Chemical composition of stainless steels flat products. Chemical composition 304 chemical composition 316 carbon 0. Kad group of companies provide stainless steel chemical composition table chart. Core 3044301 is a classic 18% chromium, 8% nickel austenitic stainless steel and an allpurpose product with good corrosion resistance. Where high strength is required at temperatures above 500c and up to 800c grade 304h is recommended. Stainless steel 303 also corresponds to the following standard designations and specifications. The heat analysis shall conform to the requirements as to chemical composition. Stainless steel 316 is a chromiumnickel based steel that possesses increased levels of resistance against several substances, due to the addition of molybdenum in its composition. Core 304l4307 is a lowcarbon alternative to core 3044301 that is giving an improved resistance against intergranular corrosion.
Chemical compositions of aisi astmasme and uns austenitic stainless steel grades introduction aisi astm asme and uns. The metal is characterized by its corrosion resistance, especially in cases of oxidation and salt water. It is common practice for 304l to be dual certified as 304 and 304l. Acerinox obtains profits totalling 33 million euros in the first quarter of 2019. Chemical composition of stainless steels flat products mechanical properties of stainless steels flat products physical properties of stainless steels the attached collection of data reflects inquiries directed to stainless steel development associations. Stainless steel 304, ss 310s, ss 316 chemical composition. Sus304 stainless steel material properties, chemical. Sus304 material is a japanese jis standard and the most commonly used stainless steel, containing 18% cr and 8% ni. Stainless steel 304 and stainless steel 304l are also known as 1. Similar steel grade 1 type 444 2 type 202 standard types stainless and heatresistant steels grades aisi type no. The material is also used throughout the power generation industry. Astm a304 16 standard specification for carbon and alloy.
The selection of the appropriate stainless steel grade for each applic ation is the result of variou s considerations. Examples of astm 304 stainless steel rust environment. Both are nonmagnetic, austenitic, and nonhardenable through heat treatment. Similar resistance and corrosion protection as alloy 304 used for heavy welded equipment when annealing is not possible good oxidation resistance, on par with most other austenitic stainless steels higher carbon allows. Cas no american chemical society, chemical abstracts service registry number 1 2 3 notes. One exception, however, is in highly oxidizing acids such as nitric acid where stainless steels containing molybdenum are less resistant. These items have chemical and mechanical properties complying with both 304 and 304l specifications. Composition values will vary within the concentration ranges mentioned above depending on the steel typestandard. A30416 standard specification for carbon and alloy steel bars subject to endquench hardenability requirements endquench hardenability steel bars. As an integrated stainless steel producer, jfe produces stainless steel from steel making stage, to hot and. In order to assis t the reader in this selection, euro inox makes the following tables of technical properties available. The balanced austenitic structure of grade 304 enables it to be severely deep drawn without intermediate annealing.
The molybdenum allows ss 316 to be more resistance to corrosion overall, with specific resistance against chlorine pitting. They apply to all wrought product forms including ingots and semifinished material. A total of 83 stainless steel grades are listed, including 19 ferritic, 14 martensitic, 2 precipitation hardening, 40 austenitic and 8 austeniticferritic duplex grades. If an internal link led you here, you may wish to change the link to point directly to the intended. Stainless steel wire rods chemical composition chemical composition for information on other steel types than listed in this table, inquire us. For some high strength cold headed fasteners a slightly higher work hardening rate will be needed, so grade 304 or 304l or the specialist grade 304m will need. Stainless steel 304 capillary tube can be either harddrawn hardness 260330 hv or annealed hardness pdf. Type 304 is the most versatile and widely used stainless steel. The machineable nature of grade 303 is due to the presence of sulphur in the steel composition.
Outwardly, 304 stainless steel and 316 stainless steel look very similar. Most widely used austenitic stainless steel, a versatile. Type 347h is a high carbon austenitic chromium stainless steel. Its high chromium and nickel contents provide comparable corrosion resistance, superior resistance to oxidation and the retention of a larger fraction of room temperature strength than the common.
Jindal ss 304 pipes, jindal 304 stainless steel pipes. Chemical composition of stainless steel ss304 chemical. Depending on the application, the product may include trace elements other than the ingredients mentioned above. Found in applications that demand high temperature resistance, other major design features include. Stainless steel wire rods chemical composition chemical. It is the most versatile and most widely used stainless steel available, even though a wide range of alternatives are available. Stainless steel chemical composition, chemical composition. This disambiguation page lists articles associated with the same title formed as a letternumber combination.
Most widely used austenitic stainless steel, a versatile corrosion. En 100882 is the material standard for stainless steel sheet, plate and strip for general purposes. Heat exchangers, piping, tanks and other process equipment in contact with fre. Grade 303 is the most readily machineable of all the austenitic grades of stainless steel. Approximate concentrations for industrial hygiene purposes ingredients cas number percent permissable exposure limit pel osha threshold limit value tlv acgih iron 7439896 45 70 % 10 mgm 3 5 mgm 3.
The fine austenitic grain size requirements of the steel material are presented in details. It is an economical and versatile corrosion resistant alloy suitable for a wide range of general purpose applications. It is common for 304 and 304l to be stocked in dual certified form, particularly in plate and pipe. The grade 304 stainless steel family of sae steel grades. The chemical composition of these stainless steel are shown in this article. Alloy 304304l uns s30400 s30403 is the most widely utilized 188 chromiumnickel austenitic stainless steel. This decreases the corrosion resistance of 303 stainless steel to less than that for 304.
High strength, excellent corrosion resistance and excellent formability make. Stainless 302, 304, 304l, 305 specialty stainless steel. Tables of technical properties international stainless 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. Mechanical properties of 304 grade stainless steel. Otherwise referred to as grade 304 or type 304, it is the most commonly utilized grade of stainless. Composition weight percent in most applications alloy 316316l has superior corrosion resistance to alloy 304304l. 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. It can maintain good strength and heat resistance in high temperature and low temperature environments, and also has good corrosion resistance, weldability, cold workability and mechanical properties in the mild atmosphere. Process environments that do not corrode alloy 304304l will not attack this grade. Ss 304 is a stainless steel with applications ranging from the manufacturing of chemical equipment, kitchen and cooking utensils and equipment, to surgical tools and textile dyeing equipment. Big bolt nut provides chemical composition of ss 304 grade.