Stainless Steel 304 is also known as AISI 304. AISI 316 is better than 304 in certain properties, corrosion resistance and heat resistance, etc. The strength, heat resistance and corrosion resistance are all the result of the composition. General Properties. Final products such as all kinds of kitchen ware, tableware, medical device, machinery and parts, wire mesh, filters, architectural and decorative products, etc. Better corrosion resistance than Type 302. It has a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. Therefore, more power and lower processing speed are required, resulting in shortened tool life and difficulty in obtaining a smooth surface. Stainless steel fabrication should be done with dedicated stainless steel materials only and cleaned before being considered to use in fabrication. The melting point of 304 stainless steel is higher than its 316 stainless steel counterpart, ranging between 2,550 - 2,650 F or 1399 - 1454 C. BROWSE CATALOG. The chromium content in the alloy promotes excellent corrosion resistance, high strength-to-weight ratio, and remarkable ductility. Maximum Temperature: Corrosion. EN 1.4301 grade 304 Stainless Steel 18/8 (18% chromium 8% nickel) is the most widely used of all Stainless Steel types. Type 304 grade stainless steel composition is given in table below. It has good drawability - the combination of low yield strength and high elongation permits fabrication into complex shapes. SS304 is suitable for cold working operations including cold heading, cold drawing, cold extrusion and cold riveting, but it is more difficult than cold working of carbon steel. It assumes that the material is highly ductile, which 304 is. The material includes carbon, manganese, phosphorus, silicon, sulfur and chromium and . So, precautions are needed to avoid corrosion resistance. Conversely, 316 . Stainless steel bright bars manufactured by Vishwa Stainless Steel Pvt. Ltd. gets processed with the latest technology that assures high surface smoothness and quality assurance making us leading manufacturers of leading stainless steel products manufacturers such as stainless steel bright round bars, hexagonal bars, square bars, precision bars, polished bars, hardened bars, cold drawn bars, and wires. 304 / 304L Stainless Steel Tubing. 304LN Stainless Steel Chemical Composition (in %): AISI 304 Stainless Steel Chemical Composition (in %): 304 stainless steel is the most popular stainless steel choice with the main feature of its corrosion resistance, which can easily resist chloride and simulate situations. The following contents give AISI 304 grade stainless steel heat treatment temperature of including annealing, forging, stress relief, etc. 304L Stainless Steel Chemical Composition (in %). There are 33 material properties with values for both materials. If intergranular corrosion within the warmth affected zone could happen, it is advised that CS 304L be used. Both AISI 304 stainless steel and AISI 416 stainless steel are iron alloys. The content of chromium in the 18-8 alloy is about - 18% with around . AISI 304 stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. Stainless commonly comes in grades 18.8 (304) or T316. A popular on (I believe used by the ASME Code) is Tresca or maximum shear stress theory of failure. Stainless steel is different from carbon steel due to the amount of chromium present. Required fields are marked *. AISI 304 stainless steel is widely used in petroleum & chemical industry, metallurgical machinery, aerospace industry, food processing equipment, instruments, household appliances and hardware manufacturing industries. 304 stainless steel round bar provides enhanced oxidation and corrosion protection for countless applications. Grade 304 stainless steel is probably the most commonly used grade of austenitic stainless . The chromium provides a corrosion and oxidation resistance, however it can tarnish. diameter bar, Modulus of elasticity (Elastic modulus), GPa (psi), Mean coefficient of thermal expansion, (10. For thickness above 38mm, 304 tensile strength and yield strength is same with 316, meanwhile 304L is same with 316L, but hardness is different. Posted by Arthur Harris & filed under Company News.. Latent Heat of Fusion, J/g: 290: 270: Maximum Temperature . 304 stainless steel is non-magnetic and exhibits high resistance to corrosion and oxidation against atmospheric, chemical, petroleum, textile, and food industry sources. Grade 304 is the standard "18/8" stainless that you will probably see in your pans and cookery tools. Aluminum. Heavy welded sections such as splices on transfer girders may require post-weld annealing. Stainless Steel Knife Comparison Austenitic Cr-Ni stainless steel. Advantages. 720. Ultimate tensile strength of stainless steel - type 304 is 515 MPa, while 17-4PH is about 1000 MPa. 304V Alloy Description. 304 stainless steel, among the most . 304 vs 316 Stainless Steel Properties 304 Type stainless steel. The tag of AISI on it stands for (American Iron and Steel Institute), identifying its commercial availability of stainless steel or chromium steel. 304 Stainless Steel Properties. Stainless steel bolts are rated for corrosion resistance. Abrading & Polishing; . The s30400 the bolt size range from customer to customer, we even serve 304 stainless steel bolt tensile strength. . It offers the standard corrosion resistance, formability, strength, and easy maintenance for which stainless is known. Postweld heat treatment: 949-1149 C (1740-2100 F) if undertaken, or stress relieve below 649 C (1200 F) to avoid weld corrosion. K) AISI 304 stainless steel electrical resistivity: AISI 304 Stainless Steel Chemical Composition (in %): Carbon: 0.07: These high temperatures arent highly recommended for regular use, especially when moisture is involved. The thinner sheets have higher strength values. If we analyze industrial uses, stainless steel grades 304 and 304H are the most widely used across the globe. Elongation: 45% (min) 304 stainless steel available in the market are listed below. AISI SAE ASTM 304 stainless steel cant be hardened by heat treatment but can be hardened by cold working. Austenitic stainless steel grades such as AISI 304 stainless steel meet each requirement as mentioned above with offerings of 304 sub-grades which play a vital role in numerous industries according to their chemical properties. The numbers classify the grades of steel based on their composition, physical properties, and applications. Thanks to the high levels of chromium in this type of steel, it boasts good corrosion and oxidation resistance. It is important to understand the mechanical properties of 304 and 304L stainless steel plate, ASTM A240. Stainless Steel 304 is the most widely used stainless steel, and like 302, it has good mechanical properties and corrosion resistance. Bolt strength is rated in PSI (pounds per square inch). Alloy 304 a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. Data comes from professional, authoritative and trustworthy ASTM standards. has a strong influence on room temperature strength and a tiny addition of nitrogen produces 304L with the same tensile strength as 304. Difference Between 304 vs 316 Stainless Steel, Weight & Density of Stainless Steel 304 in g/cm3, kg/m3, lb/in3, 18/8 Stainless Steel, Grade 18-8 SS Properties & Meaning, 304 Stainless Steel Yield Strength and Tensile Strength, 304 Stainless Steel Composition (SS304 Chemical Composition). Essentially non-magnetic, becomes slightly magnetic when cold worked. As a widely used steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; it has good hot workability such as stamping and bending. Grade 304 stainless steel is a type of stainless steel with properties that make it more resistant to corrosion and oxidation than regular types of . When wire is specified in straightened and cut lengths, the minimum tensile strength shall be 90 % of the values listed in the table. Video Update: 304 . H in 304H stands for High carbon content which denotes an increment of strength in handling high temperatures. Intermittent service temperature: 870 C (1600 F); Continuous service temperature: 925 C (1700 F); Rapidly passing the sensitized temperature range 425-815 C (800-1500 F), thus Cr does not have enough time to combine with C, and it is impossible to precipitate chromium carbide. Other than this, it has the basic properties of steel, as mentioned above. The alloy has excellent fabricability and . 304 and 304/L (UNS S30400 & UNS S30403) are austenitic alloys of stainless steel bars. This refinement to the purity and homogeneity of the metal allows for use in . Due to its composition, corrosion and heat resistance and its mechanical properties, grade 304 is used in all fields of industrial, commercial and domestic manufacturing. Continuous processing at temperatures such as 425C 860C isnt recommended. Because of 304 stainless steels good resistance to oxidation, it provides continuous quality service from temperatures 870C to 925C. In case high strength is required for up to 500C 800C temperatures, 304H stainless steel is recommended. Machinability of stainless steel is what defines the ease of material where it can get cut or shaped with quality that meets smooth surface finishing and long-term machinability. The following data sheet summarize the minimum strength of SS304 in various versions of ASTM standards. However, continuous use at 425-860C is not recommended if corrosion resistance in water is required. 304 / 304L Stainless Steel Bar Stock. Save my name, email, and website in this browser for the next time I comment. We use cookies to ensure that we give you the best experience on our website to personalize content and adverts and to analyze our traffic using Google Analytics. 18/8 actually refers to the amount of chromium and nickel in the alloy - 18% chromium and 8% nickel. Type 304 has good processability, weldability, corrosion resistance, heat resistance, low temperature strength and mechanical properties, good hot workability such as stamping and bending, and no heat treatment hardening. It is defined as a Chromium - Nickel austenitic alloy. That doesnt mean 304L cant get participated in any industrial uses, rooming a matter of fact 304L is massively considered more useful than other stainless steel grades for a way easier welding process by minimizing the carbide precipitation even in severely corrosive environments. It depends on your assumed failure mode. The steel contains both chromium (between 18% and 20%) and nickel . 304L is a modified low-carbon stainless steel based on 304, used to improve the corrosion resistance after welding, and has excellent intergranular corrosion resistance after welding or stress relief. The machinability of AISI 304 is 70 the same as AISI 304L labelled by the American Iron and Steel Institute standards. . Chinese stainless steel grade 0Cr18Ni9 is an old designation, and has been replaced by the new name 06Cr19Ni10. Grades 304 and 304L stainless steel are the most versatile and commonly used austenitic chromium-nickel alloys on the market. SS 304 is widely used in the industrial use, furniture decoration, food and medical industry, etc. Thermal Properties. Grade 304 stainless steel is especially exceptional for its high tensile strength of about 621 MPa (90 ksi). A2 Stainless Steel. A2 (304, 18/8) is an austenitic steel and is non-magnetic. Copyright 2022 - 304 Stainless Steel. This means that SS 316 is more suitable for making products subjected to more force than SS 304. Your email address will not be published. 304 is a low carbon version of 302, or better known as 18-8. 304 Stainless Steel Alloy is similar to 302 Stainless Steel Alloy in terms of its corrosive, oxidation, and forming traits as well as its physical and mechanical abilities. 304 stainless steel Tensile strength: 500-700 Mpa. GB/T 3280: 2015 Cold rolled stainless steel plate, steel sheet and steel strip. Tensile Strength: Yield (Proof) 230 to 860 MPa 34 to 120 x 10 3 psi. 304 / 304L Stainless Steel Pipe. Austenitic Cr-Ni stainless steel. They exhibit excellent corrosion resistance to a wide range of corrosive environments. AISI 316 vs 316L Stainless Steel, Difference of SS316 & SS316L Properties Composition Yield Strength Density, AISI 316 Stainless Steel Properties, SS 316 Grade Density, Composition, Yield Strength, Thermal Conductivity, 5083 Aluminum Properties, Alloy 5083 H116 H111 H321, Aluminum 6063-T6 T5; AA 6063 Aluminum Alloy Properties, Notes of Parameter of A325 Bolts in ASME B18.2.6 -2019, W1 Tool Steel Properties, Composition, Heat Treatment, Thank you, useful info not sure i understand all of it but im no engineer . Grade 304 stainless steel is the most versatile and the most widely used of all stainless steels. The low carbon version, 304L, may be required for full corrosion resistance when thicker sections are welded. Delivering these high integrated values and stainless steel products made us leading stainless steel bright bar manufacturers in India as well as foreign market such as Australia, Germany, Italy, Poland, Spain, Netherlands, UAE (United Arab Emirates), Turkey, UK, USA, Canada, Lebanon, Iran, Saudi Arabia, Denmark, Mexico, Bangladesh and more that perfectly meets their specifications requirements. The welding performance of 304 stainless steel serves quality even if its done with or without fillers. This type of stainless steel plate has a maximum Brinell hardness of 201 . 304 stainless steel yield strength at 0.2% is minimum 30 ksi (205 MPa), tensile strenth is minimum 75 ksi (515 MPa). In stock and ready to ship. This stainless steel (SS) type is austenitic and the most widely used alloy in the AISI (American Iron and Steel Institute) 300 series. Alloys of AISI 304 can also be easily welded with an offering of NO-QUALITY-CHANGE corrosion resistance and low weightage, making AISI 304 a popular choice even for welding industries such as metal sheeting, wire mesh products, and steam piping. Type 304 stainless steel is a T 300 Series Stainless Steel austenitic. S30400 is the UNS number. SAE 304 stainless steel is the most common stainless steel. Use ultra-low carbon austenitic stainless steels, such as. Read More, 304 Stainless Steel Properties: SS304 Composition, Density, Yield Strength, Thermal Conductivity, Hardness, Modulus of Elasticity, Galvanized Welded Wire Mesh Panels, Sheets & Rolls for Fence, 304 & 316 Stainless Steel Welded Wire Mesh Rolls & Panels, S355MC Steel | 1.0976 Material Properties & Equivalent, Designation Meaning of Steel Names (European Standard), S355JR Steel (1.0045 Material) Properties & Equivalent, European EN Standards BSI | DIN Standard, Mechanical Properties, data are for 25.4 mm (1 in.) . The Nut and Bolt Solution Series. Because SS304 contains 18% chromium (Cr) and 8% nickel (Ni), its also known as 18/8 stainless steel. SS 304 material physical properties are given in the following table, including density, melting point, specific heat, electrical resistivity, elastic modulus (modulus of elasticity), thermal conductivity, and coefficient of thermal expansion (CTE), etc. In metallurgy, stainless steel is a steel alloy with at least 10.5% chromium with or without other alloying elements and a maximum of 1.2% carbon by mass. Accept The steel patented by Eduard Maurer and Benno Strauss is known as austenitic steel. SS 304 has excellent welding performance and does not require preheating, but requires similar filler material composition but high alloy content. The grading system used to classify these two steel grades comes from a numbering system started by the American Iron and Steel Institute (AISI), one of the oldest trade unions that dates back to 1855. Ltd. manufactures corrosion-resistant, sturdy, and low-maintenance stainless steel bright bars that can cater to both domestic and industrial use. AISI 304 industrially denoted as 18/8, is an austenitic chromium-nickel stainless steel. It is also easy to clean and fabricate, making it ideal for assorted . Stainless Steel Plate (SST-304) Stainless Steel Plate (SST-316) Stainless Steel Pump Shaft (SST-316, SST-416) Stainless Steel Rebar (Grade 304) Stainless Steel Rebar (Grade 316) Stainless Steel Round Bar (SST-304) Stainless Steel Round Bar (SST-316) Stainless Steel Sheet (SST-304) CS 304 / 304L Technical Data. Being the best fit for high-temperature applications 304H stainless steel offers high strength for temperatures from 550 C to 800 C. An attribute of good oxidation resistance makes Stainless Steel 304H ideal even for periodic use at 870 C with continuous services till 925 C. 304H Stainless Steel Chemical Composition (in %): Increase in nitrogen, Improvement in yield strength! The hardened form of 304 stainless steel cannot be achieved by heat treatment. Furthermore, stainless steel is fully recyclable, and the majority of new stainless steel in the United States comes from scrap metal. This is the reason for non-corrosive, anti-rusting attributes of stainless steel. Type 304 stainless steel typical forging temperature is 925-1260 C (1700-2300 F). Below is a chemical breakdown of 304 steel: <=0.08% carbon; 18-20% chromium; 66.345-74% iron <= 2% manganese; 8 . Datasheet 1, AISI 304 stainless steel composition, Datasheet 3, ASTM 304 Stainless Steel Properties Mechanical Properties. For example, 410 SS has a low alloy content, meaning that there . Stainless steel ferritic - tensile strength ranges from 65,000 to 87,000 psi; Carbon Steel Vs. ASTM A554 grade 304 stainless steel mechanical tubing pipe . Type 304 has good processability, weldability, corrosion resistance, heat resistance, low temperature strength and mechanical properties, good hot workability such as stamping and bending, and no heat treatment hardening. SS304 stainless steel chemical composition is listed in the table below. 304 Stainless Steel. Petrochemical industry: filter equipment, oil and gas pipelines. SS 304 may require subsequent reannealing after soldering or heat treatment to achieve optimum corrosion resistance, softness and ductility. A common question is whether stainless steel is stronger that a grade 5 or grade 8 bolt. It has the chromium and nickel content of 18-8 stainless steel but contains a maximum of 0.08% carbon as well. To calculate the weight of 304 stainless steel plate in kgs use the formula: length (m) x width (m) x thickness (mm) x 7.93. Properties of stainless steel which need to be assured contain many matters such as the amount of nickel, chromium, workability, hardness, yield strength, and top of all corrosion resistance that can work constantly at every temperature without creating an effect on machinery. 304 Stainless Steel Alloy has useful applications in welding . Yield strength is the maximum force you can apply to the metal before it changes shape permanently. It contains high nickel content that is typically between 8 and 10.5 percent by weight and a high amount of chromium at approximately 18 to 20 percent by weight. Across the world, Stainless Steel 304 Fasteners is referred by its trade names that include grade 18-8, or UNS S30400. It is recommended for parts that cannot be annealed fabrication by welding in certain corrosive environments. It is determined by conducting an experiment with a sample and then dividing peak force by cross-sectional area. The alloy is initially electric-arc melted followed by a Vacuum Arc Re-melt (VAR). For more data sheet, you can check 304 stainless steel properties. AISI 304 Stainless Steel (UNS S30400, SS 304) AISI 304 stainless steel (UNS S30400) is the most widely used stainless steel, containing 18-20% Cr and 8-10.5% Ni, and also known as 18-8 stainless steel.SS 304 is non-magnetic under annealing conditions, but after cold working (such as stamping, stretching, bending, rolling), part of the austenite structure may be converted into martensite and . Even high temperatures of 1000C to 1100C get easily handled by this grade which makes it more stable than 304L for martensitic transformations caused at low temperatures. 304LN stainless steel grade is a derivation of this phrase only. Grade 303 stainless steel's yield strength runs about 415 MPa. 304 vs 316 stainless steel screws - strength, corrosion resistance, and cost . Ltd. All Rights Reserved. ASTM type 304 stainless steel equivalent material is listed in the table below, including ISO, European EN (Germany DIN, British BSi, France NF), Japanese JIS and Chinese GB standard (For reference). Alloy 304 is the most versatile and widely used alloy in the stainless steel family. Low carbon content means less carbide precipitation in the heat-affected zone during welding and a lower susceptibility to . It is the most widely used of all the stainless steels because of its combination of high strength and corrosion resistance. 304 stainless steel plate has an elongation of 40%. AISI 304L is the low carbon version of 304 stainless steel, AISI 303 is a free-machining steel, basically a variant of SS304, which increases the phosphorus (P) and sulfur (S) content and improves the machinability. Its lower concentration of carbon makes it slightly weaker than 302 when in the annealed condition. High tensile strength; Stainless steel comes in a variety of grades. In each case, the first number indicates the percentage composition of chromium. Your email address will not be published. What is the minimum tensile strength of stainless steel? Because SS304 contains 18% chromium (Cr) and 8% nickel (Ni), it's also known as 18/8 stainless steel. It also shares many similar properties to 18-8 stainless steel, including . They are corrosion-resistant and durable. A versatile alloy, these 304 Stainless Steel Fasteners are very popular in many industries. For stainless steel 304, grade 308 stainless steel filler rods and electrodes are recommended. Better corrosion resistance than Type 302. When the weldment is not suitable for full annealing, the residual stress of SS 304 grade stainless steel can be moderately reduced below 450 C (840 F). High ductility, excellent drawing, forming, and spinning properties. 304 stainless steel has a yield strength of 215MPa, while 316 stainless steel has a yield strength of 290MPa. Your email address will not be published. . Mechanical Properties. The expression 18-8 is a footnote to the chemistry of SS 304 bolt. Sensitization occurs when type 304 austenitic stainless steel is heated between 425 and 815 C (800-1500 F). Grade 304L is the low carbon . This makes it perfect for machinery like engines, ship propellers. 304 SS round bar provides good strength and excellent corrosion resistance and formability. Notes: Material SS304 mechanical properties are listed in the data sheet below including tensile strength, yield strength, elongation, reduction in area, Brinell and Rockwell hardness, etc. AISI 304 stainless steel (UNS S30400) is the most commonly used material in stainless steels, and is usually purchased in an annealed or cold worked state. JIS G4304 :2005 Hot rolled stainless steel plate, steel sheet and steel strip. Tensile Strength: Yield (Proof), MPa: 230 to 860: 290 to 600: Thermal Properties. Your email address will not be published. Type 304 is the most versatile and widely used stainless steel. AISI 304 stainless steel (UNS S30400) is the most commonly used material in stainless steels, and is usually purchased in an annealed or cold worked state. Groove Industrial 1/4-inch Stainless Steel T304 Wire Rope products are manufactured to the highest standards to endure tough conditions. Below we will go through each of them with a detailed form of their uses and applications. The applications include construction and other commercial applications as well. When wire is specified in straightened and cut lengths, the minimum tensile strength shall be 90 % of the values listed in the table. Stainless Steel 304 Coil Price India, Manufacturer of 304 Stainless Steel Strip Specification. Stainless steel 304 round bar is a type of 18/8 stainless steel, but with a higher chromium and lower carbon content. This alloy can withstand attack in a range of corrosive media, and its durability makes it easy to sanitise, meaning it is ideal for kitchen and food applications. The following datasheet and specification show SS 304 stainless steel properties including physical properties and mechanical properties. The following data sheet summarize the minimum strength of SS304 in various versions of ASTM standards. It contains minimum 10.5% to 11% chromium amount by mass, forming a chromium oxide layer which is inert. 18-8 Stainless Steel: (18% Chrome, 8% Nickel, .08% Maximum Carbon) - 18-8 Stainless refers to 300 series stainless steel. It is frequently used as a construction material up to about 1500 degrees Fahrenheit but provides improved high temperature strength when exposed to temperatures exceeding 800 degrees Fahrenheit. In this instance 304L is recommended due to its resistance to carbide precipitation. Choose from over 175 304/304L stainless steel products in a wide range of sizes. Type 304/304L is the fashionable model of "18-eight" stainless steel containing roughly 18% chromium and 8% nickel and is probably the most generally specified stainless-steel used all through the world. Where high strength is required at temperatures above 500C and up to 800C grade 304H is recommended.
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