Printable PDF: 304L Stainless Steel Alloy Data sheet Industries supplied include: Process equipment in mining, chemical, cryogenic, food, dairy, and pharmaceutical industries. Call Tampa Steel & Supply at (813) 241-2801 or Request a Quote Online The tubes are strong, mild corrosion resistant and have applications in a variety of industries. In grade 304 stainless, the maximum carbon content is set at 0.08%, whereas grade 304L stainless steel has a maximum carbon content of 0.03%. it also contains no more than 0.045% phosphorous, 0.03% sulfur and between 18.0% and 20% chromium. The Rockwell C Hardness of 304L is 15. It is common practice for 304L to be dual certified as 304 and 304L. Type 304L stainless steel is a sort after material for use in severely corrosive conditions. The most important is the difference in carbon and the resulting strength. Leading Manufacturers & Suppliers of 304L Stainless Steel Bolts, ASTM A193 Stainless Steel 304L Bolts, Stainless Steel Fasteners, Hexagon head bolt, Round head square neck bolt available at best Price in India . 95 HRB. 304L stainless steel composition content. Type 304 is the most versatile and widely used stainless steel. The low carbon chemistry of 304L . 304 & 304L plate and pipes have similar . Stainless Steel 304L Pipe is made up of a lower carbon version of the 18-8 austenitic stainless steel material that is the most used in the world. The most common form is 18-8 ( 18/8) stainless steel. Referred standards ASTM A-240, ASME SA -240. Stainless Steel - Grade 304 (UNS S30400) Grade 304 is a standard "18/8" stainless. Chemical composition of 304L stainless steel SUS304l, C 0.08, Si 1.00, Mn 2.00, P 0.05, S 0.03, Cr18.00-20.00, Ni8.25-12.50 Benefits of using 304L Stainless Steel. Stainless steel 304 and 304L are also known as stainless steel 1.4301 and 1.307 respectively. It is also known as "18/8" stainless steel because of its composition, which includes 18% chromium and 8% nickel. With good formability, 304 stainless steel can be readily welded by all common methods. 304L is a steel grade obtained by reducing the carbon content of 304 to less than 0.03%. As a result of these properties small particles (approx. The Core range contains austenitic and ferritic stainless steels grades for mild to medium corrosive environments in PRE range 17 - 22. This kind of stainless steel also has good drawability. The applications of these two types of stainless steel differ based on their physical and chemical properties. The most widely used austenitic stainless grade, Core 304L/4307 (EN 1.4307), defines the overall landscape of the Core range. It contains 18 percent chromium and 8 percent nickel. This grade resists corrosion and is often used in the food industry. Type 304L materials can be used in the welded condition as opposed to the annealed condition and still maintain resistance to corrosion and lend themselves to many types of fabrication. This is the most used grade of all stainless steels in the world. Alloy 304/304L (UNS S30400/S30403) is the most widely utilized "18-8" chromium-nickel austenitic stainless steel. 304L stainless steel mechanical properties. SAE 304 stainless steel is the most common stainless steel. This variation offers the same corrosion resistance as 304 stainless steel, but with slightly lower mechanical properties. This name has been derived from the composition of Chromium and Nickel elements present in the alloy. AISI 304 is also known as 18/8 Stainless steel. The graph bars on the material properties cards below compare annealed AISI 304L to: wrought austenitic stainless steels (top), all iron alloys (middle), and the entire database (bottom). They are widely used in the food and drink processing industries because they are easy to form and to weld and have a great resistance to corrosion. This list is known as "standard types." . Federal laws was enacted in 2006 decreasing the permissible exposure limit of . Because of their low yield strength and high elongation this alloy can easily form and bend into complex shapes and figures. Benefits of using grade 304L stainless steel include: Low carbon content eliminates carbon precipitation in the welding process. More Details About 304/304L Advantages/Disadvantages Industries Applications Machining Welding Heat Treatment Weld annealing is only necessary in applications where stress loads are excessive. It is the standard "18/8 stainless" that is commonly found in pans and cooking tools. The chromium content in the alloy promotes excellent corrosion resistance, high strength-to-weight ratio, and remarkable ductility. Mechanical Properties of Stainless Steel 304/304L Material UNS EN Tensile Strength Yield Strength Elongation Heat Treatment (Mpa) min (Mpa) min (%) 304 S30400 1.4301 515 205 35 1040 304L S30403 1.4307 485 170 35 1040 Properties and Processing Characteristics of Stainless Steel 304/304L . Grade 304 is the most commonly used stainless steel. It has a low carbon content and high chromium and nickel composition. Composition ranges for ASME SA 213 304 304L 304H and EN 10216-5 1.4301 1.4307 1.4948 *1.4306 Nickle Element Percentage=10.00 to 12.00 Data are typical and should not be construed as maximum or minimum values for specification or for final design. These alloys represent an excellent mixture of corrosion resistance and fabricability. Chemical Composition - Stainless Steel 304/304L These three alloys are remarkably similarbut there is one key difference. AISI 304L is an austenitic Chromium-Nickel stainless steel offering the optimum combination of corrosion resistance, strength, and ductility. 0.1-3mm dia sphere for example) can be attracted to powerful magnetic separators positioned in the product stream. It is still sometimes referred to by its old name 18/8 which is derived from the nominal composition of type 304 being 18% chromium and 8% nickel. Elongation Min. 304L stainless steel is an extra low carbon variation that avoids harmful carbide precipitation due to welding. ASTM A312 Welded And Seamless Pipe Sizes And Chart. The A213 Tp 304l has carbon in lower quantities than in 304 and manganese, phosphorus, silicon, sulfur, chromium and nickel in its composition. 304 stainless steel contains between 16 and 24 % chromium, as well as small amounts of carbon and manganese. Grade: C: Mn: Si: P: S: Cr: Mo: Ni: N: 304L: Min . Carefully Controlled Chemical Composition Affordable Cost 304 and 304L can be press-baked or roll-formed into numerous shapes for various applications across industrial, architectural and transportation sectors. More Details About 304/304L 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. For more specific values, follow the links immediately below. f at 212 f), yield strength is 205 mpa (30 ksi), tensile strength is 515 mpa (75 ksi), modulus of elasticity (elastic modulus) is 193 gpa (28 x 10 6 psi), brinell hardness is Type 304L Stainless Steel is most well-liked in welding applications to exclude the formation of chromium carbides during cooling within the heat affected region of the weld. This is because the Stainless Steel 304L Pipe produces less carbide precipitation during welding and does not form . 304L stands up well in highly corrosive environments such as chemical, textile, and food industry exposures. 5. The properties of AISI 304L stainless steel include seven common variations. Its general characteristics are almost the same as 304, but 304L stainless steel can inhibit the sensitization caused by the precipitation of chromium carbide between 500 and 900oC. Because of their somewhat malleable nature, grade 304L stainless steel bars are often used in the manufacturing of dippers, pipeline buckets, chemical storing tanks, and dye storing tanks. 304 stainless steel plate also includes at most 2.0% manganese and 0.75% silicon. AISI 304L has an Elongation at Break of 58%. We also provide laserjet and water jet cutting for stainless grade astm a240 304l,astm a240 type 304l.a240 304l material cutting parts,a240-304 machine parts,a240 304 flat bar ,sa240 . 304L stainless steel, also known as ultra-low carbon stainless steel, is a kind of universal stainless steel material, widely used in the production of equipment and parts requiring good comprehensive properties (corrosion resistance and formability). Since grade 304 work hardens in a rapid manner, machinability is an issue for this alloy. Stainless Steel 304 Sheet is made up of an austenitic stainless-steel that has 18% chromium and eight% nickel in the composition. Typical mechanical properties for grade 304L Stainless Steel Bolts. . High ductility, excellent drawing, forming, and spinning properties. 304L stainless steel strip is an ultra-low carbon stainless steel, and its carbon content is much lower than 0.03%. In the annealed condition it is essentially non-magnetic and becomes slightly magnetic with the application of cold work. Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa . Contrary to grade 304, the chemical composition of the stainless steel grade 303 has sulfur present in the range of 0.15% to 0.35%, which is a significant increase over the 0.015% in conventional 304 stainless steels. The low carbon version, 304L, may be required for full corrosion resistance when thicker sections are welded. The steel contains both chromium (between 18% and 20%) and nickel (between 8% and 10.5%) [1] metals as the main non- iron constituents. Its low carbon content and high chromium composition leads to good strength, excellent corrosion resistance, and good ease of formability. So that the amount of deformation in the process of mandrel drawing can not be too large. Because the proportion of carbon content is reduced, chromium carbide is rarely produced, and intergranular corrosion is naturally less. A kind of steel with resistance to air, steam, water and other weakly corrosive media or stainless steel properties. The lower carbon content allows for excessive welding without localized corrosion. The Charpy Impact of SS 304L is 159 ft-lb (216 J). Therefore, the existence of 304L stainless steel strip is to solve the problem of . Alloy 304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. The graph bars on the material properties cards further below compare AISI 304L stainless steel to: wrought austenitic stainless steels (top), all iron . 304L, as well as 304, are the most common alloys in the stainless steel class. the max width 2800mm. Stainless steel types 1.4301 and 1.4307 are also known as grades 304 and 304L respectively. In general, stainless steel naturally resistant to corrosion. So you can use metal material analyzer or chemical analysis method to verify the composition of . United Performance Metals purchases 304L stainless steel dual certified as 304 and 304L. 304L stainless steel has a Rockwell B Hardness of 82. Features: Good corrosion resistance than other steel in variety of different media Excellent low temperature performances Good welding characteristics 304L is an extra low carbon grade with a 0.03% max carbon content . Weld annealing only required in high stress applications. The following table lists the chemical composition of stainless steel alloys, including austenitic SS 304, 304L 316, 316L, 321, 303, 302, 301, 904L, 201, etc., martensitic SS 440A, 440B, 440C, 420 etc., ferritic SS 430, duplex stainless steel 2205, 2507, 329, etc. It is still sometimes referred to by its old name 18/8 which is derived from the nominal composition of type 304 being 18% chromium and 8% nickel. 95 HRB. Nickel amounts to about 8% and Chromium accounts for about 18%. Similarly, a stainless steel sheet can be 304/304H dual certified because it has enough carbon content to meet the 304H (minimum 0.040%) requirement and also meets the 304H grain size and strength requirements, there are 316/ 316L and other dual grades of stainless steel. Type 304/304L is the modern version of "18-8" stainless steel containing approximately 18% chromium and 8% nickel and is the most commonly specified stainless steel used throughout the world. Very similar to Type 304. ASTM A312 stainless steel pipe sizes and dimensions should conform to ANSI B36.19, nominal pipe size (NPS) ranges from NPS 1/8 [10.29 mm] to NPS 30 [762 mm], Schedule number for wall thickness from Sch 5s to Sch 80s, value stated respective for specific size, average wall and minimum wall pipe are available upon request. The tensile properties of this SS 304L made by direct energy deposition (DED) additive manufacturing from pre-alloyed stainless steel 304L powder are discussed in this section and compared with conventionally made tensile specimens. ASTM A240 304L stainless steel plate chemistry Manufacturer. 304 grade stainless has excellent welding and formability characteristics and is one of the most utilized stainless steels. It is an austenitic stainless steel. Because of these properties, this metal is often used in chemical and petrochemical processing, pressure vessels, heat exchangers, surface condensers, food processing, petroleum refining, power generation, pulp and paper, and many other similar industries. The stainless steel types 304 or 304L are also known as 18/8 stainless because of their chemical composition including approximately 18% chromium and 8% nickel by weight. As defined above the letter "L" in 304L and 316L denotes lower carbon variation of those stainless steel grades. Can be used in severe corrosive environments. Annealed AISI 304L is AISI 304L stainless steel in the annealed condition. General Properties Description: Type 304 Stainless Steel is the most widely used of the austenitic (chromium/nickel) stainless steels. . 304L stainless steel has poor forging performance and difficult deformation. A popular AM steel is the AISI type 304L austenitic stainless steel (SS 304L). 2) the requirements for nickel (Ni) content are slightly different. . Can 304L be used instead of 304? . The following table lists the chemical composition of SS304 in various standards. 304 is between 8% and 11%, while 321 is between 9% and 12%. A full bar means this is the highest value in the relevant set. It's corrosive and strength properties are similar to 304. Difference between 304/316 and 304L/316L stainless steel grades: 304/316 vs 304L/316L. 304 vs 316 stainless steel: Mechanical properties. In grade 304 stainless, the maximum carbon content is set at 0.08%, whereas grade 304L stainless steel has a maximum carbon content of 0.03%. Type 304 stainless steel possesses excellent corrosion resistance and toughness but is subject to pitting in warm chloride-based atmospheres. The sheets are robust, gentle corrosion resistant and have purposes in a variety of industries. It is readily drawn and formed, and shows good strength and outstanding corrosion resistance, including protection against intergranular corrosion during welding. The "L" in 304L can be interpreted as meaning extra-low carbon. OurStainless Steel 304L Coil Wire is the grade of choice for applications in the temperature range of up to about 900 Degree C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion. Therefore, stainless steel metal generally has a Chromium content of minimum 10.5%. 304L has a slightly lower pressure rating at very high temperatures compared to 304. Data on any particular piece of material may vary from those shown herein. The low carbon chemistry of 304L 40%. "L" is short for "Low carbon" and the maximum carbon content is 0.03%. In this study, the tensile properties of 304L austenitic stainless steel with internal hydrogen were evaluated at 20 K, 77 K, and 113 K. Test specimens were saturated with internal hydrogen. Type 304L has a carbon maximum is 0.030. 3) the requirements for chromium (Cr) content are different. . From above table, we can see that there are two differences in composition, Carbon and Nickel content, Nickel content range from 8 to 12% for 304L, and 304 Nickel content range from 8 to 11%, it is not so that important, carbon content of 304 / 304L dual certification must not exceed 0.035%. Grades 304, 304L, 304H UNS-S30400, S30403, S30409. Better corrosion resistance than Type 302. The Vickers Hardness of 304L SS is 159. Type 304 is the most versatile and widely used stainless steel. Notes: Type 304 stainless steel has good forming and welding properties as well as strong corrosion resistance and strength. Depending upon their weight and specifically their weight ratio to magnetic attraction, these small . This stable arrangement of the AISI 304 stainless steel composition makes it ideal for corrosion resistance and durability. Yet, type 303 has an altered composition to rise machinability. This page shows summary ranges across all of them. Alloy 304/304L (UNS S30400/ S30403) is the most widely utilized "18-8" chromium-nickel austenitic stainless steel. The lower carbon content makes the carbides precipitated in the heat affected zone near the weld to a minimum, and the precipitation of carbides may cause intergranular corrosion (welding corrosion) of stainless steel in some environments. As the predominant choice for hydraulic and instrumentation tubing, types 304 and 304L . Type 304/304L is a versatile, general purpose stainless steel with good resistance to atmospheric corrosion, and to many chemicals and food and beverages. The commonly used steel grades are 304, 304L, 316, and 316L, which are 300 series steels of austenite. It is magnetic, but less magnetic than steel. The balanced austenitic structure of Grade 304 enables it to be severely deep . UNS: S30403 EN-DIN: 1.4306. These attributes make it a . In Table 3.9 a summary of the mechanical properties of austenitic stainless steel is . 304/304L stainless steel tube is one of the most widely used stainless steel grades. A few suffixes used with 304 with the major alterations in chemical composition are shown in below table- Properties of 304/304L The Stainless Steel 304L Tube also has manganese, carbon . This property of ASS 304L is due to the presence of molybdenum, which prevents chloride corrosion. 40%. Abstract and Figures. It has excellent corrosion resistance in ordinary atmospheric conditions, it is easily machined and is also easy to weld. TW Metals offer as wide range of stock sizes and processing capabilities for your company's needs. The Knoop Hardness of 304L is 158. The "L" in 304L can be interpreted as meaning extra-low carbon. Looking for 304 or 304L Stainless Steel in the Tampa Bay Area? Alloys 304L is the most versatile and widely used alloy in the stainless steel family. It is an austenitic, corrosion-resistant steel with excellent strength, toughness, fabrication characteristics and weldability. 304L stainless steel and 316L stainless steel have a lower carbon content, and because the carbon content is reduced . 304 stainless steel plate also is made of between 8.0% and 10.5% nickel and at most 0.10% Type 304 is the most widely used austenitic stainless steel. Difference Between 304 and 304L Chemical Composition It is one of the most widely used grades for tubing. 316 grade has almost the same physical and mechanical properties as 304 stainless steel. Material Notes: Austenitic Cr-Ni stainless steel. Both 304 and 316 stainless steel possesses paramagnetic characteristics. Hardness Max. Stainless Steel Alloy 304L Specifications: AMS 2241, AMS 5647, AMA 5639.
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