Specification ntawm GI Steel Hlau
| Nominal Txoj kab uas hla mm | Dia. Ua siab ntev mm | Min. Mass ntawm Zinc Txheej gr / m² | Elongation ntawm 250 hli gauge % min | Tensile Lub zog N / mm² | Kev tiv thaiv Ω/km max |
| 0.80 ib | ± 0.035 | 145 | 10 | 340-500 Nws | 226 |
| 0.90 ib | ± 0.035 | 155 | 10 | 340-500 Nws | 216.92 ib |
| 1.25 | ± 0.040 | 180 | 10 | 340-500 Nws | 112.45 Nws |
| 1.60 ib | ± 0.045 | 205 | 10 | 340-500 Nws | 68.64 ib |
| 2.00 Nws | ± 0.050 | 215 | 10 | 340-500 Nws | 43.93 ib |
| 2.50 Nws | ± 0.060 | 245 | 10 | 340-500 Nws | 28.11 Nws |
| 3.15 | ± 0.070 | 255 | 10 | 340-500 Nws | 17.71 Nws |
| 4.00 Nws | ± 0.070 | 275 | 10 | 340-500 Nws | 10.98 Nws |
Daim duab txheej txheem ntawm Galvanized hlau hlau
lGalvanizing ua ntej kev kos duab:txhawm rau txhim kho kev ua haujlwm ntawm galvanized steel hlau, cov txheej txheem ntawm kev kos cov hlau xaim rau cov khoom tiav tom qab txhuas annealing thiab galvanizing yog hu ua plating ua ntej txheej txheem kos duab. Cov txheej txheem raug yog: steel hlau - txhuas quenching - galvanizing - kos duab - tiav steel hlau. Cov txheej txheem ntawm thawj plating thiab tom qab ntawd kos duab yog cov txheej txheem luv tshaj plaws hauv kev kos duab ntawm galvanized steel hlau, uas tuaj yeem siv rau kub galvanizing lossis electrogalvanizing thiab tom qab ntawd kos duab. Cov khoom siv hluav taws xob ntawm kub dip galvanized steel hlau tom qab kos duab zoo dua li cov hlau hlau tom qab kos duab. Ob leeg tuaj yeem tau txais cov zinc txheej nyias thiab zoo ib yam, txo cov zinc noj thiab ua kom lub zog ntawm cov kab galvanizing.
lIntermediate galvanizing post drawing txheej txheem:Cov txheej txheem nruab nrab galvanizing tom qab kos duab yog: steel hlau - cov hlau lead quenching - thawj daim duab - galvanizing - theem nrab kos duab - tiav steel hlau. Lub feature ntawm nruab nrab plating tom qab kos duab yog tias cov hlau lead quenched steel hlau yog galvanized tom qab ib tug kos duab thiab ces yog kos rau cov khoom tiav ob zaug. Lub galvanizing yog nruab nrab ntawm ob daim duab, yog li nws yog hu ua nruab nrab plating,. Cov zinc txheej ntawm cov hlau hlau ua los ntawm nruab nrab plating thiab tom qab ntawd kos duab yog tuab dua li uas ua los ntawm plating thiab tom qab ntawd kos duab. Tag nrho cov compressibility (los ntawm cov hlau lead quenching mus rau cov khoom tiav) ntawm kub dip galvanized steel hlau tom qab plating thiab kos duab yog siab dua cov hlau hlau tom qab plating thiab kos duab.
lMixed galvanizing txheej txheem:los tsim lub zog ultra-siab (3000 N / mm2) galvanized steel hlau, "sib xyaw galvanizing thiab kos duab" txheej txheem yuav tsum tau saws. Cov txheej txheem raug ntws raws li hauv qab no: txhuas quenching - thawj daim duab - pre galvanizing - theem nrab kos duab - zaum kawg galvanizing - tertiary kos duab (qhuav daim duab) - dej tank kos duab tiav steel hlau. Cov txheej txheem saum toj no tuaj yeem tsim lub zog ultra-siab galvanized steel hlau nrog cov ntsiab lus ntawm 0.93-0.97%, txoj kab uas hla ntawm 0.26mm thiab lub zog ntawm 3921N / mm2. Cov txheej zinc ua lub luag haujlwm hauv kev tiv thaiv thiab lubricating qhov chaw ntawm cov hlau xaim thaum kos duab, thiab cov hlau tsis tawg thaum kos duab.
