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Galvanized Steel Coil Plate Z40 coating (40g/m² zinc per side) nei hi prime-quality building material a ni a, structural leh non-structural application atana siam a ni a, corrosion laka invenna tlemte mamawh a ni. Hot-dip galvanization hmanga siam niin, steel substrate (mild steel emaw high-strength low-alloy steel) hi zinc layer hmanga khuh a ni a, chu chu metallurgically-in a inzawm a, chu chuan rust laka invenna a siam a ni. Thickness range 0.3-3.0mm leh width 1500mm thleng a nei a, he coil plate hian weldability, formability, leh paintability tha tak a pe a ni. Z40 coating hi inland environment humidity hniam atanga hniam lam tan a tha hle a, non-critical structural components tan pawh solution man tlawm tak a pe a ni.
Balanced Corrosion laka invenna : A 40g/m² zinc coating (total 80g/m²) hian thingtlang hmunah kum 5-10 chhung venhimna a pe a, hei hian tuipui kama emaw industrial corrosion nasa lutuk ngaihtuahawm lohna hmuna hman atan a tha hle.
High Mechanical Performance : Yield strength hi 235MPa (standard) atanga 550MPa (high-strength grades) thleng a ni a, purlin, girder, leh roof trusses ang chi load-bearing structure te a thlawp a ni.
Easy Fabrication : Ductility tha leh bendability tha tak chuan coating spalling awm lovin profile hrang hrangah cutting, punching, leh roll-forming a siam thei a, a bik takin edge treatment dik tak hman a nih chuan.
Paintable Surface : Galvanized layer hi primed leh topcoated theih a ni a, hei hian aesthetics tihchak leh aggressive zawka venhimna a pe thei a, application versatility a tizau thei bawk.
Economic Solution : Zinc coating weight tihhniam hian material cost a tihhniam bakah non-critical construction elements te tan venhimna tha tak a nei bawk.
Structural Components : Steel building-a purlin, girt, leh secondary framing atan hman a ni a, a man tlawm zawka support a pe a, corrosion resistance a nei tlem hle.
Roofing & Cladding : Thingtlang emaw khawpui pawn lama corrugated roof sheet leh wall panel atan a tha a, color customization atan paint a ni fo.
Fencing & Guardrails : Chain-link fences, guardrails, leh scaffolding components te a siam a, chu chu a chhe thei lo tur leh dah awlsamna tur a ni.
General Fabrication : Tuipui kama awm lo hmuna metal furniture, storage rack, leh agriculture hmanrua atan a tha hle.
Q: 'Z40' tih awmzia chu eng nge ni?
A: 40g/m⊃2 a ni tih a tarlang a; of zinc coating per side (total 80g/m²), chu chuan coating weight chu moderate corrosion environment atan a tarlang.
Q: Z40 galvanized steel hi tuipui kamah hman theih a ni em?
A: Direct coastal exposure atan chuan a tha lo; coating sang zawk (Z60-Z275) te chu a inhmeh zawk. Z40 hi inland use atan a tha hle.
Q: Engtin nge galvanized steel hi ka paint ang?
A: Zinc tamna primer hmangin pre-treat la, adhesion a awm theih nan, galvanized surface smooth tak chu abrasion emaw chemical etching emaw a ngai hmasa thei a ni.
Q: Hot-dip leh electro-galvanized hi eng nge an danglamna??
A: Hot-dip (Z40) hian rough texture neiin thicker, metallurgical bond a siam a, electro-galvanized hian coatings thinner (10-20g/m²) leh surface smoother zawk a nei thung.
Q: Galvanized steel hi a cut hian a rust em?
A: Cut edges hi a hlauhawm hle a; touch-up zinc paint hnawih emaw, edge-sealing compound hmang emaw, rust initiation ven nan.


| Galvanized sheet /Galvanized coil hmanga siam a ni | ||
Production Standard a ni |
ASTM, AISI,JIS, DIN, EN,GB, GOST tih te hi a ni |
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Bungrua |
DX51D,DX52D,DX53D,Z275,G90,G350,G450,G550,SGCC,,SGCH,GECC,,SPHC,A36,E235/S235JR,Q235B,E355/S355JR,Q3 45A,Q345B,Q345C,Q345D,Q345E,ST35,ST37,ST45,ST52,DC01,DC02,SS400,HC340LA,HC380LA,HC420LA,B340LA,B410LA a ni |
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Lenzawng tehna |
Thickness a ni |
0.105-4mm inkar a ni |
Vang |
600-1250mm inkar a ni |
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Dawhtheihna |
+/-0.02mm a ni |
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Zinc hmanga khuh a ni |
Z30-600g/m2 vel a ni |
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Pawnlang |
Bright,Mill, polished, oil, galvanized, emaw a tul angin emaw |
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Payterm a ni |
Ex-work, FOB, CIF, CFR, etc. te pawh a ni |
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Pe |
T/T, L/C, Western Union, Alibaba Trade Assurance, etc. te pawh an tel a ni |
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Delivery hun chhung |
Kan stock size atan ni 3-5 chhungin, kan production atan ni 15-20 chhungin |
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Bawm |
Dustproof kraft sheet |
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MOQ |
25 TONS (20ft FCL pakhatah) a ni. |
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Enchhinna |
Free leh lei theih a ni |
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Nihphung |
Mill Test Certificate, ISO9001, CE,SGS, TVE te a ni |
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Processing Service a ni |
Bending, Welding, Decoiling, Cutting, Punching te pawh a awm bawk |
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Galvanized steel hian mechanical property a nei a |
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Hman dan tur |
Pawl |
Yield chakna(MPa) 1.1. |
Tensile chakna(MPa) 1.1. |
Punch galvnaized steel a ni |
DC51D+Z tih a ni |
- |
270-500 inkar a ni |
DC52D+Z tih a ni |
140-300 inkar a ni |
270-420 ah a awm |
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DC53D+Z a ni |
140-260-ah a awm |
270-380 ah a awm |
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Structure galvanized steel hmanga siam a ni |
S280GD+Z tih a ni |
≥280 a ni |
≥360 a ni |
S350GD+Z tih a ni |
≥350 a ni |
≥420 a ni |
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S550GD+Z a ni |
≥550 a ni |
≥560 a ni |
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