Cov kav dej hlau raug faib ua pawg raws li cov khoom siv li cas?
Cov kav hlau tuaj yeem muab faib ua cov hlau tsis yog ferrous thiab cov kav hlau alloy, cov kav hlau carbon ib txwm, thiab lwm yam raws li lawv cov ntaub ntawv. Cov kav hlau sawv cev suav nrog cov kav hlau alloy seamlessASTM A335 P5, cov yeeb nkab hlauASME A106 GRB
Cov kav dej hlau raug faib ua pawg li cas raws li lawv cov duab txiav?
Cov kav hlau tuaj yeem muab faib ua cov kav puag ncig thiab cov kav tshwj xeeb raws li lawv cov duab hla.
Cov yeeb nkab hlau raug faib ua pawg li cas raws li qhov xwm txheej ntawm qhov kawg ntawm cov yeeb nkab?
Teb: Lub raj tiaj tus thiab lub raj xov (lub raj xov)
Cov kav dej hlau raug faib ua pawg li cas raws li txoj kab uas hla thiab phab ntsa?
①Thick-walled raj (D/S <10) ②Thick-walled raj (D/S = 10 ~ 20) ③Thin-walled raj (D/S = 20 ~ 40) ④Thick-walled raj heev
(Hnub/Hnub Tim>40)
Qhov piv ntawm txoj kab uas hla mus rau phab ntsa qhia txog qhov nyuaj ntawm kev tsim cov yeeb nkab hlau.
Cov hom thiab cov lus qhia ntawm cov kav hlau tsis muaj seamless tau cim li cas?
Cov lus qhia ntawm cov kav hlau tsis muaj seamless yog qhia los ntawm cov qhov ntev ntawm sab nraud, phab ntsa tuab thiab ntev, xws li 76mm × 4mm × 5000mm seamless
Cov yeeb nkab hlau yog hais txog cov yeeb nkab hlau uas muaj lub cheeb sab nraud ntawm 76 hli, phab ntsa tuab ntawm 4 hli, thiab ntev ntawm 5000 hli. Tab sis feem ntau, tsuas yog siv lub cheeb sab nraud thiab phab ntsa tuab xwb.
Qhia txog cov lus qhia ntawm cov kav hlau tsis muaj seamless.