The chemical test is done to identify the chemical composition of steel whereas the mechanical tests are done to identify the strength of 304 vs 316 samples. This grade features a nickel content of 8%10.5% and a chromium content of 18%20%. 304 Stainless Steel Composition (SS304 Chemical Composition) It has good corrosion resistance in the production of pulp and paper. A2 Stainless Steel. Grade 316 contains molybdenum, making it ideal for marine equipment, chemical and pharmaceutical manufacturing equipment, and commercial kitchen equipment. . This means that at room temperature, a basket made of grade 301 stainless steel can take up to 33% more stress than a similar basket made from grade 304 alloy. CHEMICAL COMPOSITION ( IN PERCENTAGE ) 1.5 max. However, the chemical composition of 316, which is made up of 16% chromium, 10% nickel, and 2% molybdenum, is the main difference between 304 and 316 stainless steel. Due to the molybdenum in the steel, the overall performance of this steel is better than 310 and 304 stainless steel. Get In Touch. It is an austenitic stainless steel.It is less electrically and thermally conductive than carbon steel.It is magnetic, but less magnetic than steel. Stainless Steels AISI 304 vs AISI 316 - the Difference | Fractory Difference in 304 vs. 316 Stainless Steels - IMS The addition of molybdenum provides pitting resistance in phosphoric acid, acetic acid and dilute chloride solutions and provides corrosion resistance in sulfurous acid. This characteristic makes it a prime choice for the manufacture of precision parts. Refer to chemical composition 316 stainless steel contains element Mo, which . When looking at 304 stainless steel vs 316, it is hard to notice the difference between them. The Battle of Stainless: 303/304 vs. 316 | MISUMI Blog The Difference Between 304 and 316 Stainless Steel The main advantage of 316Ti is that it can be held . Among the most distinctive features of 316 quality . Chemical Composition. 316 Stainless Steel vs 304 Stainless Steel: Which Should you Choose? 304 versus 316 stainless steel: differences in composition 304 SS is considered a "general purpose" stainless steel and is characterized by the inclusion of 18% chromium (Cr) and 8% nickel (Ni) in its' alloy composition. 316 stainless steel has better corrosion resistance than 304 stainless steel. It is the most commonly used stainless steel. Stainless Steel 304 Vs 316 - Material Grades 304 stainless steel vs 316 Cost The cost of stainless steel is largely dependent on the alloys that are present in their composition. Mechanical Properties 304 vs 316 stainless steel. Comparing 304 vs. 316 . 304 Stainless Steel Properties: SS304 Composition, Density, etc. . . 304 vs 316 Stainless Steel - Eagle Stainless Tube SS 316 is better than SS 304 in terms of corrosion resistance, heat resistance and certain properties, but the price is higher than AISI 304, for more details, please check stainless steel grade 304 vs 316, and 316 vs 316L. However, when manufacturing with 304 vs 316 stainless steel, the difference can be huge. 316 vs 316L Stainless Steel: What's the Difference? Its nominal composition is 18% chromium and 8% nickel, so it is also called 18/8 stainless steel. The addition of molybdenum provides pitting resistance in phosphoric acid, acetic acid and dilute chloride solutions and provides corrosion resistance in sulfurous acid. AISI 304 Stainless Steel (UNS 30400) Wiki So its degree of corrosion resistance is higher than the 18-8 series stainless steels. What is the Difference Between 303 vs 304 Stainless Steel? . . AISI 316 is better than 304 in certain properties, corrosion resistance and heat resistance, etc. So you can use metal material analyzer or chemical analysis method to verify the composition of . 304 can withstand corrosion from most oxidizing acids. 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. Stainless steels of the 316 grade include less chromium often around 16% but increase nickel levels and add molybdenum to the mix. The difference between 304 and 316 stainless steel is the incorporation of molybdenum of 316 reaches up to 3%. Name: ASTM: UNS: EN: DIN: SS: BS: C: Cr: Ni: Mo: Other: 301: S30100: 0.1: 1.4310: . Type 304 is the most widely used austenitic stainless steel. In contrast, 316 Stainless steel is characterized by the inclusion of 16% chromium (Cr), 10% nickel (Ni), and 2% molybdenum (Mo). From the chemical composition, SS 316 has lesser chromium, and more nickel, and unlike SS 304, it has 2% molybdenum. Pitting and crevice corrosion can occur in . Different Types of Stainless Steel Grades: 304 vs 304L vs 316 vs 316L 304 and 316 stainless-steel contain similar amounts of chromium, nickel, and molybdenum. The Properties Of 316 And 316L Stainless Steel Explained - Material Welding This kind of stainless steel also has good drawability. What's the difference between 304 and 316 stainless steel? Differentiating 304 & 316 Stainless Steel - Industrial Metal Supply It also protects from saltwater and pitting. 304 Stainless Steel Composition (SS304 Chemical Composition) 304 stainless steel composition contains 18% chromium and 8% nickel, so it is also known as 18-8 steel. Under high temperature conditions, when the concentration of sulfuric acid is lower than 15% and higher than 85%, 316 stainless . Types of Marine-Grade Stainless Steel | 304-Grade vs. 316-Grade - Gemlux The former grade usually has a higher chromium content while the latter generally contains more nickel. Grade 316 Stainless Steel: Properties, Fabrication and Applications 304 stainless steel is a chromium-nickel austenitic stainless steel with good corrosion resistance. Another difference is that 304-grade stainless steel has a higher melting point than 316-grade stainless steel. It is also non-magnetic. Type 304 stainless steel is an . Stainless Steel 304, SS 310S, SS 316 Chemical Composition - Citizen Metals It has a higher corrosion resistance than regular steel . 304 vs 316 Stainless Steel - 7 Differences. 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. Difference between Stainless Steel 316 / 304 and 316L / 304L The anti-corrosion properties that set 316 steel apart come from the inclusion of molybdenum in its composition. 304 306 316 Stainless Steel | CostaSteel What's the difference between 304 and 316 stainless steel? The main difference between 304 and 316 stainless steel is 316 SS has the addition of molybdenum. PDF 304 VS. 316 What's the Difference? - upmet.com SAE 316 SS Also Known as A4 Stainless or 18/10 for its composition of 18% chromium and 10% nickel. Stainless Steel 304 Vs 316, : The key difference between 304 vs 316 stainless steel that makes them different is the addition of molybdenum, an alloy that drastically enhances corrosion resistance, especially for more saline or chloride-exposed environments. The chemical composition of 316 stainless steel includes: Element: Composition % Chromium: 16-18: Nickel: 10-14: Molybdenum: 2-3: Manganese: 2 (Max) . AISI 316 Stainless Steel Properties, SS 316 Grade Density, Composition The 316 family is a group of austenitic stainless steels with superior corrosion resistance to 304 stainless steel. And 316 stainless steel tubing also has the remarkable feature of being essentially free from thermal expansion and contraction. It is made up of almost the same materials as 304 stainless steel and has almost the same physical and mechanical properties. The summary of results for chemical tests is shared below: Rest percentage is iron which is present on both grades. The carbon content is held to 0.08% maximum, while the nickel content is increased slightly. - 316 vs 304 stainless steel. . Grade 304 stainless steel contains up to 35% nickel and is used for applications such as appliances, cookware, tubing, and hardware. Despite their similarities in chemical resistance, 316 stainless-steel is superior to 304, which tends to oxidize and decay easily in harsh conditions. What is the Difference Between 304 and 316 Stainless Steel? 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. The carbon ranges are 0.08% maximum for 304 and 316 and 0.030% maximum for the 304 L and 316 L types. There are a few distinct differences with the quantities of chromium (18 - 20% for 304, 16 - 18% for 316) and nickel (8 - 10.5% for 304, 10 - 14% for 316). The most popular 304 grade stainless contains 18% chromium and 8% nickel though other alloys exist within the same grade. 304 vs 316 Stainless Steel - Metal Pie Stainless steel grade 316Ti contains a small amount of titanium. 304 stainless steel is the most ordinary stainless steel. It contains roughly 16-25% chromium and up to 36% nickel by composition, as well as small amounts of carbon and manganese. SS304 Vs SS316, Difference Between 304 And 316 Stainless Steel Titanium content is typically only around 0.5%. 304 vs 316 Stainless Steel: The Differences Explained The grade consists of a minimum of 10% nickel content, whereas 18/8 (304) consists of only 8% of nickel content. Similar to 304, 316 stainless steel is a chromium-nickel stainless. 304 vs 316 stainless steel: Composition. Deciding on the Best Material - 304 vs. 316 Stainless Steel This is due to the higher levels of nickel content contained within 316, as well as the presence of molybdenum. The Difference Between 304 and 316 Stainless Steel - Twice Partner Addition of molybdenum increases corrosion resistance of 316 stainless steel, especially against pitting and crevice corrosion in chloride environments. Chemical Composition 304 Chemical Composition 316 Carbon 0.08 Carbon 0.08 Manganese 2.00 Manganese 2.00 Phosphorus 0.045 Silicon 0.75 Sulfur 0.030 Chromium 16.00 Silicon 0.75 Nickel 10.00 . 304 VS 316 Stainless Steel Tube - wztubes.com Physical Properties of 316 SS Mechanical Properties Applications of 316 Stainless Steel The addition of Molybdenum in 316 makes it much more corrosion resistant than similar alloys. 3. Even though stainless steel 304 has a higher melting point, grade 316 has better resistance to chemicals and chlorides (like . It is also known as "18/8" stainless steel because of its composition, which includes 18% chromium and 8% nickel. Requirements for one grade of stainless over the other are often dependent on the application or environment; therefore, it is important to . Is 316 Stainless Steel Worth the Extra Cost over 304? AISI 304 (1.4301) Stainless Steel - Matmatch The addition makes the metal less likely to rust, especially when it comes in contact with chlorides and other industrial solvents. 304 stainless steel contains 18% chromium and 8% nickel, whereas 316 stainless steel contains 16% chromium, 10% nickel, and 2% molybdenum. 18/8 actually refers to the amount of chromium and nickel in the alloy - 18% chromium and 8% nickel. So it must be hardened through cold working. 304/304L Stainless Steel Plate, Sheet & Coil - Octal Metals Moreover, 316 stainless steel is also resistant to the corrosion of ocean and aggressive industrial atmosphere. The chemical composition of grade 304 stainless steel is 18% chromium and 8% nickel, which shows the difference in chemistry between it and 316 stainless steel. 304 Vs 316 Stainless Steel - What's The Difference Between Them? 304 vs 316 Stainless Steel - The Pros and Cons | Arthur Harris AISI 304 stainless steel (UNS S30400) is the most widely used austenitic chromium-nickel stainless steel. Stainless Steel Chemical Composition. The titanium atoms stabilise the structure of the 316 at temperatures over 800C. has high corrosion resistance. Equipment in the chemical, food, paper, mining, pharmaceutical and . Stainless Steel Chemical Composition Chart - The World Material Type 304 is the most versatile and widely used stainless steel. 316 is stronger and more durable than 304. All stainless steels require a minimum of 10.5% chromium and they are alloyed with iron which makes up a large proportion of their final makeup. It can withstand the high temperature of 800 , has good processing performance and high toughness, and is widely used in industry, furniture decoration industry and food and medical industry. What's the difference between 304 and 316 stainless steel? SAE 304 stainless steel is the most common stainless steel.The steel contains both chromium (between 18% and 20%) and nickel (between 8% and 10.5%) metals as the main non-iron constituents. The molybdenum is added to help resist corrosion to chlorides (like sea water and de-icing salts). In most common alloys, you'll find 10% nickel and 2 to 3% molybdenum. 304 stainless steel is generally less expensive than 316 stainless steel and is often used in lower-cost applications. The most common form of 304 stainless steel is 18-8, or 18/8, stainless steel, which contains 18 percent chromium and 8 percent nickel. One notable difference between 304 and 316 stainless steel is their levels of nickel and chromium. 304 vs 316 Stainless Steel | Metal Casting Blog - Reliance Foundry Co. Ltd 304 vs 316 Stainless Steel: Differences & Similarities - WayKen 304 stainless steel is a common material in stainless steel, with a density of 7.93 g/cm 3. The stainless steel originally developed was 304. Grade: Chemical Properties : Tensile Strength: Yield Strength: Rockwell . Type 304 stainless steel has good forming and welding properties as well as strong corrosion resistance and strength. : +91-22-61905600 (100 Lines) Email : exports . 304 Stainless Steel vs 316 Stainless Steel - Zanda Architectural Hardware * Thickness of 1.27mm & below will have elongation of 20% min. STAINLESS STEEL 304 VS 316, . 316 stainless steel or 316 SS is the second most popular austenitic grade of stainless steel, and it comprises iron, 10-14% nickel, and 16-18% chromium. Mechanical Properties Difference Difference Between 304 vs 316 Stainless Steel SS304 vs SS316 316 stainless steels consist of 16% chromium and 10% nickel. The difference derives from molybdenum. 316 stainless steel contains molybdenum. A major difference between 304 and 316 stainless steel is the chemical composition, with 316 containing a significant amount of molybdenum; typically 2 to 3 percent by weight vs only trace amounts found in 304. The molybdenum in 316 stainless steel makes it more corrosion-resistant than 304 stainless steel, but also more expensive as well. 304 vs 316 Stainless Steel - Sanitary Fittings A2 stainless steel is often referred to as 304 or 18/8 Stainless. The molybdenum content of 316L stainless steel is slightly higher than that of 316 stainless steel. While grade 304 stainless steel only has trace amounts of it, AISI 316 has considerably more. 3. The differing chemical makeups of 304 SS and 316 SS influence how each performs in a certain environment. Difference Between stainless steel 316 and 304 - Materials UK Along with the increased nickel content, 316SS also has an additional element 'Mo' (molybdenum) in its chemical makeup (2%-3%). The two most common stainless steel grades are 304 and 316. Therefore, stainless steel metal generally has a Chromium content of minimum 10.5%. 3) the requirements for chromium (Cr) content are different. What distinguishes Type 316 from Type 304 is the addition of molybdenum up to a maximum of 3%. 300 Series Stainless Steel Alloys - 302, 304, 316 A few percentages this way or that in chromium and nickel. This alloy is suitable for welding because it has a carbon content lower than 301 to 303 series alloys to avoid carbide precipitation in welding applications. Stainless 304 vs 316 Properties Stainless 304 vs 316 Price Difference What is 304 Stainless Steel | Stainless Steel Comparison - Grade 304 vs Types Of Stainless Steel: A2 vs A4 or 304 vs 316 304 vs 316 Stainless Steel, What is the difference? - DEK Know the Differences Between 304 Stainless Steel vs 316 Grade 304 stainless steel, by comparison, can only take up to 90 ksi of pressure before experiencing mechanical failure. The chemical composition of stainless steel 316 is almost identical to that of the 304 grade. Difference Between 304 vs 316 Stainless Steel Often, the manufacturer will mark the stainless-steel part to indicate its grade. . . It is the most common type of stainless steel used in construction and manufacturing. Both of these 300-grade steels are known for their . It also gives 316 stainless steel high heat resistance of up to 1600 F. . 304 is between 18% and 20%, while 321 is between 17% and 19%. 316 stainless steel contains molybdenum, but 304 does not. 304 has a . This prevents carbide precipitation at the grain boundaries and protects the metal from corrosion. Type 316 is also austenitic, non-magnetic, and thermally nonhardenable stainless steel like Type 304. 304 stainless steel does not. SS304 Vs SS316, Difference Between 304 And 316 Stainless Steel 2. But, there are differences in certain media. What is 304 stainless steel's chemical composition? SAE 304 SS Also known as A2 Stainless or 18/8 for its composition of 18% chromium and 8% nickel. Stainless steel 316 has a greater resistance to chemical attack and oxidations than 304. This composition chart shows that there are some critical differences in components and percentage of chromium and nickel. The main difference between 304 vs 316 stainless steel is that 304 does not contain molybdenum, while 316 contains 2-3% molybdenum and less chromium and more nickel. 304 stainless steel is composed of 18% chromium, 8% nickel. 304 VS 316 stainless steel: point differences | JC Casting Chemical Composition Chart of 304 and 316. Stainless Steel 316. It might have a circle with the number 6 in it or . The melting range of 316 is 2,500 F - 2,550 F (1,371 C - 1,399 C), roughly 50 to 100 degrees Fahrenheit lower than the melting point of grade 304 stainless steel. 304 vs 316 Stainless Steel Screws: Strength & Cost | SFS USA Grade 304 Stainless Steel. The following table lists the chemical composition difference between 304 and 316 stainless steel. 3014 vs 316 Stainless Steel - Strength and Properties of 304 and 316 SS 316 vs 316L Stainless Steel: The Differences Explained Stainless steel 304 and stainless steel 304L are also known as 1.4301 and 1.4307 respectively. 304 vs 316 Stainless Steel - boulderes.com Stainless Steel 304 1.4301 - Materials UK Type 304 and 304L Stainless Steel Explained - ThoughtCo This makes them ideal for corrosive environments, as they have better resistance to acid, chloride, and salt. Difference Between 304 304L and 321 Stainless Steel ASTM A511 304 304L 309S 310S 316 316L 317 321 347 Stainless Steel Hollow Bar | Stainless Steel Hollow Tube; ASTM A312 TP304 TP304L TP304H TP316 TP316L TP317L TP321 TP316Ti TP347 TP347H TP310S TP309S Stainless Steel Pipe; 316 Stainless Steel has the same chemical composition as 304 coupled with another element, Molybdenum. Type 304. Grade 304 is general-purpose stainless steel and has the most extensive applications in the stainless steel family, such as tableware, cabinets, boilers, auto parts, medical appliances, building materials, chemicals, food industry, agriculture, shipping, oil transportation and so on. Grade 304 Vs. 316 Stainless Steel: What's the | Ulbrich Though the stainless steel 304 alloy has a higher melting point, grade 316 has a better resistance to chemicals and chlorides (like salt) than grade 304 stainless steel. Stainless Steel 304 Sheets Overview. 316 stainless steel tubes are more resistant to acids and alkalis and high temperatures than 304. In 304, chromium 18% while in 316 it's 16%. 304 is austenitic stainless steel. The difference between stainless steel 304 and 316 is usually due to the areas of use. The main difference is that 316 stainless steel has between 2% and 3% molybdenum in it. Both are non-magnetic, austenitic, and non-hardenable through heat treatment. 1. For thickness above 38mm, 304 tensile strength and yield strength is same with 316, meanwhile 304L is same with 316L, but hardness is different. . A2 (304, 18/8) is an austenitic steel and is non-magnetic. Posted on September 27, 2012 by rob bohn The simple answer is 304 contains 18% chromium and 8% nickel while 316 contains 16% chromium, 10% nickel and 2% molybdenum. Comparison of two grades of stainless steel 304 vs 316 Stainless Steel: Difference between 304 and 316 Stainless This is a prime example of how the price of stainless steel grades can fluctuate based on the ebb and flow of the raw material cost. 2) the requirements for nickel (Ni) content are slightly different. An extra 2-3% increase in molybdenum can reduce this sensitivity. It is essentially non-magnetic when annealed and may become slightly magnetic when cold-worked. Generally, 316 stainless steel is higher in price versus 304 stainless steel. Which is better? 304 vs 316 Stainless Steel Because of these 316-grade stainless steel is widely used for marine and chemical processing applications. Read More 316 Stainless Steel: This alloy is recommended for welding because it has a carbon content lower than 302 to avoid carbide precipitation in welding applications. Its composition contains at minimum 17% Chromium, 8% nickel, and 0.15% Sulfur/Selenium. It also includes carbon, silicon, and manganese. 304 Vs 304 Vs 316 Vs 316L Stainless Steel - SANS AISI 316 has slightly higher yield strength at 200 MPa (vs. 190 MPa for 304), while AISI 304 has a slightly higher melting point (1450C vs. 1400C for 316). The key difference between stainless steel grades 304 and 316 is the addition of molybdenum, an alloy that drastically enhances corrosion resistance, especially for more saline or chloride-exposed environments. The chromium provides a corrosion and oxidation resistance, however it can tarnish. The main difference between 304 vs 316 stainless steel is the composition and corrosion resistance, SS304 doesn't contain molybdenum while SS316 contains 2-3% molybdenum. 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.