ASTM A210 yog cov qauv kev qhia tshwj xeeb los ntawm Astm International uas npog hauv boiler superheaters, thiab lwm cov kev sib txuas hauv hluav taws xob nyob rau hauv kev lag luam thermal. Qhov kev qhia tshwj xeeb no yog qhov kev xaiv tseem ceeb rau cov khoom xaiv hauv qhov chaw siab uas muaj kev pab cuam qhov kev ntseeg thiab muaj kev ntseeg siab.
Cov qib hlau teev hauv A210 tau cais raws li cov hlau nruab nrab- Cov qhab nia ntau tshaj plaws nyob rau hauv cov specification yog:
* ** Qhov qib A210 A1: ** Qhov no yog cov qauv ua ke ntawm lub zog tensile zog thiab cov ntxig rau ntawm cov chaw kub.
* ** Qib A210 C: ** Cov qib kawm no zoo ib yam li Qib A1 hauv cov khoom siv tshuaj lom neeg thiab cov khoom siv neeg siv neeg. Qhov teeb meem tshwm sim feem ntau rau cov keeb kwm keeb kwm thiab ua kom haum nrog cov rooj sib tham sib txawv hauv ntau cov ntaub ntawv ua haujlwm.
Lub raj raj tsim tawm rau A210 tus qauv yog seamless, lub ntsiab lus lawv tau tsim los ntawm cov txheej txheem zoo li teb chaws teb lossis extrusion uas tsim lub plhaub halows yam tsis muaj kev xav txog welded. Qhov kev tsim kho no yog qhov tseem ceeb rau kev ua kom muaj zog thiab kev ntseeg siab thoob plaws hauv lub raj ntawm txoj kab kev pheej hmoo siab ntev thaum lub sij hawm tsis ua haujlwm ntev thaum muaj kev ntxhov siab thiab thermal ntxhov siab.
Cov yam ntxwv tseem ceeb thiab cov neeg xav tau teev hauv ASTM A210 cov lus qhia muaj xws li:
* ** Cov tshuaj xyaw: ** Nws nruj me ntsis txhais tau cov feem pua ntawm cov pa roj carbon, manganese, phosphorus, sulfur, silicon, thiab lwm yam alloying ntsiab. Qhov no tswj cov khoom siv chemistry yog qhov tseem ceeb rau kev ua tiav cov khoom siv uas xav tau thiab ua kom tau zoo weldability thiab kuj mus rau oxidation.
* ** Cov cuab yeej siv kho tshuab: ** Tus qauv teeb tsa cov kev xav tau rau tensile zog, tawm los lub zog, thiab elongation. Cov khoom tau lees tias cov hlab tuaj yeem tiv thaiv cov neeg kho tshuab thauj khoom thiab kev sib tw tau ntsib hauv kev pabcuam yam tsis muaj kev ua tiav lossis tsis ua tiav.
* ** Qhov seem tsis muaj kev zam txim rau sab nraud ntawm sab nraud ntawm lub taub, phab ntsa tuab, thiab ntev kom ntseeg tau tias muaj nuj nqi kom ntseeg tau thiab ua haujlwm hauv tshav kub.
* ** Hydrostatic Kuaj: ** Txhua lub raj yog yuav tsum tau yov tsis tau ib qho tsis- kev ntsuas hydrostatic sim siab dua nws npaj ua haujlwm siab. Qhov kev ntsuas no tau qhia txog lub raj muaj peev xwm los tuav lub siab thiab kuaj xyuas kom muaj dej tsis raug.
* ** Kev sim ntsuas hluav taws xob hluav taws xob: ** Ntxiv rau kev kuaj hydrostatic, cov hlab yog rau kev tshuaj xyuas qib tam sim no lossis ultrasonic kuaj rau ntau qhov ntim ntawm cov khoom siv.
Hauv cov ntsiab lus, Astm A210 txhais cov txheej txheem zoo thiab ua tau zoo rau chav kawm tseem ceeb ntawm Seamless cov tubing. Nws yuav tsum muaj cov khoom muaj pes tsawg leeg rau cov khoom muaj pes tsawg leeg, thiab kev sim kom ntseeg tau tias cov mob uas xav tau, thiab cov condensers hauv cov khoom siv hluav taws xob thiab lwm yam kev muaj teeb meem. Nws yog lub ntiaj teb tus qauv lees paub thiab ntseeg tau rau cov qauv kev ntseeg siab rau cov kws ua engineers, cov neeg tsim qauv, thiab cov tswj hwm hauv lub zog thiab cov txheej txheem kev lag luam.
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