It is common practice for 304L to be dual certified as 304 and 304L. The following data sheet summarize the minimum strength of SS304 in various versions of ASTM standards. AISI 316 is better than 304 in certain properties, corrosion resistance and heat resistance, etc. Includes material certificates and CAD models. Video Update: 304 . SS 304 Properties SS304 Density, Composition, Tensile Yield Strength, Stainless Steel SS304 Chemical Composition, Applications & Common Uses of Stainless Steel, Annealed, Cold finished, Dia 1/2 in (12.7mm), Annealed, Cold finished, Dia > 1/2 in (12.7mm). Essentially non-magnetic, becomes slightly magnetic when cold worked. It is an austenitic, corrosion-resistant steel with excellent strength, toughness, fabrication characteristics and weldability. This is another widely-used austenitic stainless steel alloy, and it is famous thanks to its durability, tensile strength, and resistance to oxidation and corrosion. Well, L is a grade that represents Low-carbon which makes a slight yet significant difference of 0.05% carbon content which makes it structurally weaker than AISI 304 Stainless Steel. Because intergranular corrosive chromium carbide is dissolved during the annealing process. The grades are classified by a series number and assigned a numerical grade. The strength, heat resistance and corrosion resistance are all the result of the composition. SS 304 may require subsequent reannealing after soldering or heat treatment to achieve optimum corrosion resistance, softness and ductility. Medical equipment: medical cabinets, medical trolleys, sterilizing container, work table, etc. The alloy has excellent fabricability and . 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. Tensile strength identifies the point at which steel breaks under stress. Stainless Steel 304 is the most widely used stainless steel, and like 302, it has good mechanical properties and corrosion resistance. 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. This stainless steel (SS) type is austenitic and the most widely used alloy in the AISI (American Iron and Steel Institute) 300 series. Stainless Steel 304 Coil Price India, Manufacturer of 304 Stainless Steel Strip Specification. Grades 304 and 304L stainless steel are the most versatile and commonly used austenitic chromium-nickel alloys on the market. Accept Stainless steel ferritic - tensile strength ranges from 65,000 to 87,000 psi; Carbon Steel Vs. 304 is a low carbon version of 302, or better known as 18-8. Type 304 stainless steel is a T 300 Series Stainless Steel austenitic. 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). A stainless steel bolt has the same PSI rating as a . 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 . The term "18-8" is used interchangeably and . 304 stainless steel plate has an elongation of 40%. Tensile Strength: Yield (Proof), MPa: 230 to 860: 290 to 600: Thermal Properties. Grade 304 Stainless Steel. Required fields are marked *. The 304 Stainless Steel Hexagon Bar is used mostly for its high geometrical strength. It is the most used austenitic stainless steel. . For more data sheet, you can check 304 stainless steel properties. In such materials, the failure stress in pure shear is half the tensile stress failure. . These alloys are the most familiar and most frequently used alloys in the stainless steel family. The most popular grades are 304 stainless steel and 316 stainless steel. What is the ultimate shear strength of stainless steel 316 n 304 n 302? CS 304 / 304L Technical Data. JIS G4304 :2005 Hot rolled stainless steel plate, steel sheet and steel strip. Austenitic Cr-Ni stainless steel. It contains minimum 10.5% to 11% chromium amount by mass, forming a chromium oxide layer which is inert. It is also easy to clean and fabricate, making it ideal for assorted . Before annealing, the surface should be carefully cleaned, and to prevent the formation of an oxide layer during the annealing process, vacuum, hydrogen or inert gas protection must be used. 303 and 304 Stainless are the most commonly listed grades, the standard grade for stainless fasteners. It depends on your assumed failure mode. 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. Stainless Steel 304 is also known as AISI 304. Grades 304, 304L, 304H UNS-S30400, S30403, S30409. 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. 304 stainless steel yield strength at 0.2% is minimum 30 ksi (205 MPa), tensile strenth is minimum 75 ksi (515 MPa). The tag of AISI on it stands for (American Iron and Steel Institute), identifying its commercial availability of stainless steel or chromium steel. The tables below summarize the material SS 304 properties data sheet and specifications including chemical composition, physical and mechanical properties, etc. . S30400 is the UNS number. It offers an increase in yield strength without imparting its flexibility. Alloy 304 a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. 304 stainless steel Tensile strength: 500-700 Mpa. F at 212 F), tensile strength is 515 MPa (75 ksi), yield strength is 205 MPa (30 ksi). BROWSE CATALOG. The steel contains both chromium (between 18% and 20%) and nickel . In this instance 304L is recommended due to its resistance to carbide precipitation. diameter bar, Modulus of elasticity (Elastic modulus), GPa (psi), Mean coefficient of thermal expansion, (10. Type 304 has a maximum carbon of 0.07% . The L in 304/L refers to a lower carbon content to allow for greater corrosion protection when welding. This steel makes up the vast majority of stainless steel production in the world (around 70%) and of this total stainless steel production, 304 stainless steel makes up the majority. A2 (304, 18/8) is an austenitic steel and is non-magnetic. When wire is specified in straightened and cut lengths, the minimum tensile strength shall be 90 % of the values listed in the table. All Rights Reserved. These grades of austenitic stainless steels are the most versatile and widely used stainless steels. AISI 304 stainless steel composition mainly consists of 18% chromium and 8% nickel, and other stainless steel qualities enhancing alloys include nickel, manganese, silicon, nitrogen, carbon, phosphorus, and sulphur. 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.) So, 18/8 contains 18% chromium and 8% nickel. It is recommended for parts that cannot be annealed fabrication by welding in certain corrosive environments. The alloy is initially electric-arc melted followed by a Vacuum Arc Re-melt (VAR). Chinese stainless steel grade 0Cr18Ni9 is an old designation, and has been replaced by the new name 06Cr19Ni10. AISI 304 industrially denoted as 18/8, is an austenitic chromium-nickel stainless steel. A versatile alloy, these 304 Stainless Steel Fasteners are very popular in many industries. 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. For more information, please check 304 vs 304L stainless steel and 304 vs 316 stainless steel. The steel patented by Eduard Maurer and Benno Strauss is known as austenitic steel. They exhibit excellent corrosion resistance to a wide range of corrosive environments. Posted by Arthur Harris & filed under Company News.. In stock and ready to ship. 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. Ultimate tensile strength of stainless steel - type 304 is 515 MPa, while 17-4PH is about 1000 MPa. Groove Industrial 1/4-inch Stainless Steel T304 Wire Rope products are manufactured to the highest standards to endure tough conditions. It also has excellent low temperature . SS304 material is made into a great many intermediate products such as steel sheet & plate, steel tube & pipe, steel bar & flat, rod & wire, etc. The machinability of AISI 304 is 70 the same as AISI 304L labelled by the American Iron and Steel Institute standards. This mismatch can thoroughly reduce the AISI 304 stainless steel workability and corrosion resistance efficiency. 304 Stainless Steel. Stainless steel bolts are rated for corrosion resistance. 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. This melting practice minimizes voids and contaminants while yielding a more uniform chemistry. H in 304H stands for High carbon content which denotes an increment of strength in handling high temperatures. 290 J/g. Tensile Strength: Yield (Proof) 230 to 860 MPa 34 to 120 x 10 3 psi. Ltd. All Rights Reserved. Below is the application range of stainless steel in chloride ion medium for reference. Postweld heat treatment: 949-1149 C (1740-2100 F) if undertaken, or stress relieve below 649 C (1200 F) to avoid weld corrosion. The chromium provides a corrosion and oxidation resistance, however it can tarnish. 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 chromium content in the alloy promotes excellent corrosion resistance, high strength-to-weight ratio, and remarkable ductility. ASTM A554 grade 304 stainless steel mechanical tubing pipe . 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 . 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 each case, the first number indicates the percentage composition of chromium. Stainless steel is a material that is used to avoid corrosion but dont forget if its fabrication is not done properly, it wont give results as desired. 18/8 actually refers to the amount of chromium and nickel in the alloy - 18% chromium and 8% nickel. The Nut and Bolt Solution Series. Save my name, email, and website in this browser for the next time I comment. This stable arrangement of the AISI 304 stainless steel composition makes it ideal for corrosion resistance and durability. When wire is specified in straightened and cut lengths, the minimum tensile strength shall be 90 % of the values listed in the table. 304 / 304L Stainless Steel Pipe. 304L Stainless Steel Chemical Composition (in %). ASTM A240/A240M Standard Specification for Chromium and Chromium-Nickel SS Plate, Sheet, and Strip for Pressure Vessels and for General Applications. A2 stainless steel is often referred to as 304 or 18/8 Stainless. Sensitization occurs when type 304 austenitic stainless steel is heated between 425 and 815 C (800-1500 F). ASTM A276/A276M Standard Specification for SS Bars and Shapes. Yield Strength. 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. AISI 304 stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. 18-8 Stainless Steel: (18% Chrome, 8% Nickel, .08% Maximum Carbon) - 18-8 Stainless refers to 300 series stainless steel. 304 and 304/L (UNS S30400 & UNS S30403) are austenitic alloys of stainless steel bars. Because SS 304 contains 18% chromium (Cr) and 8% nickel (Ni), it's also known as 18/8 stainless steel. 304 Stainless Steel Yield Strength and Tensile Strength, Applications & Common Uses of Stainless Steel, Annealed, Cold finished, Dia 1/2 in (12.7mm), Annealed, Cold finished, Dia > 1/2 in (12.7mm). 21.5. Stainless Steel 304 Bolt Type :-. In case high strength is required for up to 500C 800C temperatures, 304H stainless steel is recommended. Reduce the carbon content, such as using 304L, stabilized stainless, or adding niobium (Nb), to avoid weld corrosion. The Benefits of 316 Stainless Steel. 304 stainless steel's strength is between 80,000 - 180,000 psi on the Tensile strength test. Final products such as all kinds of kitchen ware, tableware, medical device, machinery and parts, wire mesh, filters, architectural and decorative products, etc. What is the minimum tensile strength of stainless steel? If intergranular corrosion within the warmth affected zone could happen, it is advised that CS 304L be used. GB/T 3280: 2015 Cold rolled stainless steel plate, steel sheet and steel strip. The Difference Between 304 and 316 Stainless Steel. A2 Stainless Steel. It is defined as a Chromium - Nickel austenitic alloy. Grade 304L is the low carbon . However, continuous use at 425-860C is not recommended if corrosion resistance in water is required. Your email address will not be published. Therefore, more power and lower processing speed are required, resulting in shortened tool life and difficulty in obtaining a smooth surface. Stainless Steel Uses and Applications in Aviation and Aerospace Industry, Applications And Uses of Stainless Steel Bright Square Bars, What Are The Characteristics Of Stainless Steel For Food Industry, AISI 304 stainless steel annealing temperature, AISI 304 stainless steel tensile strength, AISI 304 stainless steel thermal conductivity, AISI 304 stainless steel electrical resistivity. Bolt strength is rated in PSI (pounds per square inch). Grade 304 is the standard "18/8" stainless that you will probably see in your pans and cookery tools. Your email address will not be published. The material includes carbon, manganese, phosphorus, silicon, sulfur and chromium and . 304 stainless steel plate has a minimum tensile strength of 75 ksi and a minimum yield strength at 0.2% of 30 ksi. 316 stainless steel is more resistant to corrosion, especially from chlorides, than 304 stainless steel. Below is a chemical breakdown of 304 steel: <=0.08% carbon; 18-20% chromium; 66.345-74% iron <= 2% manganese; 8 . Latent Heat of Fusion. So, precautions are needed to avoid corrosion resistance. But when SS304 is in a warm chloride environment, the corrosion is even faster than non-alloy mild steel. Where high strength is required . Grade 304 stainless steel, also called 18-8 stainless steel, is a non-magnetic alloy that contains 18% chromium and 8% nickel. SS304 stainless steel chemical composition is listed in the table below. F), Coefficient of thermal expansion (CTE), 10, Annealed, Cold finished, Dia 1/2 in (12.7mm), Annealed, Cold finished, Dia > 1/2 in (12.7mm). AISI 304 Stainless Steel Equivalent Grade. The following data sheet summarize the minimum strength of SS304 in various versions of ASTM standards. Electronic appliances: SS 304 liner of electric kettle, washing machine drum, watch and mobile phone shell, microwave oven, range hood cover, control cabinet, water pump case, etc. Examples of ASTM 304 stainless steel rust environment: Sea water, sea wind, salt, perspiration, etc. . Continuous processing at temperatures such as 425C 860C isnt recommended. Low carbon content means less carbide precipitation in the heat-affected zone during welding and a lower susceptibility to . Stainless steel fabrication should be done with dedicated stainless steel materials only and cleaned before being considered to use in fabrication. As we noticed through our blog, the need for stainless steel is increasing worldwide, and to meet the needs of each of their industries requirements Vishwa Stainless Steel Pvt. 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. Advantages. They are corrosion-resistant and durable. The numbers classify the grades of steel based on their composition, physical properties, and applications. Below we will go through each of them with a detailed form of their uses and applications. Type 304 stainless steel is more difficult to machine than carbon steel and low alloy steel because of its higher strength and higher work hardening rate. F at 212 F), tensile strength is 515 MPa (75 ksi), yield strength is 205 MPa (30 ksi). 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. 304 / 304L Stainless Steel Bar Stock. So as a solution to the situation, annealing and solution treatment are required which needs to be done by rapid cooling after heating stainless steel at 1010C 1120C temperature. Non-magnetic Elongation: 45% (min) 304 stainless steel available in the market are listed below. Abrading & Polishing; . Copyright 2022 - 304 Stainless Steel. The following datasheet and specification show SS 304 stainless steel properties including physical properties and mechanical properties. 304 stainless steel, among the most . Grade 304 stainless steel is probably the most commonly used grade of austenitic stainless . Type 304 stainless steel annealing temperature range is 1010-1065 C (1850-1950 F),1040 C (1900 F) is recommended and then rapidly cooled. 304 SS round bar provides good strength and excellent corrosion resistance and formability. This means that SS 316 is more suitable for making products subjected to more force than SS 304. The Pros and Cons of 304 vs 316 Stainless Steel. Type 304 stainless steel typical forging temperature is 925-1260 C (1700-2300 F). Stainless steels, . There are 33 material properties with values for both materials. Your email address will not be published. Thermal Properties. 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) Across the world, Stainless Steel 304 Fasteners is referred by its trade names that include grade 18-8, or UNS S30400. Because SS304 contains 18% chromium (Cr) and 8% nickel (Ni), it's also known as 18/8 stainless steel. 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. These tubes have enhanced load-bearing capacity and can be furnished in hot or cold drawn conditions. It is the most widely used of all the stainless steels because of its combination of high strength and corrosion resistance. Its chemical composition, mechanical properties, weldability and ncorrosion/oxidation resistance provide the best all-round performance stainless steel at relatively low cost. System description: A240 304 stainless steel is the most widely used chromium-nickel 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. The most widely used types of stainless steel are graded as 304 and 316. However, the closer grade 304 stainless steel reaches its melting point, the more tensile strength it loses. 2022 Vishwa Stainless Pvt. For continuous processing at these high temperatures, stainless steel grade 304H is recommended. These fasteners, which also include the 302, 302HQ, 303 and 305, are characterized by multiple variables and grades with a close chemical composition. 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. Food industry: tableware and kitchenware such as stainless steel woks, steamers, pans, forks, chopsticks, baking trays, bbq grills, dairy containers, sterilization baskets. 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 . The applications include construction and other commercial applications as well. Grade 303 stainless steel's yield strength runs about 415 MPa. The low carbon chemistry of 304L . For example, 410 SS has a low alloy content, meaning that there . 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). This puts 304 on the lower end of the strength spectrum. High tensile strength; Stainless steel comes in a variety of grades. 304 vs 316 Stainless Steel Properties 304 Type stainless steel. AISI SAE ASTM 304 stainless steel cant be hardened by heat treatment but can be hardened by cold working. This steel has good forming and welding properties and also high . 304 stainless steel is non-magnetic and exhibits high resistance to corrosion and oxidation against atmospheric, chemical, petroleum, textile, and food industry sources. 304 stainless steel has a yield strength of 215MPa, while 316 stainless steel has a yield strength of 290MPa. These high temperatures arent highly recommended for regular use, especially when moisture is involved. Petrochemical industry: filter equipment, oil and gas pipelines. It is essentially non-magnetic when annealed and may become slightly magnetic when cold-worked. 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. 304 Stainless Steel Properties. This is the reason for non-corrosive, anti-rusting attributes of stainless steel. Hardware tools: stainless steel screws and nuts, steel spring, hardware cloth, window screens, scissors, faucets, shower heads, safety screen; Water treatment plants: valves, flanges, water pipelines, water purification equipment. It is determined by conducting an experiment with a sample and then dividing peak force by cross-sectional area. 304V Alloy Description. SAE 304 stainless steel is the most common stainless steel. 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. It is an economical and versatile corrosion resistant alloy suitable for a wide range of general purpose applications. 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). SS 304 has excellent welding performance and does not require preheating, but requires similar filler material composition but high alloy content. Stainless steel is the most useful element operated in various industries, but when it comes to choosing the right stainless steel grade, industries get riddled. . 304 Stainless Steel. Save my name, email, and website in this browser for the next time I comment. 304LN stainless steel grade is a derivation of this phrase only. Stainless Steel Knife Comparison Stainless steel 304 has good resistance to oxidation in intermittent service up to 870C and in continuous service to 925C. Such that Stainless Steel S30400 Threaded Bolt is supplied worldwide by us. The 304 stainless steel fasteners series is made up of approximately 18% chromium and 8% nickel (18-8). 304 / 304L Stainless Steel Tubing. The specification of the sheets is the A240 for pressure vessel and high temperature applications. Aluminum. Your email address will not be published. Grade 304 stainless steel is especially exceptional for its high tensile strength of about 621 MPa (90 ksi). Austenitic Cr-Ni stainless steel. It has a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. Better corrosion resistance than Type 302. This makes it perfect for machinery like engines, ship propellers. It offers the standard corrosion resistance, formability, strength, and easy maintenance for which stainless is known. Ensure that the weld contains 5-10% ferrite during welding to avoid cracking of the weld. , authoritative and trustworthy ASTM standards high heat resistance, high strength-to-weight,. 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