Hot dip galvanized sheet 1000 a ni.

Hot dip galvanized sheet chu processed steel coils te chu molten zinc liquid ah theh lutin an process a, chutiang chuan zinc layer chu steel coils chunglam ah a inthlau hle a, chu chuan steel corrosion resistance leh service life a ti tha a ni. Hot-Dip galvanized steel coil-ah hian hot-rolled steel strips emaw cold-rolled steel strips chu substrate atan an hmang tlangpui. Zinc layer adhesion tha tak neih theih nan substrate chu tihfai leh enkawl hmasak a ngai a ni. Tichuan, processed steel coils chu molten zinc liquid-ah an thun a, chutiang chuan zinc layer chu steel coil chung lamah a inthlau hle a ni. A tawpah chuan galvanized steel coil te chu a lum a, a zo ta a, chu chu leveling leh shearing te a ni.

1. Production process tehkhin dan .

Hot-Dip galvanizing: Steel chu molten zinc-ah 450℃velin a thun a ni . Metallurgical reaction chuan zinc-iron alloy layer (30-300μm a thuk) a siam a. A chung lam chu a hrual a, spangle emaw tui mark emaw a lantir thei bawk.

Cold-Dip galvanizing: Zinc ion te chu steel chung lamah electrolysis hmangin an dah a (3-15μm thick). A chunglam chu a hrual a, rawng chi hrang hrang (yellow-green leh bluish-white ang chi) a lang thei bawk.

2. Performance danglamna .

A rilru a buai em em a, a rilru a hah em em bawk a, a rilru a buai em em bawk a.

Corrosion resistance: a chak hle (pawn lam dam chhung: kum 20-50)

chak lo (indoor dam chhung: kum 3-5) .

Adhesion: Alloy bond, flake awlsam lo

Taksa zawm, flake awlsam tak .

Processability: Precision stamping atan a tha lo .

A hnu lama forming atan a tha .

3. A hman dan tlangpui .

Hot-Dip galvanized sheet: boruak chhe thei tak tak, power tower, highway guardrail, leh bridge-a awm structure-te.

Cold-Dip galvanized sheet: appliance housings, electronic components, leh interior decorative parts, chutah chuan surface precision sang tak mamawhna hmunah.

4. Hman man leh boruak hnathawh dan .

Hot-Dip galvanizing hian unit khatah man tlawm (0.5-2 RMB/kg) a nei a, mahse hmanrua investment nasa tak a mamawh a, acid mist leh zinc slag a siam chhuak bawk.

Cold-Dip galvanizing hian processing fee sang tak a nei a (3-8 RMB/kg), mahse electroplating wastewater hmanga enkawl a harsa bawk.

1. A tir lama senso inang lo .

Process complexity .

Hot-Dip galvanizing-ah hian high-temperature molten zinc (450℃) leh pre-treatment tam tak (pickling leh fluxing) a ngai a ni. Hei hian hmanrua investment nasa tak leh energy hman tam a ngai a, chu chuan unit man chu square meter khatah yuan 20-40 vel a ni.

Cold-Dip galvanizing, electrolytic deposition hmang hian energy hman tlem zawkna process awlsam zawk a pe a, mahse chemicals (zinc salt solution ang chi) a innghat thung. Unit man hi square meter khatah yuan 3-8 vel a ni.

Material hman dan .

Hot-dip galvanizing-a zinc layer thickness hian 50-10μm a thleng a, zinc consumption chu cold-dip galvanizing aiin a let 5-10 in a tam a, chu chuan material cost a ti sang zawk a ni.

Cold-Dip galvanizing, 5-15μm thick chauh ni mahse, high-purity chemicals a mamawh a, chu chuan hot-dip galvanizing aiin overall material cost a hniam zawk a ni.

II a ni. Long-Term cost tehkhin dan .

Service nun leh enkawl dan .

Hot-Dip Galvanizing hian pawn lam boruak ah kum 20- kum 20- a dam rei a, maintenance a ngai lo tak zet a, chu chuan hun rei tak chhunga senso zawng zawng a ti tlem zawk a ni.

Cold-Dip galvanizing hian kum 3- 5 chauh dam chhung a nei a, boruak lum takah recoating emaw replacement emaw a ngai fo a, hei hian hot-dip galvanizing aiin maintenance cost a ti sang thei a ni.

Dilna a nghawng dan .

Hot-Dip galvanizing hi boruak chhe thei tak tak (bridge leh power facility ang chi) tan a tha a, a tir lama investment sang tak nei mahse cost-ei theihna tha tak a awm bawk.

Cold-Dip galvanizing hi indoor precision parts (in lama hmanrua leh electronic component ang chi) atan a tha a, hun rei lote chhunga short-Term cost advantages a pe bawk.

iii a ni. Influencing factor dangte .

Environment cost: Hot-Dip galvanizing hian acid mist leh zinc slag paih a ngai a, cold-dip galvanizing hian electroplating wastewater paih a ngai a, chung pahnih chuan cost hidden costs a tipung a ni.

Workpiece size: Hot-Dip galvanizing hi part lian tan chuan a economical zawk a, cold-Dip galvanizing hian part tenau zawk tan flexibility nasa zawk a pe thung.

Tawpna

Short-Term cost: Cold-Dip galvanizing hian a man tlawm zawk (hot-dip galvanizing 1/3{{5} 1/5 vel) a pe a ni.

Long-Term cost: hot-Dip galvanizing hian performance tha zawk (enkawlna hniam zawk leh dam rei zawk) a pe a ni.

Selection Basis: Anti-corrosion mamawh (hot- pawn lama hman atan dip galvanizing), processing accuracy (cold{2}}dip galvanizing for precision) leh budget.