GB / T3091 thiab GB / T13793 tuaj yeem hais qhia ncaj qha rau cov kav hlau txuas hluav taws xob ncaj nraim, txij li xyoo 2016, Tianjin evoked lub rooj sab laj rau ob tus qauv. Hauv lub Tsib Hlis 17th, 2016, National steel standardlization commission thiab Tuam Tshoj Steel structural koom haum subsediary unitedly koom lub rooj sab laj rau ob lub teb chaws tus qauv, 42 enterpreneurs koom nyob rau hauv, tag nrho cov thawj coj, cov tub txawg los ntawm metallic kev lag luam kev paub koom haum thiab lwm yam koom haum xeem.
GB / T3091 yog luam tawm los ntawm version 2008, thiab GB / T13793 yog hloov los ntawm 2016 version, specification raws li hauv qab no. Yog li qhov txawv yog qhia nyob rau hauv parameter.
|
Txuj |
Specification |
Siv cov lus piav qhia |
|
GB / T3091 |
Rau cov khoom xa tawm tsis tshua muaj siab |
Hloov tus qub GB/T3091-1993, GB/T14980-1994, GB/T3092-1993, rau dej, roj, cua, poob, thiab lwm yam. siab ua kua xa, thiab lwm yam kev siv welded ncaj welded steel yeeb nkab thiab raj. Vuam txoj kev tuaj yeem ua haujlwm vuam vuam, lossis submerged arc vuam, qub 4 ~ 12m, tom qab 3 ~ 12m, Q235A suav nrog. |
|
GB / T13793 |
Rau ncaj hluav taws xob welded steel yeeb nkab lossis raj |
Kev siv tshuab, kev tsim qauv siv, txoj kab uas hla tsawg dua 711mm, kuj tseem siv rau hauv kev siv cov kua xa tawm dav dav, Q235A suav nrog. |
Peb tsuas yog xa tawm ib qho khoom xa tuaj rau peb cov khoom rau DC04, DC51+Z los ntawm Shanghai seaport, txoj kab uas hla 14mm thiab 16mm, thickness 1mm, saib cov duab chaw nres nkoj raws li hauv qab no.
