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Kev tsom xam ntawm kev ua tiav ntawm 904L steel hlau

Jul 28, 2020

904L stainless hlau yog ib hom super austenitic stainless hlau nrog tsawg cov ntsiab lus. Nws muaj kev txhim kho zoo corrosion hauv dilute sulfuric acid. Qhov sib ntxiv ntawm tooj liab ua rau nws muaj zog acid tiv thaiv. Nws yog tshwj xeeb uas tsim rau hnyav kev mob xeb. Yog li no, hom hlau stainless no tsuas yog siv hauv kev tsim cov khoom siv tshuaj thaiv kev siab. Cov lus sib xyaw ntawm 904L yog feem ntau yog tsim los ntawm Cr, Ni thiab lwm yam, uas nyuaj rau tshuab thiab muaj tshuab tsis zoo. Cov laj thawj tseem ceeb muaj raws li hauv qab no.

1. Qhov txiav txiav ntawm 904L steel hlau yog siab dua li ntawm lwm yam hom steel hlau. Txawm hais tias qhov nyuaj ntawm 904L tsis siab (70 ~ 90hrb), nws muaj cov khoom zoo yas, elongation ≥ 40%, txo thaj tsam ≥ 50%, tensile lub zog бb≥ 490mpa, tawm dag zog б0.2 ≥ 216mpa, yog li cov yas deformation yog loj hauv cov txheej txheem txiav thiab txiav txiav tau nce.

2.Lub nti tsis yog yooj yim khoov thiab tawg. 904L stainless hlau muaj cov elongation siab, yog li cov nti tsis yooj yim khoov thiab tawg thaum txiav. Yog hais tias kev ntsuas tsim nyog tsis raug coj mus, cov txheej txheem ib txwm yuav raug cuam tshuam, thiab machined nto yuav yooj yim kos, thiab txawm tias qhov txiav rau sab nrauv yuav chipped thiab puas.

3.Nws yog qhov yooj yim rau daim ntawv khib nyiab. Vim tias lub siab tawv ntawm 904L stainless hlau, nws muaj cov khoom sib zog nrog cov khoom siv hauv cov txheej txheem txiav. Thaum txiav, pem hauv ntej txiav nplaim ntawm lub cuab yeej muaj kev sib txhuam muaj zog nrog cov hlau hauv qab ntawm lub nti. Raws li qhov kev txiav txim siab ntawm qhov kub thiab txias siab, qhov teeb meem adhesion yuav tshwm sim thiab nti accretion yuav tsim tawm. Nws yog qhov nyuaj kom tau txais cov machined nto nrog qhov siab saum npoo yuav tsum tau ua.

4.Tsawg cov thermal conductivity. Lub thermal conductivity ntawm 904L stainless hlau yog 12.9w / (m · K) ntawm 20 ℃, thiab cov thermal conductivity tsuas yog kwv yees li 1/4 ntawm ntawm 45 steel (lub thermal conductivity ntawm 45 steel yog 47.5w / (m · K) )). Thermal conductivity yog ib qho ntawm cov xwm txheej uas cuam tshuam rau kev txiav cua sov. Qhov qis dua qhov thermal conductivity ntawm cov khoom tiav, cov cua sov tsawg yuav raug muab tshem tawm los ntawm nti thiab haujlwm, thiab cov cua sov ntau ntxiv ntawm lub cuab yeej, uas ua rau lub cuab yeej hnav tau yooj yim.

Vim tias cov yam ntxwv saum toj no ntawm 904L stainless hlau, thaum siv cov cuab yeej sib txawv thiab cov txheej txheem ib txwm los txiav nws, txawm tias qhov txiav tsis loj heev, cov cuab yeej tseem yooj yim hnav, cov ua hauj lwm efficiency yog tsawg, thiab cov haujlwm ua haujlwm nyuaj. kom ua tiav qhov saum npoo ntawm kev ntxhib los mos thiab kev siv lub tshuab ua kom raug los ntawm kev kos duab.

Thov xa email rau:sxthsteel@sxth-group.comkom kawm paub ntau ntxiv.

Shaanxi Tonghui Steel Co., Ltd, raws li Tuam Tshoj cov tuam txhab ua lag luam uas tau faib rau kev faib tawm, kev ua thiab coj mus muag thestainless steel kav / cov ntawv / coils / bar / profile / haum / xaim, thiab lwm yam rau ntau xyoo.


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