kub cua sov yuav ua rau cov tshuaj yaig thiab nplaum coking deposition. Ordinary stainless hlau cov ntaub ntawv yuav raug kev txhim kho sai, perforation thiab scaling tsis ua hauj lwm. Incoloy 800 npib tsib xee-raws li alloy yog tsuas yog siv rau cov roj hnyav thiab asphalt cua sov qhov xwm txheej, nrog rau siab heev -kub oxidation kuj thiab sulfur corrosion kuj. Nws tiv taus qhov nruab nrab muaj zog yaig thiab nplaum nplaum nplaum nyob rau hauv ultra- kub thiab siab - viscosity ua haujlwm.

Cov khoom sib xyaw ua ke raws li cov khoom siv roj nruab nrab yog txoj cai tseem ceeb ntawm kev xaiv roj rhaub. Qhov muag tsis pom kev siv khoom siv thoob ntiaj teb yuav ua rau muaj kev hloov pauv tsis zoo thiab ua tsis tiav ntxov. Cov khoom tsim nyog kho dua tshiab lub hom phiaj nruab nrab cov yam ntxwv tuaj yeem ua rau kev ua haujlwm ruaj khov. Kev cob qha roj cua kub customization schemes ua ke nrog thermocouple precision kub tswj tau tag nrho daws teeb meem nruab nrab adaptation thiab txuas ntxiv cov khoom siv lub neej.

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