Hot Dip Galvalume Steel Coil

SKU: HC-1142158463173869568

Hot-dip galvanizing is one of the effective means to delay the environmental corrosion of iron and steel materials, it is the surface of the cleaned, activated iron and steel products immersed in molten zinc, through the reaction and diffusion between iron and zinc, in the iron and steel products surface plating good adhesion of zinc alloy coating.

Testing & Certification

Key Features

  • Third-Party Inspection Support
  • Sufficient Inventory Supply
  • International Standard Certification
  • Custom Processing Service

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Product Description

Hot-dip galvanizing is one of the effective means to delay the environmental corrosion of iron and steel materials, it is the surface of the cleaned, activated iron and steel products immersed in molten zinc, through the reaction and diffusion between iron and zinc, in the iron and steel products surface plating good adhesion of zinc alloy coating. Hot dip galvanizing is to make the molten metal react with the iron substrate to produce an alloy layer, so that the substrate and the coating are combined. Hot galvanizing is to pickle the steel and iron parts first. In order to remove the iron oxide on the surface of the steel and iron parts, after pickling, it is cleaned by ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank, and then sent into the hot dip plating tank. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life. Compared with other metal protection methods, the hot-dip galvanizing process has advantages in the protection characteristics of the combination of physical barrier and electrochemical protection of the coating, the bonding strength of the coating and the substrate, the compactness, durability, maintenance-free and economy of the coating, and its adaptability to the shape and size of the product. Construction industry: such as roof, internal and external wall panels, sound insulation walls, pipes, garages, etc. Automotive industry: such as mufflers, exhaust pipes, wiper accessories, fuel tanks, truck containers, etc. Household appliances: such as refrigerator backplane, air conditioner, microwave oven, LED backlight, electric cabinet, etc Agricultural use: such as greenhouse, granary, pig farm, chicken coop, etc Other industries: such as heat exchangers, dryers, etc.

Specifications

Product Parameters

Product NameHot Dip Galvalume Steel Coil
Thickness0.12mm-6.00mm
Width600mm-1500mm
Length1m-12m,Support Customization
StandardAISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc.
Thickness of Aluminum Zinc Coating30-185g/m²
Content of Al-Zn CoatingAl: 55%,Zn: 43.5%,Si: 1.5%

Chemical Composition

AlZnSiFeCuCdPbSnNiClose Cr
55-5841-431.5-20.250.030.050.010.050.050.05

Mechanical Properties

GradeYield Strength MPa≥Tensile Strength MPa≥Elongation A%≥
DX51D Z/ZM/AZ/AM240-380270-50022
DX52D Z/ZM/AZ/AM140-300270-42026
DX53D Z/ZM/AZ/AM140-260270-38030
DX54D Z/ZM/AZ/AM120-220260-35036
S220GD Z/ZM/AM22030020
S250GD Z/ZM/AZ/AM25033019
S280GD Z/ZM/AM28036018
S300GD A/AM30038018
S320GD Z/ZM/AM32039017
S350GD Z/ZM/AZ/AM35042016
S450GD A/AM45048015
S550GD Z/ZM/AZ/AM550550-

Galvanized Surface Selection

Zero SpangleMinimized SpangleNormal SpangleLarge Spangle
Type of CoatingRecommended Coating Weight
Aluminum-zinc Alloy30/40/50/60/75/90/100/150
A: Coating quality50g/㎡,approximately equal to the coating thickness13.3pm
ProjectClassificationSymbol
Type of CoatingAluminum-zinc AlloyAZ
Surface FinishConventional SequinsR
Minimize SequinsM
Skin ThroughS
Surface TreatmentChromate Passivationc
Non-chromate PassivationC5
Chromate PassivationoilingCO
Chromium-free PassivationoilingCO5
Anti-fingerprintN
Chromate-free/Anti-fingerprintN5
No chromate high weather resistance fingerprintNW
Oil filling0
No treatmentU

Material Comparison

Chinese StandardEuropean StandardsAmerican StandardJapanese Standard
DC51D+AZDX51D+AZCS Type B,Type CSGLCC
DC52D+AZDX52D+AZDSSGLCD
S250GD+AZS250GD+AZ255-
S300GD+AZ---
S350GD+AZS350GD+AZ345Class1 SGLC490
S550GD+AZS550GD+AZ550SGLC570
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