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Why Stainless Steel?

The stainless steel products are environmental friendly and 100% recycled. Stainless steel products focus on high technological content and high value added, the main products include stainless steel HR steel sheet/coil, CR steel coil/sheet and Plates.

Stainless steel is not a single alloy, but a part of a large family of alloys with different properties for each member. The stainless steel family is quite large and specialized. There are hundreds of grades and sub grades, and each is designed for a special application. Chromium is the magic element. Stainless steel must contain at least 10.5% chromium to provide adequate resistance to rusting. The main raw materials, Ferro-Alloys(Fe-Cr, Fe-Ni) and stainless steel Scrap are melted in the Electro Arc Furnace(EAF). The material steel is refined for the properties of steel for the application through the vacuum with gas or decarbonization, deoxidization. Several important sub-categories of stainless steel are austenitic, martensitic, ferritic, duplex, precipitation hardening and super alloys.


Austenitic Grades

Austenitic grades are those alloys which are commonly in use for stainless applications. The austenitic grades are not magnetic. The most common austenitic alloys are ironchromium-nickel steels and are widely known as the 300 series. The austenitic stainless steels, because of their high chromium and nickel content, are the most corrosion resistant of the stainless group providing unusually fine mechanical properties. They cannot be hardened by heat treatment, but can be hardened significantly by cold-working. General grade in this categories are 304,316,321,317,301,347 etc L-grades are also available. The "L" grades are used to provide extra corrosion resistance after welding. The letter "L" after a stainless steel type indicates low carbon (as in 304L). The carbon is kept to .03% or under to avoid carbide precipitation.

Martensitic Grades

Martensitic grades were developed in order to provide a group of stainless alloys that would be corrosion resistant and hardenable by heat treating. The martensitic grades are straight chromium steels containing no nickel. They are magnetic and can be hardened by heat treating. The martensitic grades are mainly used where hardness, strength, and wear resistance are required. General grade in this categories are 410s, 416, 420, 431, 440 etc.

Ferritic Grades

Ferritic grades have been developed to provide a group of stainless steel to resist corrosion and oxidation, while being highly resistant to stress corrosion cracking. These steels are magnetic but cannot be hardened or strengthened by heat treatment. They can be cold worked and softened by annealing. As a group, they are more corrosive resistant than the martensitic grades, but generally inferior to the austenitic grades. Like martensitic grades, these are straight chromium steels with no nickel. They are used for decorative trim, sinks, and automotive applications, particularly exhaust system. General grade in this categories are 409L, 430, 436 etc.

Duplex Grades

Duplex grades are the newest of the stainless steels. This material is a combination of austenitic and ferritic material. This material has higher strength and superior resistance to stress corrosion cracking. The main products include stainless steel HR coils/sheets/plates, CR coils/sheets/plates.



Life Cycle Cost

Life cycle characteristics of stainless steel is the least expensive choice in a life cycle cost comparison due to its a durability and low maintenance material. Recyclable stainless steel is easily recyclable and fetches a high scrap value.

Hygienic Properties

The cleaning ability of stainless steel makes it possible to use in various industries such as brewery, distillery and pharmaceutical industries.

Corrosion Resistance

Stainless steel has a high resistance to corrosion media for the processing industries, pharmaceuticals, chemical industries, mills etc.


The cold work hardening properties of stainless steel can be used in design to reduce material thickness, weight and cost.

Aesthetic Appeal

Stainless steel is available in many surface finishes resulting in a high quality and pleasing appearance.

Fire & Heat Resistance

Special high chromium and nickel-alloyed grade will be able to retain strength at high temperatures.

Strength to Weight Ratio

Due to high yield strength, it is possible to reduce thematerial thickness by 20-30% without change in structural strength.

Impact Resistance

The austenitic microstructure of 300 series provides resistance from elevated temperatures to far below freezing making these steels suited to cryogenic applications.

Low Operational Cost & Maintenance

Stainless steel considerably brings down the breakdown incidence which results in lower cost of operations and maintenance.


Stainless steel due to its inherent properties causes reduction in accidents and leakage.

Comparison of Life Cycle Cost of Stainless Steel v/s Mild Steel
Factor Mild Steel Stainless Steel Mild Steel Stainless Steel
Material Price Low High
Weight of Material Used High Low
Fabrication & Installation Low Marginally High
Maintenance Cost (Periodic) High Low
Replacement Frequency High Low
Cost Of Lost Production High Low
Residual (Scrap) Value Low High



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