Litšepe tse khethehileng tsa hot-dip galvanized strip
Mokhoa oa Tlhahiso
Mokhahlelo oa I
Coil eohle ea strip steel e tla khethoa ebe e silafatsoa ho fihlela sebaka se khanyang le se hloekileng.
Mokhahlelo oa II
1.Hot-dip galvanizing: ka mor'a ho kha, e hloekisoa ka ammonium chloride kapa zinc chloride aqueous solution kapa ammonium chloride le zinc chloride e tsoakiloeng ka tharollo ea metsi.Ka mor'a moo, e romelloa ka tanka ea galvanizing ea dip e chesang bakeng sa galvanizing.
2.Hot galvanizing: ka mor'a ho pickling, e hloekisoa ka bateng ea ammonium chloride kapa zinki chloride aqueous solution kapa ammonium chloride le zinc chloride e tsoakiloeng ka metsi, ebe e romelloa ka bateng ea galvanizing ka mor'a hore ho be le sebōpi se sa khaotseng bakeng sa galvanizing.
3.Ka ho toba galvanizing: ka mor'a pickling, e romelloa ka sebōping sa mollo se sa khaotseng ebe se kenngoa ka tanka ea galvanizing bakeng sa galvanizing.
Mokhahlelo oa III
Ka mor'a hore tšepe ea hlobo e kenngoe ka galvanized, e tla kopanngoa ebe e kenngoa polokelong.Lera la masenke le ka ba ka tlase ho 50g/m2 ho latela litlhoko tsa bareki, 'me sampole efe kapa efe ha e na ho ba ka tlase ho 48g/m2.
Hangata tšepe e entsoeng ka masenke e sebelisetsoa ho etsa lipeipi tsa tšepe, tse kang lipeipi tse futhumatsang lefatše, lipeipi tsa metsi a nooang, lipeipi tse futhumatsang le lipeipi tse tsamaisang khase;E ka boela ea sebelisoa mesebetsing ea kaho, indasteri e bobebe, likoloi, temo, leruo la liphoofolo, ho tšoasa litlhapi, khoebo le liindasteri tse ling.
Letlapa la tšepe le entsoeng ka masenke le bonts'a hore indasteri ea kaho e sebelisoa haholo ho etsa liphanele tsa marulelo a liindasteri tse senyehileng le tsa sechaba, li-grids tsa marulelo, joalo-joalo;Indasteri ea leseli e e sebelisa ho etsa likhetla tsa lisebelisoa tsa lapeng, lichimney tsa sechaba, lisebelisoa tsa kichineng, joalo-joalo, 'me indasteri ea likoloi e e sebelisa haholo ho etsa likarolo tsa likoloi tse sa jeng, jj;Temo, leruo la liphoofolo le botšoasi ba litlhapi li sebelisoa haholo e le polokelo ea lijo le lipalangoang, lisebelisoa tsa ho lokisa tse leqhoa bakeng sa nama le lihlahisoa tsa metsing, joalo-joalo;Khoebong, e sebelisoa haholo-holo e le thepa ea polokelo, ea lipalangoang le ea ho paka;Sebopeho sa tšepe sandalwood bar (C, Z e bōpehileng joaloka tšepe);Keel ea tšepe e bobebe, keel ea siling, joalo-joalo.
Ho kheloha botenya ho lumelletsoeng
| Matla a fokolang a tlhahisoMpa | Botenya ba lebitsomm | Ho kheloha botenya ho lumelletsoeng | Ho nepahalaPT.A | Ho nepahala ho phahamengPT.B | Bophara ba lebitso | ≤1200 | >1200-≤1500 | >1500 | ≤1200 | 1200-≤1500 |
| <280 | s0.40 | ±0.05 | ±0.06 | ±0.03 | ±0.04 | |||||
| >0.40-0.60 | ±0.06 | ±0.07 | ±0.08 | ±0.04 | ±0.05 | |||||
| >0.60-0.80 | ±0.07 | ±0.08 | ±0.09 | ±0.05 | ±0.06 | |||||
| >0.80-1.00 | ±0.08 | ±0.09 | ±0.10 | ±0.06 | ±0.07 | |||||
| >1.00-1.20 | ±0.09 | ±0.10 | ±0.11 | ±0.07 | ±0.08 | |||||
| >1.20-1.60 | ±0.11 | ±0.12 | ±0.12 | ±0.08 | ±0.09 | |||||
| > 1.60-2.00 | ±0.13 | ±0.14 | ±0.14 | ±0.09 | ±0.10 | |||||
| >2.00-2.50 | ±0.15 | ±0.16 | ±0.16 | ±0.11 | ±0.12 | |||||
| >2.50-3.00 | ±0.17 | ±0.18 | ±0.18 | ±0.12 | ±0.13 | |||||
| ≥280 | ≤0.40 | ±0.06 | ±0.07 | ±0.04 | ±0.05 | |||||
| >0.40-0.60 | ±0.07 | ±0.08 | ±0.09 | ±0.05 | ±0.06 | |||||
| >0.60-0.80 | ±0.08 | ±0.09 | ±0.11 | ±0.06 | ±0.06 | |||||
| >0.80-1.00 | ±0.09 | ±0.11 | ±0.12 | ±0.07 | ±0.08 | |||||
| >1.00-1.20 | ±0.11 | ±0.12 | ±0.13 | ±0.08 | ±0.09 | |||||
| >1.20-1.60 | ±0.13 | ±0.14 | ±0.14 | ±0.09 | ±0.11 | |||||
| > 1.60-2.00 | ±0.15 | ±0.17 | ±0.17 | ±0.11 | ±0.12 | |||||
| >2.00-2.50 | ±0.18 | ±0.19 | ±0.19 | ±0.13 | ±0.14 | |||||
| >2.50-3.00 | ±0.20 | ±0.21 | ±0.21 | ±0.14 | ±0.15 |
| Bophara ba lebitso mm | Phapang e lumelletsoeng ea bophara (mm) | Ho nepahala ho tloaelehileng PW.A | Ho nepahala ho tsoetseng pele PW.B | Bonyane ba boleng | Boholo | Bonyane ba boleng | Boholo |
| 2600-1200 | 0 | +5 | 0 | +2 | |||
| 1200-1500 | 0 | +6 | 0 | +2 | |||
| >1500 | 0 | +7 | 0 | +3 | |||
| Phapang e lumelletsoeng ea bolelele | |||||||
| Bolelele ba lebitso mm | Phapang e lumelletsoeng ea bolelele (mm) | Ho nepahala ho tloaelehileng PL.A | Ho nepahala ho tsoetseng pele PL.B | Bonyane ba boleng | Boholo | Bonyane ba boleng | Boholo |
| =2000 | 0 | +6 | 0 | +3 | |||
| ≥2000 | 0 | Bolelele 0.3% | 0 | Bolelele0.15% | |||
Tšebeliso ea Letlapa la Lesenke la Galvanized
Hangata tšepe e entsoeng ka masenke e sebelisetsoa ho etsa lipeipi tsa tšepe, tse kang lipeipi tse futhumatsang lefatše, lipeipi tsa metsi a nooang, lipeipi tse futhumatsang le lipeipi tse tsamaisang khase;E ka boela ea sebelisoa mesebetsing ea kaho, indasteri e bobebe, likoloi, temo, leruo la liphoofolo, ho tšoasa litlhapi, khoebo le liindasteri tse ling.Indasteri ea kaho e sebelisoa haholo-holo ho etsa liphanele tsa marulelo a liindasteri tse senyehileng le tsa sechaba, li-grids tsa marulelo, joalo-joalo;Indasteri ea leseli e e sebelisa ho etsa likhetla tsa lisebelisoa tsa lapeng, lichimney tsa sechaba, lisebelisoa tsa kichineng, joalo-joalo, 'me indasteri ea likoloi e e sebelisa haholo ho etsa likarolo tsa likoloi tse sa jeng, jj;Temo, leruo la liphoofolo le botšoasi ba litlhapi li sebelisoa haholo e le polokelo ea lijo le lipalangoang, lisebelisoa tsa ho lokisa tse leqhoa bakeng sa nama le lihlahisoa tsa metsing, joalo-joalo;Khoebong, e sebelisoa haholo-holo e le thepa ea polokelo, ea lipalangoang le ea ho paka;Sebopeho sa tšepe sandalwood bar (C, Z e bōpehileng joaloka tšepe);Keel ea tšepe e bobebe, keel ea siling, joalo-joalo.
Likarolo tsa galvanized steel strip: galvanized steel strip ke mofuta wa thepa e tala e bitsoang (zinki) e koahetsoeng holim'a poleiti ea tšepe e telele le e moqotetsane ea ho bilika ho batang kapa ho bilika ho chesang.Li-galvanizing tse chesang li na le melemo ea ho roala junifomo, ho khomarela ka matla le bophelo bo bolelele ba tšebeletso.Lits'ebetso tse rarahaneng tsa 'mele le tsa lik'hemik'hale lipakeng tsa peipi ea tšepe e kentsoeng ka sekontiri se chesang le tharollo ea ho qhibiliha e theha lera le sa khoneng ho bola le le nang le sebopeho se kopaneng.Lera la alloy le kopantsoe le lesela le hloekileng la zin c le substrate ea tšepe ea strip.Ka hona, e na le khanyetso e matla ea kutu.Lintlha tsa boleng ba tšepe ea galvanized strip li tla ba tse boreleli ka ponahalo, ntle le li-nodule tsa zinki le li-burrs, le bosoeu ba silevera;Botenya bo khona ho laola, pakeng tsa 5-107 μ Khetho efe kapa efe ka hare ho m;Ha ho na hydrogen embrittlement le mocheso kotsi, e leng ho ka etsa bonnete ba hore thepa ea mechine ea thepa e lula e sa fetohe;E ka nka sebaka sa lits'ebetso tse ling tse hlokang galvanizing e chesang;Ho hanyetsa kutu e ntle, teko ea ho se nke lehlakore ea letsoai ho fihlela lihora tse 240;Etc. Strip steel, eo hape e tsejoang e le steel strip, e kahara 1300mm ka bophara, mme bolelele ba eona bo fapane hanyane ho ea ka boholo ba khoele ka 'ngoe.The strip steel ka kakaretso e fanoa ka li-coil, tse nang le melemo ea ho nepahala ha maemo a holimo, boleng bo holimo, ho sebetsa habonolo le ho boloka thepa.
Mokhoa oa ho paka: bongata, mokotla oa lehong
Mokhoa oa ho romella kantle ho naha: lipalangoang tsa koloi
Tlhaloso e qaqileng
