Stainless Steel Grades And Properties Pdf

stainless steel grades and properties pdf

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ASTM's steel standards are instrumental in classifying, evaluating, and specifying the material, chemical, mechanical, and metallurgical properties of the different types of steels, which are primarily used in the production of mechanical components, industrial parts, and construction elements, as well as other accessories related to them. The steels can be of the carbon, structural, stainless, ferritic, austenitic, and alloy types. These steel standards are helpful in guiding metallurgical laboratories and refineries, product manufacturers, and other end-users of steel and its variants in their proper processing and application procedures to ensure quality towards safe use.

Stainless steel

Stainless steel types 1. Type is the most versatile and widely used stainless steel. The higher the number the betterthe resistance. The chemical composition of grade and grade S stainless steel are summarised in the following table. Table 1. These efforts were similar and overlapped significantly.

Stainless Steel Grade Chart. Note 4: Mechanical properties shown are for the commonly available form listed; properties of other forms for the grade may vary. Printed November CommonformTreatmentTensilestrengthMPa min. Yieldstrength 0.

Stainless steel is not a single material but the name for a family of corrosion resistant steels. Like many scientific discoveries the origins of stainless steel lies in a serendipitous accident. In Sheffield, England, Harry Brearley was investigating the development of new steel alloys for use in gun barrels. The first application of these steels was in cutlery for which Sheffield subsequently became world famous. Simultaneous work in France led to the development of the first austenitic stainless steels.

stainless steel grades pdf

Stainless steel is a material with tons to offer. Its popularity also means there are seemingly a million different types of stainless steel grades. Actually, there are a few hundred. As a general rule, stainless deserves consideration if your engineering project requires at least one of these three qualities:. Here's a stainless steel grades chart so you can get the most out of the metal for your project:. Running short on time? Take this chart with you instead!

Similar but not identical mechanical properties are specified in EN and JIS G and in proprietary specifications. Composition Specification (%). Grade.

Stainless Steel

Steel properties table pdf steel properties table pdf Properties of Saturated. Data Table for Grades Stainless Steels - Special Steels Stainless Steel identical properties are specified for other products such as pipe and bar in their respective specifications. In essence, steel is composed of iron and carbon, although it is the amount of carbon, as well as the level of impurities and additional alloying elements that determine the properties properties.

When duplex stainless steel is melted it solidifies from the liquid phase to a completely ferritic structure. The duplex structure gives this family of stainless steels a combination of attractive properties:. Strength: Duplex stainless steels are about twice as strong as regular austenitic or ferritic stainless steels. Toughness and ductility: Duplex stainless steels have significantly better toughness and ductility than ferritic grades; however, they do not reach the excellent values of austenitic grades. Corrosion resistance: As with all stainless steels, corrosion resistance depends mostly on the composition of the stainless steel.

Stainless steel is the name of a family of iron-based alloys known for their corrosion and heat resistance. One of the main characteristics of stainless steel is its minimum chromium content of Like other steels, stainless steel is composed primarily from iron and carbon, but with the addition of several other alloying elements, the most prominent being chromium. Other common alloys found in stainless steel are nickel, magnesium, molybdenum, and nitrogen.

Stainless steel's resistance to rusting results from the presence of chromium in the alloy, which forms a passive film that protects the underlying material from corrosion attack, and can self-heal in the presence of oxygen. The addition of nitrogen also improves resistance to pitting corrosion and increases mechanical strength. Resistance to corrosion and staining, low maintenance, and familiar luster make stainless steel an ideal material for many applications where both the strength of steel and corrosion resistance are required.

Microstructures and mechanical properties of 25Cr duplex stainless steel

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Kalen V.


Typical values. Specimen thickness: mm. Chemical Composition. 21Cr Stainless Steel. % proof stress. (N/mm. 2.) Tensile stress. (N/mm. 2.) Steel grade.

Pompeyo Z.


The selection of the appropriate stainless steel grade for each application is the result of various Chemical composition of stainless steels (flat products).



Stainless steel pitting resistance depends on its structure and composition. The three elements which have a significant beneficial effect are chromium, molybdenum, and nitrogen. AISI & have comparable high corrosion resistance. AISI which contain molybdenum is very high corrosion resistant.

Geordie M.


Grade. UNS No. Mechanical properties specified (Note 4). Common form. Treatment. Tensile strength. MPa. .