The inclusion of a letter g before the code indicates the steel is specified in the form of a casting. Standard martensitic grade for lowduty hardened applications. We are in the business of manufacturing stainless steel springs, grade 302. Grade data sheet 302hq revised may 2008 page 1 of 2 au grade 302hq is a specialised wire grade with very wide usage for manufacture of stainless steel fasteners.
Chemical composition % of austenitic stainless steel grades used for spirol coiled spring pins. Type 302 stainless steel 302 stainless smiths metal. It has excellent forming and welding characteristics. The 304 stainless steel is classified as a t 300 series austenitic stainless steel alloy, containing a minimum of 8 percent nickel and 18 percent chromium with a maximum of 0. According to their strength levels, the plates are available in four grades. Typical mechanical properties for grade 302hq stainless steels are given in table 2. Type 302 stainless steel is an austenitic, nonmagnetic, extremely tough and ductile stainless steel that is a slightly higher carbon version of type 304. Steel specified by purpose of use and mechanical properties. Stainless steel alloys are used predominantly in the automotive, aerospace and construction industries. Approximate composition 18% cr 8% ni exact composition ranges vary between en and astm standards. How to check the grade of stainless steel 304 or 202 quora. Grade 302 is a slightly higher carbon version than grade 304. This page displays only the text of a material data sheet.
A wide variety of stainless steel grade 304 specification options are available to you, such as stainless steel. In metallurgy, stainless steel, also known as inox steel or inox from french inoxydable, is a. Grade 303 is an alloy that in additional of 18% chromium and 8% nickels steel. Types 302 s30200, 304s30400, 304l s30403, and 305 s30500 stainless steels are variations of the 18 percent chromium 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family. A516 grade 55 steel plate a516 grade 60 steel plate a516 grade 65 steel plate astm a515 a515m learn more a515 grade 60 a515 grade 65 a515 grade 70 astm a203 203m learn more a203 grade a,a203gra a203 grade b,a203grb a203 grade d,a203grd astm a204 a204m learn more a204 grade a,a204gra a204 grade b,a204grb a204 grade c,a204grc astm a285 a285m. Austenitic, nonmagnetic, extremely tough and ductile, 302 stainless steel is one of the more. Ss316 is often used for building nuclear reprocessing plants. Alloy quality steel chemical composition of steel s355g1 1. Type 302 stainless steel chromium nickel stainless steel alloy. The atlas steels technical handbook of stainless steels pmsc ltd. This led to the development of a series of alloys aisi 200 type in which. These grades were used by the american society testing and materials astm to identify grades in a wide range of standards they published for stainless products, such as sheets and plates astm a240, bars.
Steels can either be cast directly to shape, or into ingots which are reheated and hot worked into a wrought shape by forging, extrusion, rolling, or other processes. Stainless 302, 304, 304l, 305 united performance metals. Supply chain availability available inventory check. As far as i know, all of the 400 series stainless steels are martensitic, having 10 to % chromium and less than 1% nickel,are heat treatable like the normal steels, carbon and alloy etc, and behave like these steels in a corrosive or wet environment. Alloy 302 is a variations of the 18% chromium 8% nickel austenitic alloy, which is the most familiar and the most frequently used in the stainless steel family. Run a grinder on it, if the sparks are reddish orange, thin and dont fly much its ss304. Mechanical propertiesalong with alloy strength, consider hardness, fatigue. These springs are used in the rear view mirrors of automobiles. The maximum thickness of plates is limited only by the capacity of the chemical composition to meet the specified mechanical property requirements. Types 302, 304, 304l, and 305 stainless steels are variations of the 18 percent chromium 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family. The following datasheet provides an overview of grade 302 stainless steel. Most watches that are made of stainless steel are made of this grade. Stencil grade, high temperature, corrosion resistant alloys in plate, 302 stainless steel 304 stainless steel 304l stainless steel 316 stainless steel chemical composition.
Aisi 315 stainless steel,din17006,din en,wnr,iso,jis,bs. Steel is the common name for a large family of iron alloys. Also known as marine grade stainless steel due to its increased resistance to chloride corrosion compared to type 304. European standard steel grade names fall into two categories. Type 304 is the most versatile and widely used stainless steel. We manufacture and supply steel products with following specifications. If you want to do spot check of ss, just take a random piece from the raw material and do a spark test. This grade is widely used where high ductility is required for cold heading, severe necessary for making screws and bolts of various kinds. A wide variety of stainless steel grade 402 options are available to you, such as type, certification, and standard. The inclusion of 3% copper in the composition reduces the cold work hardening rate substantially compared to grade 304. While it can be cold worked to increase hardness, it will also cause it to become slightly magnetic. They most commonly include chromium, nickel and molybdenum. High hardness and toughness grade, primarily for shafting.
To see matwebs complete data sheet for this material including material property data, metal compositions, material suppliers, etc, please click the button below. The carefully controlled chemical composition of various subgrades provides a large. High performance stainless steels stainless steel world. Concise datasheets, covering all the common stainless steels, include chemical composition, mechanical and physical. Precipitationhardened steels are another group of stainless steels. This website uses cookies for user guidance and web analysis in order to provide you with the best possible functionality. The chemical composition of grade 302 stainless steel is outlined in the. This alloy presents a unique compromise, possessing deep drawability and sufficient stretch formability. These alloys may be considered for a wide variety of applications where one or more of the following properties are important. About 0% of these are stainless steel pipes, 0% are stainless steel sheets, and 0% are stainless steel bars.
Types 302 s30200, 304s30400, 304l s30403, and 305 s30500 stainless steels. Rolf engg solutions is supplier of en 143 sheets, exporter of en 143 coils, stockist of en 1. It is a standard specification for chromium and chromiumnickel stainless steel sheet, plate, and strip used for pressure vessels and for general applications. Books help wanteds advertise on this site forum current topics. It is a nonmagnetic grade that is not hardenable by heat treating. Stainless steel 304 and stainless steel 304l are also known as 1. This grade is widely used where higher strengths and higher workhardening rates are desired, such as springs, at a relatively lower cost compared to 304304l. Their shared traits are good corrosion resistance at a good value. This grade has good corrosionoxidation resistance and weldability. This article discusses the composition, characteristics, and properties of the five groups of. Typicalapplications springs washers screens pressurevessels pressurecontainingapplications.
The following datasheet gives more details about grade 308 stainless steel. Stainless steel, special steel, compressor blading, turbine blading, superalloy supplier. Table 2 chemical composition of wrought highperformance ferritic stainless steels wt. Another common designation of astm a302 grade b alloy steel is uns k12022. They are a combination of martensitic and austenitic steels. Stainless steel alloys resist corrosion, maintain their strength at high temperatures and are easy to maintain. The basic composition of 300 series austenitic stainless steels is 18% chromium and 8% nickel. When nickel is added to stainless steel in sufficient amounts, the crystal structure changes to austenite. The selection of stainless steels may be based on corrosion resistance, fabrication. The following table shows the chemical composition of grade 308 stainless steel.
Carpenters stainless steel blue book carpenter technology. It is still sometimes referred to by its old name 188 which is derived from the nominal composition of type 304 being 18% chromium and 8% nickel. Stainless steel polished plates can also be cut to size. This grade of steel also has excellent drawing properties and can be formed into bar, rod or sheet stock. These are not specifications, but steel grade composition ranges only.
Grade 304 contains about 8% of nickel, which is used to form the ductile austenite crystal structure. Used in food service, pressure vessels and many stamped, spun and formed part applications. Alloy 302 is a slightly higher carbon version of 304, often found in strip and wire forms. Astm a302 a302m 17 standard specification for pressure. Types 304, 304l and 304h are the most versatile and widely used of all the stainless steels.
Their chemical composition, mechanical properties, weldability and corrosionoxidation resistance provide the best allround performance stainless. Type 302 stainless steel is a chromiumnickel stainless steel which is a tough austenitic alloy and is used in a wide range of industrial applications. Nonmagnetic and not hardenable with heat treatment. The most common stainless steel grade, 304, is used in about 60% of applications for stainless steel around the world. Superior corrosion resistance to type 301 with extremely good toughness and ductility.
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