303 Stainless Steel with the addition of Selenium improves machinability and AISI 303 stainless steel physical properties are given in the following lists, including density, thermal expansion, elastic modulus, thermal conductivity, specific heat capacity and electrical Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. The machinable nature of grade 303 is due to the presence of Sulphur in the steel composition. Modulus of Elasticity: 193 GPa (28000 ksi) Mechanical Properties of SS303. It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. 303 Stainless Steel, annealed bar Categories: Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 300 Series Stainless Steel. Properties with values for just one material (2, in this case) are not shown. Selenium replaces sulfur to produce the free-machining characteristics and has somewhat improved formability over 303. 18-8 Chromium- Nickel Freemachining Stainless Steel Available mainly in wire and bar form to ASTM A581 and A582. That is close enough for all of them. There are 33 material properties with values for both materials. Toggle navigation. Being an austenitic steel, it is useful where low magnetic permeability is desired. 303 is used almost exclusively for parts requiring machining, grinding, or polishing where good corrosion resistance is also required. Widely used for fabricating fittings and fasteners, 303 stainless steel machines quickly without sticking to cutting tools. Austenitic steels are AISI 420 Stainless Steel vs. Its composition contains at minimum 17% Chromium, 8% nickel, and 0.15% Sulphur/Selenium. Category : Steel: Class : Stainless steel: Type : Austenitic standard: Common Names : Chromium-Nickel steel: Designations : France: AFNOR Z 10 CNF 18.09 Germany: DIN 1.4305 Italy: UNI x 10 CTNiS 18 09 Japan: JIS SUS 303 Sweden: SS 2346 United Kingdom: B.S. It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. Chemistry Typical Stainless steel type 1.4305 is popularly known as grade 303 stainless steel. Both AISI 420 stainless steel and cold drawn AISI 303 are iron alloys. It is suited to nuts and sus304 contains a minimum of 18% chromium and 8% nickel which gives its alternate name General Properties. Composed of slightly higher levels of chromium (16-18%) and nickel (10-14%) than types 303 and 304, the most distinguishable properties of 316 stainless steel come from the addition of 2-3% molybdenum, an element which significantly improves the alloys corrosion resistance. Welding of Stainless Steel Alloy 303. The sulphur addition present in Grade 303 stainless steel results in poor weldability. If Grade 303 stainless steel must be welded the recommended filler rods or electrodes are grades 308L and 309 stainless stee ls. For maximum corrosion resistance, the welds must be annealed. Applications of Stainless 303 is one of the most popular of all the free machining stainless steels. It will resist scaling at temperatures up to 1600 F (871 C). Physical Properties: 303 stainless steel density, g/cm3 (lb/in.3) Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. Type 304 has an ultimate tensile strength of 51,500 psi, yield strength of 20,500 psi and 40% elongation in 2. Stainless steel type 304 comes in many different sizes and shapes including bar, angle, rounds, plate, channel and beams. This steel is used in many industries for many different purposes. Javascript is disabled on your browser. Farmers Copper Ltd. maintains an inventory of 303 Stainless Steel in a variety of shapes such as sheet, plate, and round rod. 303Se Stainless Steel is an austenitic steel that contains chromium and nickel. The good mechanical and corrosion-resistant properties of the lower-sulfur grade are retained to the extent possible. 303 is a free machining chromium-nickel austenitic stainless steel with good strength and good corrosion resistance, as supplied in the annealed condition with a typical brinell hardness of 190. Stainless Steel 303 is a free machining non-magnetic austenitic alloy specially designed for improved machinability while maintaining good mechanical and corrosion resistant properties. Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. 303 stainless steel is a free-machining grade of 304 that has sulfur added to increase its machinability . It is particularly desired for automatic machining operations for this reason. It also maintains the mechanical and corrosion resistance common to stainless steel. Selenium can be added to improve hot and cold forming properties. Typical Mechanical Properties Grade 303 Tensile Strength (MPa) 500 Proof Stress 0.2% (MPa) 190 Elongation A5 (%) 35 Hardness Rockwell (HB) 262max Typical Physical Properties Its non-seizing and non-galling properties make it ideal for moving parts. The machineable nature of Grade 303 stainless steel is due to the presence of Sulphur in the steels composition. It's often used in the construction of aircrafts, bridges, pipelines (Edrawings). Density of 303 Stainless Steel: 8.03 kg/m3 (0.289 lb/in) Melting Point: 1400 1420 C. The properties of AISI 303 stainless steel include two common variations. Density of SS316 & SS304, 303 chart, specific gravity The density of stainless steel is about The 18/8 type austenitic stainless steels are normally tough to machine, but type 303 has been accepted for use on automatic screw machines where it can be machined at about 70% of the speed of B1112 screw stock. It offers good strength, corrosion resistance and great machinability. Applications. Chemical Properties: The 303 stainless steel is made of 17% to 19% of chromium along with 8% to 10% nickel. Rockwell C A sulphur-bearing chromium-nickel austenitic steel, this grade offers excellent machinability, non-galling properties and good corrosion resistance. Stainless Steel Grades Explained. Contact our team for more information! It is a non-magnetic austenitic stainless steel which is not hardenable by heat treatment. To view this site, you must 303 stainless steel comes from the austenitic family, meaning it is a metallic, non-magnetic material consisting of chromium, nickel, and other added elements. SUS303 is a free-machining grade of 304 stainless steel that contains added sulphur or selenium. They have 86% of their average alloy composition in common. General characteristics of Stainless Steel 303. My cart. .60Opt. I use .283 lb/in^3 for all steel and stainless alloys. Annealed. What is the density of 303 ss? The density or weight per volume unit Density of stainless steel 303 ranges between around 0.282 lb/in^3 and 0.290 lb/in^3. 303 has fairly good forming properties. Learn important details about stainless-steel 303 and other metals using the OnlineMetals.com Product Guide. Stainless steel 303 is a metal with high corrosion resistance and strength. Density of stainless steel 303. Alloy Cold Drawn AISI 303. (HBN) 202 Grade Density Modulus of Elasticity in Tension Melting Range lb/in3 303 7.92 0.286 28 x 106 psi 1398-1446C 193 GPa 2550-2635F Modulus Here are some of the physical properties of this type of stainless steel, It's often used in the construction of aircrafts, bridges, pipelines (Edrawings). Type 316. Density: 7.9 kg/m : Mean Co-efficient of Thermal Expansion 0C - 100C: 17.2 um/mK: Modulus of Elasticity: 193: Specific Heat Capacity: 500J/kgK: Melting Range: Key Words: T303, T 303, 303SS, 303 SS, AFNOR Z 10 CNF 18.09 (Fr), UNI X 10 CrNiS 18 09, SUS 303, SS14 2346 (Sweden), B.S. T-303. The addition of sulphur or selenium increases the machinability. Learn more about the mechanical properties of the 303 stainless steel materials we use in our threaded insert products. It is also non-hardenable. This page shows summary ranges across both of them. 303 stsinless steel is the optiumum machining grade austenitic stainless grade. Used in an incredibly wide variety of parts both in screw and general machining industries. 303 S 21 United States: AMS 5640 (Type 1) , ASME SA194 , ASME SA320 , ASTM A194 , ASTM A314 , ASTM A320 , Property Type 303 Hardness, Max. Save up to 60% on Select Carbon Steel Sheet/Plate Today! Penn Stainless inventory includes 303 grade stainless steel (UNS S30300) in plate, round bar, square bar, hex bar, and rolled flat bar. Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. Chromium Physical Properties Density ( Kg/m3) Iron Remainder Nickel Parameter Yield 0.2 % ( Mpa/Nmm2), Min Carbon Tensile ( Mpa/Nmm2), Min Manganese Elongation (% in 50MM ), Min Whilst the Sulphur improves The weight of stainless steel per cubic inch is 0.285 pound. What are the properties of 303 stainless steel? Stainless 303 Volume to Weight Calculator Choose other material Grade 303 is the most readily machinable of all the austenitic grades of stainless steel. EN 1.4305 303 Stainless Steel provides good oxidisation resistance in intermittent service to 760C (1400F) and continuous service to 870C (1,598F) The use of 303 stainless steel is not Tight-Tolerance Easy-to-Machine 303 Stainless Steel This material has tighter tolerances than standard 303 stainless steel. The density or weight per volume unit can range from 785 kg/m3 to 990kg/m3 depending on alloy composition. Type 303 stainless is a free-machining grade that owes its machining properties to the addition of sulfur. Stainless steel 303 is a metal with high corrosion resistance and strength. Alloy 303 06/2014 www.SandmeyerSteel.com SANDMEYER STEEL COMPANY ONE SANDMEYER LANE PHILADELPHIA, PA 19116-3598 800-523-3663 +1-215-464-7100 FAX +1-215-677 For more specific values, follow the links 303 S 21, UNS S30300, AMS 5640 (1), ASME SA194, ASME SA320, ASTM A194, ASTM A314, ASTM A320, ASTM A320, It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. Physical Properties 303 .