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508mm ID ASTM Z40 Zinc Hot Dip Galvanized Steel Coil

Categories Galvanized Steel Coil
Brand Name: Sincere
Certification: CE & SGS
Place of Origin: China (Mainland)
MOQ: 25 MT
Price: US $ 600-800 / MT
Payment Terms: T/T or L/C
Supply Ability: 10000 Ton/Tons per Month
Delivery Time: 10-30 days
Packaging Details: Standard seaworthy packing for international delivery
Technique: Cold Rolled
Surface Treatment: Galvanized
Standard: ASTM,BS,DIN,JIS, EN
Grade: CS Type C
Application: Construction & Base Metal
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508mm ID ASTM Z40 Zinc Hot Dip Galvanized Steel Coil

ASTM z40 Galvanized Steel Coil for roofing / Decor

Hot-dip galvanizing is the reaction of molten metal with an iron substrate to produce an alloy layer, thereby combining the substrate and the plating layer. Hot-dip galvanizing is to pickle iron and steel parts first. In order to remove iron oxide on the surface of iron and steel parts, after pickling, it is cleaned in an ammonium chloride or zinc chloride aqueous solution or a mixed solution of ammonium chloride and zinc chloride.And then sent to the hot-dip plating bath. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.

Quick Details

  • Thickness:0.15-4.0mm
  • Place of Origin:China (Mainland)
  • Model Number:CS Type C
  • Type:Steel Coil
  • Width:600-1500mm
  • Length:Steel Coil
  • Description:Galvanized Steel Coil
  • Base Metal: CS
  • Available Dipped Layers:50-275g/m2
  • Inner Diameter:508-610mm
  • Available Surface Treatment:Passivating & Oiling & AFP & Filming
  • HS Code:72104900
  • Approved Certificate:CE & SGS

Specifications

Technical Standard
EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
Steel Grade
Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer’s Requirement
Type
Coil/Sheet/Plate/Strip
Thickness
0.12-6.00mm,or customer's requirement
Width
600mm-1500mm, according to customer's requirement
Type of Coating
Hot Dipped Galvanized Steel(HDGI)
Zinc Coating
30-275g/m2
Surface Treatment
Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U)
Surface Structure
Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
Quality
Approved by SGS,ISO
ID
508mm/610mm
Coil Weight
3-20 metric ton per coil
Package
Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by seven steel belt.or according to customer's requirement
Export market
Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc

Good Thermal Resistance Machinability Galvanized Steel Coils


Brief Introduction


Galvanized Steel Coil gets coated in layers of zinc because rust won't attack this protective metal. The most external layer is all zinc, but successive layers are a mixture of zinc and iron, with an interior of pure steel. These multiple layers are responsible for the amazing property of the metal to withstand corrosion-inducing circumstances. Zinc also protects the steel by acting as a "sacrificial layer." If rust does take hold on the surface of Galvanized Steel Coil, the zinc will get corroded first. This allows the zinc that is spread over the breach or scratch to prevent rust from reaching the steel. For countless outdoor, marine, or industrial applications, Galvanized Steel Coil is an essential fabrication component.


The Protection Principle

1. Anodic reaction: Zn-2e=Zn2+

(The alloy coating loses electron, sacrificing itself in dissolution.)

2. Cathodic reaction: Fe2++2e=Fe

(Fe gains electron reaction, being protected)


FAQ


Q: Are you a manufacturer or trading company?

A: We are a specialized manufacturer.


Q: How about discount?

A: Price is based on products and order quantity.


Q: Do you accept sample order?

A: Yes sure, please contact us for details.


Q: How about your after-sales service?

A: As a professional steel exporter, we offer promote technology support for all problems and questions.

Besides, we accept goods return or replace for quality problem.


Q: How does your company control the quality?

A: Quality first. In order to guarantee high quality for our products,

Modern always makes a serious inspection for all products and raw materials in strict procedure.

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