kadak kelele steel

kathor steel hii sandnya anekada madhyam kinwa uchch carbon steelsathi vaparali jaate jyala ushnata upchar aanee nantar shaman aanee nantar tempering dile jaate. shamnamule metastable martensite tayar hote, jyacha ansh tempering darmyan ichchit pramanat qamee hoto. sadhane aanee yantrache bhag yasarkhya tayar vastunsathi hii sarvat samanya sthitee aahe. yaulat, enil kelelya sthiteet teech polad rachana tayar karnyasathi aanee yantrasathi aavashyakatenusar mauu asate.
poladache tapman aanee rachana yavar avalambun, teey kadak kinwa mauu kele jaau shakate. polad katheen karnyasathi, too khoop uchch tapmanat garam karane aavashyak aahe. steel kitee katheen hote yacha antim parinam dhatoot asalelya carbonchya pramanavar avalambun asato. carbonche praman jaast asalelya steelalach kadak aanee saumya kele jaau shakate. jarr ekhadya dhatoot aavashyak pramanat carbon nasel, tarr tyachi sfatikeey rachana modata yet nahee aanee tyamule poladachi bhautik rachana badalali jaau shakat nahee.
anekada, 'kadak karane' haah shabd tempered steelshee sambandhit asato. polad kadak kartana donhi prakriya hatat haat ghaloon vaparlya jaatat. done bhaganchi prakriya steel kadak karoon suru hote jenekarun teey katheen hoil aanee kalantarane teey ghasarat nahee. tathapi, tathapi, hii prakriya poladala atishay thisul aanee vaparadarmyan tutanyachi shakyata nirman karate. temperingmule banavat poladachi kadakpana agadi kinchit qamee hote parantu ekoon utpadan sudharate kaaran tyamule polad khoop qamee thisul hoto.
kadak aanee saumya karane.
kadak karane aanee taap aanane yaa done pramukh prakriyanche chaar pramukh pramukh vibhajan kele jaau shakate. pratham, carbon steelcha eka tukada mishradhatuchya nirnayak tapmanachya varr tapmanaparyant pohocheparyant haloohaloo garam keela jaato. tyanantar polad samanyatah panyat kinwa telat vizavla jaato (jaree khaare kinwa soodiyam hydroxide dravnansarkhya itar shamanancha vapar kadhikadhi vishisht parinam sadhya karnyasathi keela jaato). polad aata tyaa mishradhatuchya kamal kadakpanavar aahe, parantu varr sangitalyapramane, thisul dekhil aahe. yaa tappyavar, kathorata aanee kathoratecha adhik upayukt samtol sadhanyasathi samanyatah tempering kele jaate. samanyatah mishradhatuchya nirnayak tapmanapeksha lakshaniyaritya qamee tapmanat, ichchit tapman rung kadhale jaiparyant polad haloohaloo garam keela jaato. temper spectrummadhil vegvegale rung kathoratepasun kathorateparyantche vegvegale santulan pratibimbit karatat, tyamule vegvegalya vaparasathi vegvegalya temper levels yogya aahet. tyanantar ichchit patalivar taap 'nishchit' karnyasathi polad punha vizavla jaato. eka pratibhavan smith kinwa dhatoo kamgar keval temper ranganchya kaljipurvak nirikshanavar aadharit steelchya sadhanachi kinwa vastuchi kamgiri tantotant aavashyakatenusar uttam prakare julavun gheu shakato. yaa prakriyeche drushya pratinidhitva hii sankalpana samajoon ghene sope karoo shakate.
kathor steelsathi chachani.
steelkade fakt pahoon, tyala kadak aanee saumya karanyachi prakriya jhaali aahe qee nahee heey tharvane sope nahee, parantu eka vishvasarh aanee sopee chachani aahe. poladachya tukadyache parikshan karnyasathi, eka haat file midwa aanee nivadalelya dhatuchi eka dhaar bhara. jarr poladachya tukadyala kadak karanyachi prakriya jhaali nasel, tarr dhatuchi file sahajpane namunyat 'chavoon' gelee pahije. jarr dhatoo kadak keela asel, tarr file namunyat kapanyat ayashasvi hote aanee qamee drishyaman prabhavasah bund disate.
qamee carbon steel (0.5-1.5% carbon samagri) pasoon suru suru cases kathor vastoonna dekhil kathor steel asey label kele jaau shakate.

