EN10143 JISG3302 Galvanised Steel Coils With Zero Spangle Chromated Free /3+

EN10143 JISG3302 Galvanised Steel Coils with Zero spangle surface Chromated free /3+ Environmental Passivation Unoiled
Zero spangle Galvanized Steel Sheet in Coils Introductions

Hardness: soft (normal), hard, full hard
Zinc coating: 30-275 G /M², or on request
Zinc pattern: large zinc pattern, small zinc pattern, no zinc pattern
Surface finish: fingerprint resistant, chromate, oiled, unoiled

Zero Spangle Galvanized Steel : In hot dip galvanising, only a certain amount of aluminium is added to the zinc solution and no lead-free, antimony or tin is added to produce a non-bright product.



Influence of Plating Weight (Thickness) on Corrosion Resistance

The weight of the coating is the most important guarantee of corrosion resistance. The greater the thickness of the coating, the better the corrosion resistance, which has been proved by many accelerated tests and exposure tests. The thickness of the galvanised layer usually refers to the thickness of both sides, under normal circumstances, the commonly used galvanised layer on the market are double-sided equal thickness hot-dip galvanised.

Classification of zinc spangle

Large / Big zinc spangle (regular spangle): zinc spangle formed by free growth of zinc crystals in the normal solidification process after hot dip plating of steel plates in conditions where the zinc solution contains antimony or lead.

Minimum zinc spangle : because of the control of the growth of zinc flower crystallisation, so the surface grain structure is fine; because of the surface uniformity, so the surface quality after painting is excellent; paintability is better than conventional zinc flower.

No zinc spangle (zero zinc spangle): because the growth of zinc particles is completely controlled during the molten zinc fixing process, it is difficult to see zinc spangles with the naked eye; because the surface is uniform, the surface quality after painting is excellent.

Skin passed zinc spangle: the molten zinc is cured and then smoothed to obtain an extremely smooth surface; because the surface is smooth, the surface quality after painting is excellent.

Household Office Galvanised Sheet
Including air conditioners, washing machines, refrigerators, photocopiers, etc. Household galvanised sheet is mainly used for general forming applications and stamping.

Shandong Decho Building Materials Technology Co., Ltd (hereafter called “DBM” ) is a professional manufacturer and exporting company of coated steel coils and sheets, with over 13 years of experience in steel industry and 11 years of steel mill work experience, with extensive product knowledge and experience in production process, especially for the supply of coated steel coils with a stable and reliable supply chain of manufacturers and logistics.

DBM is always in pursuit of and committed to providing high quality products and services. Our company has professional quality inspection team members, for each batch of orders can be fully on-site testing and provide test reports, can also accept any third-party testing company on-site testing, we can do is to ensure that each order goods delivered to a high standard, to achieve customer satisfaction, to achieve win-win cooperation.

DBM can meet the need to use colour steel plate as raw material for building. Decho Building Materials colour steel plate is mainly processed into, for example, colour steel corrugated board or colour steel composite sandwich board after our colour steel plate is widely used in the construction of airports, freezers, steel plants, warehouses, and other industrial buildings and commercial buildings, such as the roof of the colour steel tiles, colour steel plate sandwich walls and doors.

DBM only focus on high standard coated coils with warranty service, We are your strict gatekeeper and faithful partner in China import , We always been committed to becoming your long-term reliable supplier in China.