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Stainless Steel mold Selection in Moldmaking process

What Is The Selection Process Stainless Mold Steels?

Category : Blog

What Is Mold Steel?

Mold steel is used to manufacture moulds, including die-casting mold, hot forging die, cold-punching mold, and many more. It is an important processing tool for machine manufacturing, radiometers, and motor industries. The mold’s quality directly impacts the quality of the technique uses and the finished products. The injection mould manufacturers need to understand the environmental situations of the molding facility. The mold steel tends to oxidize in warm climates or high humidity regions, resulting in degradation. To avoid such things, it is better to use stainless steel mold materials. Also, one should know that when the coolant water’s chlorine levels and PH are not controlled closely and properly adjusted, then a stringent check of the grade and hardness of the stainless steel should be considered for lowering the risk of intergranular corrosion.

It isn’t very clear for many people to choose the right steel grade. The mold is always made through cutting, forging, heat treatment, processing, and much more. To ensure the cost and quality of the mold, the selected materials should have good hardenability, machinability, malleability, etc.

Factors To Consider For The Selection Of Stainless Mold Steel

Here are certain factors that the injection molding companies in India give importance to when selecting stainless mold steel.

  1. Type Of Resin
  2. Type Of Filler
  3. Cosmetic Requirements
  • Resin

The resin type is an essential factor to consider when choosing mold steel. Resins tend to emit corrosive gas when exposed to a high temperature. Polyvinyl Chloride resins will emit hydrogen chloride at 165 degrees when combined with humidity to build HCI ( Hydrochloric acid). Apart from that, cellulose acetate will make a corrosive reaction at a high temperature by making ethanoic acid. The mold steel corrosion can also happen when processing the resin with flame retardant additives and can become highly corrosive to all steel molds.

Mold Steel Rod.

  • Filler

Filler is another important factor to consider while selecting the steel mold. Glass-filled resins are considered more abrasive, and therefore, a higher steel hardness must be used. For resins with abrasive fillers, one should select a stainless steel grade, and the hardness of the same should be maximized to match the design. If corrosion is a concern with filler or the resin, it is better to consider mold based material or stainless steel cavity for coating or plating the tool steels.

  • Cosmetic Requirements

If the final product needs high cosmetic requirements, then the best mold steel would be Electro-Slag-Remelted or SPI rating A1-A3. Under the electro-slag-remelted process, original ingots are remelted in an environmentally safe sealed vessel. The ESR process ensures great conditions for cosmetic finishes. Once the ingot is remelted, it will be put through a diffusion annealing and heat treatment cycle.

Here are some other factors to look into for the materials used to produce a stainless steel mold.

  • Wear Resistance

This is one of the basic and most important factors to look for in mold steel. The major factor for wear resistance is hardness. So high hardness of die along with a lesser loss means that the wear resistance is great. However, the mold steel’s wear resistance is related to the carbide’s shape, amount, and type.

  • Fatigue Strength

While working under big pressure, the die would always be a fatigue fracture. The factors of fatigue limit are toughness, strength, inclusion quantity, and hardness of the material.

  • Durability

The mold has to suffer high pressure. Therefore, it should have toughness and good strength to deal with such working conditions. The toughness of the mold depends on the carbon texture and content.

  • Handling High-Temperature

In the working time, the temperature will always be high, and eventually, the strength and the hardness of the mold will come down. This will result in plastic deformation, and ultimately the mold will become useless. Therefore, the die steel should have high resistance to ensure the mold will have hardness and good strength in high temperatures.

  • Corrosion Resistance

The material must have corrosion resistance as the plastic may eliminate chlorine, fluorine, and other elements after the heating and decomposition.

Choosing the right stainless steel mold depends on the application. It is quite important to understand the factors first to determine a successful project. Know More


Row of rolls of aluminum lie in production shop of plant.

Taxes and its Impact on Steel Industry

Category : Blog , Steel Manufacturers

The steel industry of India has witnessed an increase in customs duty for precise materials. This has been seen in the budget of 2019-2020.

According to the budget recommendation from the Association of Steel Industry to the government, it is stated to discourage imports. The association has recommended that India must discourage the import of a few non-essential steel items. It includes color coated steel, hot rolled items and many more. The reason stated is that it is very well produced here and has the ability to cover the entire requirements of the domestic sectors.

The association of the steel industry is represented by all India’s private sectors and the major public steel enterprises.

At present, the steel sector is heavily bleeding because of the huge imports. The Government tried many schemes to help the steel industry, but it did not prove to be of much help. The industry of steel in India is known to be the highest sector that is leveraged. But seeing the situation and the condition of the industry, the banks are not in a position to present any more fresh loans.

With the help of GST, there will be a change in the steel industry.

Vector Image of Employee Hiring Process In IT Industry.

Reduction of Logistics Cost and Time

Whenever a truck passes through different states, many indirect costs were attached to the product. Because of these indirect attributed costs, the product price increases. Every time, it passes through different check posts of different states, it delays the supply of the goods. Now with the GST, there will be saving time for up to 40-45%. Check Out Here – About the reduction of tax on steel sector in the offing.

Generation of Employment in the Unemployed States

Because of the GST implementation, one will witness the reduction of corruption in highly corrupted states. It includes Jharkhand, Orissa, Chhattisgarh, and Karnataka. Now with the help of GST, the middlemen will be left out from the exploited system. This, in turn, it will help more people to be employed as they will now have to follow the business line. The employment in the undeveloped states and also the other states will help in the improvement of the GDP.

Utilization of Natural Resources

The implementation of GST on the steel industry will help the states especially the underdeveloped states. It will help them to get more money for the resources. The proper auctioning and the middleman elimination will help the state government to know the exact value. The government will now have a clear idea and picture of the steel industry and they will also know whether they have rightly paid. The proper price and value of the steel will be rightly paid.

Protection to Domestic Industry
The steel industry in the domestic sector is always in the threat of a rise in imports. With more and more imports of steel, the domestic industry will run out of business and will slowly start the chain of employment. This is also one of the main reasons for the Indian steel association to discourage the import of certain steel.

The implementation of GST will help to provide proper employment to the domestic sector. Even if it is exported, it is requested that the implementation of GST must be at the same level as that of the Export and the domestic sector. This way, it will balance the system.

Decrease of Cost for Packaging Production

Reduction in Production Cost
The GST rate is likely to be 12% to that of the indirect tax of 20%. Hence one can see it will reduce the cost of production.

The Government has come up with many schemes and plans to help the domestic sector and also the steel industry. The export duty on the pellets or the iron has been made to zero, thereby helping the domestic market to be more eligible and competitive in the international market. The government has also made mandatory making the domestic steel attainment for the cities.

The government policy of Make in India has seen a huge impact on promoting great value inside the country. It is also stated that the import duties on certain raw materials that are used in the steel industry like the paint, zinc, lubricants, iron ore, etc. must be removed.

With these initiatives, India will soon be seen to become the second-largest producer in the world in the crude steel industry in the coming decade. The steel industry will also be helpful to provide employment, all because of the GST.