Txij li thaum xyoo 1930s, nrog rau kev txhim kho sai ntawm kev sib txuas ua ke ntawm cov hlau zoo thiab kev nce qib ntawm vuam thiab tshuaj xyuas tshuab, qhov zoo ntawm welds tau txuas ntxiv txhim kho, thiab ntau yam thiab cov ntsiab lus ntawm cov kav hlau welded tau nce ib hnub. , thiab tau hloov cov kav hlau tsis-woven hauv ntau thiab ntau qhov chaw. Sewing steel yeeb nkab. Welded steel kav yog muab faib ua ncaj seam welded kav thiab kauv welded kav raws li daim ntawv ntawm weld. Kev faib tawm los ntawm cov txheej txheem ntau lawm: txheej txheem kev faib tawm - arc welded yeeb nkab, tsis kam welded yeeb nkab, (siab zaus, tsawg zaus) roj welded yeeb nkab, rauv welded yeeb nkab.
Cov kab me me welded kav siv ncaj seam vuam, thaum loj txoj kab uas hla welded kav feem ntau siv kauv vuam; Raws li cov duab ntawm qhov kawg ntawm cov yeeb nkab steel, nws tau muab faib ua puag ncig welded kav thiab tshwj xeeb-puab (square, rectangular, thiab lwm yam) welded kav; Raws li cov ntaub ntawv sib txawv thiab kev siv, nws tau muab faib ua cov dej mining Welded steel kav rau kev thauj mus los, galvanized welded steel kav rau kev thauj mus los tsis tshua muaj siab, hluav taws xob welded steel kav rau siv conveyor rollers, thiab lwm yam. tam sim no lub teb chaws tus qauv, txheeb los ntawm txheej kab * phab ntsa thickness los ntawm me me mus rau loj.
Cov blanks siv nyob rau hauv welded steel kav yog steel daim hlau los yog strips. Vim lawv cov txheej txheem vuam sib txawv, lawv tau muab faib ua rau cov kav hlau txuas hluav taws xob, hluav taws xob welded (kuj welded) cov kav dej thiab cov kav dej tsis siv neeg arc welded. Vim lawv cov ntaub ntawv sib txawv, lawv muab faib ua ob hom: ncaj seam welded kav thiab kauv welded kav. Vim tias lawv cov duab kawg, lawv tau muab faib ua cov kav dej sib txuas thiab cov yeeb nkab tshwj xeeb (square, tiaj tus, thiab lwm yam) welded kav. Welded kav tau muab faib ua ntau yam hauv qab no vim lawv cov khoom sib txawv thiab siv:
GB/T3091-2008 (Welded steel yeeb nkab rau kev thauj mus los ntawm cov dej uas tsis tshua muaj siab): Feem ntau yog siv los thauj dej, roj, cua, roj, cua kub dej los yog chav dej thiab lwm yam dej siab thiab lwm cov kav dej. Nws cov khoom sawv cev yog: Q235A qib steel.
GB/T14291-2006 (Welded steel yeeb nkab rau kev thauj mus los ntawm cov kua dej): Feem ntau yog siv rau ncaj seam welded steel kav rau mine huab cua siab, kua, thiab ncej roj paug. Nws cov khoom sawv cev yog Q235A thiab B qib steel.
GB/T{{0}} (Stainless steel welded steel kav rau cov khoom siv tshuab): Feem ntau yog siv rau cov tshuab, tsheb, tsheb kauj vab, rooj tog zaum, tsev so thiab tsev noj mov kho kom zoo nkauj thiab lwm yam khoom siv kho tshuab thiab cov khoom siv. Nws cov ntaub ntawv sawv cev suav nrog 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, thiab lwm yam.
GB/T{{0}} (Stainless steel welded steel yeeb nkab rau kev thauj mus los): Feem ntau yog siv los thauj cov xov xwm uas tsis tshua muaj siab corrosive. Cov ntaub ntawv sawv cev yog 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, thiab lwm yam.
Tsis tas li ntawd, welded stainless hlau kav rau kho kom zoo nkauj (GB / T 18705-2002), stainless hlau welded kav rau tsev kho kom zoo nkauj (JG / T 3030-1995), thiab welded steel kav rau tshav kub exchangers (YB{{2 }}).
