SS 309 is a type of stainless steel that is used in a variety of applications. Some of the properties of ss-309 include its tensile strength, resistance to oxidation, electrical resistivity, density and also used in SS 309 chemical composition. SS 309 Washer Density Stainless Steel 309 is an austenitic chromium-nickel stainless steel with high corrosion resistance. It is often used for applications where it is exposed to high temperatures. It is also useful for handling acetic acid and nitric acid. This alloy can be easily drawn and welded. It has a melting point of 1455 degC and has a tensile strength of 620 MPa. Type 309 has a low carbon content. This results in reduced carbide precipitation and improved oxidation resistance. It is also more resistant to sulfur attack at high temperatures. It has a higher chromium content than the standard SS 308 alloy. It is more corrosion-resistant than most heat-resistant alloys. Alloy 309 and the lower-carbon version, SS 309S, are both highly alloyed stainless steels. The alloys contain less nickel than Type 310 and can be drawn or welded easily. SS 309 Washer Tensile strength Stainless steel 309 is a high-chromium-nickel austenitic alloy. It has good strength at room temperature, and it also has excellent resistance to oxidation and heat corrosion. It is used in a wide range of applications. Its tensile strength is very similar to that of 18-8 Stainless Steel. It is also resistant to sulfidation and nitric acid. It is commonly used in elevated temperatures, and it is a good material for applications involving nitric-sulfuric acid mixtures. It is also a good choice for acetic acid handling. It is also an effective weld filler. It can be fabricated with common shop fabrication processes. Stainless steel 309 is available in round bars, square bars, hexagons, and other hot rolled and extruded shapes. It has a hardness of 95 on the Brinell scale, and its electrical resistivity is 30.7 x 10-6 at 68. SS 309 Washer Resistance to oxidation SS 309 is an austenitic chromium-nickel stainless steel that offers good resistance to oxidation. It is widely used for a number of applications. Some of these include the protection of welded joints in pressurized water reactors. The oxidation resistance of this alloy is dependent on its chromium content. The nickel is also important in allowing for the high oxidation resistance of this alloy. This alloy can be easily formed and has a tensile strength of 620 MPa. The modulus of elasticity is 29.0 x 106 psi. It can be welded using common welding techniques. The density is 0.290 lb/in3. It is resistant to galling at elevated temperatures. It is commonly used for fasteners. It is suitable for use in applications where high strength is required, from -320degF to 1000degF. Electrical resistivity SS 309 is a heat resistant stainless steel that is often used in applications that require corrosion resistance. It is also a good choice for applications that demand oxidation resistance. This alloy is a good choice for welding purposes because of its high chromium content and tensile strength. Stainless steel 309 is an austenitic chromium-nickel alloy. This combination of elements provides a tensile strength that is superior to a comparable amount of 304. Alloy 309 has a very low carbon content, which results in less carbide precipitation and better weldability. It has moderate oxidation resistance under non-cyclic conditions and high oxidation resistance under cyclic conditions. It is suitable for applications that involve nitric acid, acetic acid and sulfur bearing atmospheres. This alloy also has a high tensile strength at elevated temperatures. It is similar to AISI B1112 steel. Alloy 309 can be welded by using a variety of common welding methods. However, it should not be used in wet corrosive environments. SS 309 Washer Applications Stainless steels are used for a variety of applications. These are found in appliances, medical equipment, and surgical instruments. Some of the other applications include springs, gears, air conditioners, and dental tools. Typically, these are used in high-temperature environments. Alloy 309 is an austenitic chromium-nickel stainless steel. The alloy contains a minimum of 22% chromium and a minimum of 0.03% sulfur. The chromium content improves the corrosion resistance of the alloy. The low carbon content of the alloy helps to improve the weldability of the alloy. The higher nickel content of the alloy provides improved oxidation resistance. The lower carbon content also helps to minimize the carbide precipitation in the alloy. This enables a high resistance to oxidation at elevated temperatures. Alloy 309 is often used in high temperature oxidation-resistant applications. It can be supplied in rolled or tempered condition. It is suitable for machining and can be deep drawn or stamped. This material has excellent heat resistance and a high tensile strength.