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SuperDYMA

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What is ZINMAG :

SAN introduces ZINMAG which is a high corrosion–resistant coated steel with a special alloy composition. ZINMAG with its unique coating layer of Zinc, 5% Aluminum, and 3% Magnesium coating provides a breakthrough solution in surface corrosion and metal cutting-edge protection, making it possible to be applied even in the most severe environments (C5) such as livestock, chemicals, and marine areas. ZINMAG can switch many traditional steel and metal materials in various applications in our life at a greatly competitive cost.For More information and usage on ZINMAG, please do contact SAN office personal.

Advantages of ZINMAG:
  • In terms of corrosion resistance, ZINMAG is 3 to 5 times more durable than galvanized products (GI) with the same coating and thickness.
  • Extraordinary resistance to abrasion and friction at the surface of steel coil.
  • Limitation of edge corrosion while common coated alloys can not do.
  • Having almost no white rust on the steel coil.
  • Significant corrosion resistance in chemical and alkaline environments, especially, this coated alloys which can be used in C5 environments.
  • Minimizing the infiltration of poisonous chemicals into the soil.
  • Reducing investment, maintenance, and replacement costs.
Specifications : Capacity
  • Standard  AS1397, ASTM A 1046/A 1046M, JIS 3323
  • Thickness  0.4 to 3.2mm
  • Coating Mass  ZM60 – ZM450
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Note : The ZINMAG logo and brand name are exclusive property of Ton Nam Kim Group who holds all rights to them.
Anti-Corrosion Mechanism :
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ZINMAG ANTI-CORROSION MECHANISM: FLAT SURFACE :

The magnesium in the ZINMAG coating is a catalyst that will accelerate the formation of a highly resistant crystalline film / a dense corrosion product which is extremely stable and officially called Simonkolleite [Zn5(OH)8Cl2.H2O] (SKT). When Simonkolleite is formed, it gradually moves outward to seal the entire steel base surface and prevent it from corrosive environmental substances and plays an important role as a corrosion inhibitor for the base metal.

Because of the spongy nature, the corrosive substances continue to break into the zinc oxide layer to cause red rust occurrence.

SKT had a close chemical formula that can prevent the penetration of corrosive elements.

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Test Results – ZINMAG Anti-corrosion Mechanism – Cut Edge

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ZINMAG - SALT SPRAY TEST (SST) : ISO 9227, JIS Z22371 ASTM B117: 5%NaCl, 35⁰C

The anti-rust ability on the cutting edge of ZINMAG is extremely greater than Galvanized with the equivalent coating, in which, after 3400 hours testing, ZINMAG's cutting edge is entirely unchanged, proving that SKT's formability and self-filling ability are significantly effective while the GI cut-edge is severely rusted.

Test Results - Flat Surface

ZINMAG - SALT SPRAY TEST (SST) : ISO 9227, JIS Z22371 ASTM B117: 5%NaCl, 35⁰C

ZINMAG'S corrosive resistance ability on the flat surface is much better than GL and GI. Especially, by this test, it can be clearly shown that it is 5 times higher than normal GI.

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Conclusion

The corrosion resistance on flat surface of ZINMAG is remarkably superior compared to normal GI, GL

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Test Results - Bending / Forming Position

ZINMAG - SALT SPRAY TEST (SST) : ISO 9227, JIS Z22371 ASTM B117: 5%NaCl, 35⁰C
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Conclusion

In relation to the above tests, ZINMAG's anti-rust is completely much better than normal GL and GI. This test has surely demonstrated that ZINMAG is a breakthrough corrosion-resistance in the coated

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Test Results – Resistance Ability To White Rust

ZINMAG - SALT SPRAY TEST (SST) : ISO 9227, JIS Z22371 ASTM B117: 5%NaCl, 35⁰C Sample surfaces are applied Chromated Treatment.
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Conclusion

ZINMAG's white rust resistance ability is severely higher than GI. It is clearly seen that the SKT layer formed in the inhibiting the white rust formation process of zinc with Oxygen, Carbon Dioxide and water steam to create a white layer which is resulted by a salt mixture of Carbonated (ZnCo3) and Hydroxide(Zn(OH)2).

Test Results – In Chemical Environment

Comparing the weight before and after soaking GL, GI and ZINMAG in Na2SO4 solution at 30⁰C after 24hr Potential of hydrogen (PH) concentration increases progressively from 2 to 13 by adding H2SO4 or NaOH solution.

Test Results – In Chemical Environment

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Weight loss of GI, GL and ZINMAG in different PH environments

Comparing the weight before and after soaking GL, GI and ZINMAG in Na2SO4 solution at 30 degree Celsius after 24h; Potential of hydrogen (PH) concentration increases progressively from 2 to 13 by adding H2so4 or NaOH solution.

Conclusion

In acidic environment, GI is corroded quite quickly white GL and ZINMAG are equivalently slower. However, in alkaline environment, ZINMAG corrosion is 50% lower than GI and much better than GL.

Test Results – In Ammonia Environment

Comparing of weight before and after soaking GL, GI and ZINMAG in 5% of NH3 solution, at 30⁰C after 24hr.
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Conclusion

In the ammonia (breeding) environment, the corrosion resistance of ZINMAG is 4 times stronger than that of normal GI, and it is recommended that GL should not be used in the ammonia environment due to poor corrosion resistance

Test Results - Scratch Resistance Ability

ZINMAG has a harder coating layer than GI and GL. As a result, ZINMAG offers better scratch resistance to reduce abrasion caused by processing and forming, transportation, storage or erection, such as fixing under the ground.

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Conclusion

In the ammonia (breeding) environment, the corrosion resistance of ZINMAG is 4 times stronger than that of normal GI, and it is recommended that GL should not be used in the ammonia environment due to poor corrosion resistance.

Salt Spray Testing Results With Different Coatings

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Environmental Level

C1  Clean City/Peaceful Rural Environment
  • Distance from the marine environment of more than 5000m, industrial environment and corrosive dust area of 3000m or more.
C2-I  Mildly Corrosive Dusty Environment
  • This environment is shared in crowded urban areas, from 2000m to 3000m from the industrial environment, with a mild corrosive agent from exhaust air.
C2-M  Marine Environment
  • Located in an area more than 3000m to 5000m from the coast. However, strong winds can widen the distance.
C3-I  Light Industrial Environment
  • This environment has low level of SO2 concentration, which is typical in industrial parks/urban areas. In addition, it must be located between 1000 to 2000 meters away from the areas with heavy industrial dust.
C3-M  Marine Environment
  • Usually located more than 2000m to 3000m from the coast. However, strong prevailing winds can widen this distance.
C4-I  Industrial Environment
  • The area in the industrial zone has average level of dust, exhaust fumes and SO2 concentration due to its proximity to heavy industrial areas or small industrial areas that produce significant industrial dust.
C4-M  Environment
  • Located in an area more than 1000m to 2000m from the coast. The characteristic of this environment is the occasional presence of a slight salty odor, with a small deposit of salt in the unwashed area.
C5-I  Industrial Environment with High Corrosive Agents
  • Heavy or small industrial area produce significant industrial smog and high level of SO2 concentrations. Usually includes service buildings located separately from and near heavy industrial plants and includes outbuildings.
C5-M  Harsh Marine Environment
  • The inland area is more than 500m to 1000m from the coast. This environment is characterized by high levels of salt and fog, salt stains and salt accumulation on parts of the building that have not been washed away.

Environmental Classification And Usage Recommendations

  • Challenges in the C5 environment.
  • C5 environment has extremely harsh corrosive elements that almost corrode and rapidly destroy metal-based coating.
  • Through a number of verified tests, ZINMAC can be completely used in C5 environment (500m from the sea) and achieves up to 25-year and-perforation warranty.
  • ZINMAC is the alloy coated steel exclusive solution so far which has been recommended for use in livestock and agricultural environments with the ZM350 coating so far, fully guaranteeing a longevity up to 20 years.
  • ZINMAG can be a perfect replacement of stainless steel for applications of water pipes or gutters in residential buildings or projects, because it achieves an anti-perforation warranty period up to 10 years at a lower cost
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Z180 to Z600 is the coating mass level that can be utilized in the respective environment

Why should you choose ZINMAG :

ZINMAG is a highly corrosion-resistance alloy steel coil that meets both price and quality criteria.

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In terms of the price there are 3 main paybacks as follows:

When Purchasing :
  • The reasonable price due to the reduction of coating mass.
  • Reduce shipping costs.
When Processing:
  • No need to be too careful about storage, execution the work and transportation.
  • No need to worry about the edge protection.
After Installation:
  • Reduce preservation and maintenance costs.
  • Increase project lifetime.

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