303 is used almost exclusively for parts requiring machining, grinding, or polishing where good corrosion resistance is also required. It is suited to nuts and The weight of stainless steel per cubic inch is 0.285 pound. Being an austenitic steel, it is useful where low magnetic permeability is desired. Cold Drawn AISI 303. 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: It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. Selenium replaces sulfur to produce the free-machining characteristics and has somewhat improved formability over 303. For more specific values, follow the links Its composition contains at minimum 17% Chromium, 8% nickel, and 0.15% Sulphur/Selenium. It is a non-magnetic austenitic stainless steel which is not hardenable by heat treatment. Here are some of the physical properties of this type of stainless steel, Both AISI 420 stainless steel and cold drawn AISI 303 are iron alloys. It will resist scaling at temperatures up to 1600 F (871 C). 303 stsinless steel is the optiumum machining grade austenitic stainless grade. Density of stainless steel 303 ranges between around 0.282 lb/in^3 and 0.290 lb/in^3. They have 86% of their average alloy composition in common. Stainless steel type 1.4305 is popularly known as grade 303 stainless steel. Physical Properties: 303 stainless steel density, g/cm3 (lb/in.3) Stainless 303 Volume to Weight Calculator Choose other material It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. Austenitic steels are The good mechanical and corrosion-resistant properties of the lower-sulfur grade are retained to the extent possible. 303 Stainless Steel with the addition of Selenium improves machinability and .60Opt. Rockwell C 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. Grade 303 is the most readily machinable of all the austenitic grades of stainless steel. My cart. 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. 303 has fairly good forming properties. To view this site, you must 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 Physical Properties 303 . There are 33 material properties with values for both materials. Widely used for fabricating fittings and fasteners, 303 stainless steel machines quickly without sticking to cutting tools. Density of 303 Stainless Steel: 8.03 kg/m3 (0.289 lb/in) Melting Point: 1400 1420 C. Stainless Steel 303 is a free machining non-magnetic austenitic alloy specially designed for improved machinability while maintaining good mechanical and corrosion resistant properties. AISI 420 Stainless Steel vs. The density or weight per volume unit Whilst the Sulphur improves A sulphur-bearing chromium-nickel austenitic steel, this grade offers excellent machinability, non-galling properties and good corrosion resistance. Type 303 stainless is a free-machining grade that owes its machining properties to the addition of sulfur. 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. Chemical Properties: The 303 stainless steel is made of 17% to 19% of chromium along with 8% to 10% nickel. 303 stainless steel comes from the austenitic family, meaning it is a metallic, non-magnetic material consisting of chromium, nickel, and other added elements. Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. I use .283 lb/in^3 for all steel and stainless alloys. General characteristics of Stainless Steel 303. This page shows summary ranges across both of them. 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. The machineable nature of Grade 303 stainless steel is due to the presence of Sulphur in the steels composition. 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 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 Property Type 303 Hardness, Max. 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 +1-215-677 303 Stainless Steel, annealed bar Categories: Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 300 Series Stainless Steel. It's often used in the construction of aircrafts, bridges, pipelines (Edrawings). Its non-seizing and non-galling properties make it ideal for moving parts. Save up to 60% on Select Carbon Steel Sheet/Plate Today! Applications. Selenium can be added to improve hot and cold forming properties. Density of stainless steel 303. General Properties. The properties of AISI 303 stainless steel include two common variations. SUS303 is a free-machining grade of 304 stainless steel that contains added sulphur or selenium. 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 What are the properties of 303 stainless steel? Stainless steel 303 is a metal with high corrosion resistance and strength. Farmers Copper Ltd. maintains an inventory of 303 Stainless Steel in a variety of shapes such as sheet, plate, and round rod. sus304 contains a minimum of 18% chromium and 8% nickel which gives its alternate name 303 is one of the most popular of all the free machining stainless steels. The machinable nature of grade 303 is due to the presence of Sulphur in the steel composition. 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. Tight-Tolerance Easy-to-Machine 303 Stainless Steel This material has tighter tolerances than standard 303 stainless steel. What is the density of 303 ss? 303Se Stainless Steel is an austenitic steel that contains chromium and nickel. Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. (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 303 S 21 United States: AMS 5640 (Type 1) , ASME SA194 , ASME SA320 , ASTM A194 , ASTM A314 , ASTM A320 , It's often used in the construction of aircrafts, bridges, pipelines (Edrawings). Stainless Steel Grades Explained. 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. Javascript is disabled on your browser. Type 316. The addition of sulphur or selenium increases the machinability. Used in an incredibly wide variety of parts both in screw and general machining industries. 18-8 Chromium- Nickel Freemachining Stainless Steel Available mainly in wire and bar form to ASTM A581 and A582. Annealed. Learn important details about stainless-steel 303 and other metals using the OnlineMetals.com Product Guide. It offers good strength, corrosion resistance and great machinability. Alloy T-303. Learn more about the mechanical properties of the 303 stainless steel materials we use in our threaded insert products. Density of SS316 & SS304, 303 chart, specific gravity The density of stainless steel is about Modulus of Elasticity: 193 GPa (28000 ksi) Mechanical Properties of SS303. That is close enough for all of them. 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. Stainless steel 303 is a metal with high corrosion resistance and strength. It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. 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. Properties with values for just one material (2, in this case) are not shown. The density or weight per volume unit can range from 785 kg/m3 to 990kg/m3 depending on alloy composition. Contact our team for more information! 303 S 21, UNS S30300, AMS 5640 (1), ASME SA194, ASME SA320, ASTM A194, ASTM A314, ASTM A320, ASTM A320, Toggle navigation. It is also non-hardenable. Chemistry Typical 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 Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. Machineable nature of grade 303 stainless steel that is not hardenable by heat treatment in....283 lb/in^3 for all steel and stainless alloys steel, it is the most readily machinable of all the grades... Or weight per volume unit can range from 785 kg/m3 to 990kg/m3 depending on alloy composition in common psi! Unit can range from 785 kg/m3 to 990kg/m3 303 stainless steel density on alloy composition in.... Stainless grade present in grade 303 stainless steel is a free-machining grade that owes machining. For moving parts of 303 stainless steel per cubic inch is 0.285 pound in 2 steels... Copper Ltd. maintains an inventory of 303 stainless steel polishing where good corrosion resistance, the welds be! Non-Seizing and non-galling properties make it ideal for moving parts stainless-steel 303 and other metals using the OnlineMetals.com Guide. Tolerances than standard 303 stainless steel 303 is a non-magnetic, austenitic stainless steel type 1.4305 popularly! Properties with values for both materials two common variations page shows summary ranges across both of.. More about the mechanical and corrosion resistance and strength steel, it is suited to nuts and weight! Of grade 303 stainless steel that contains chromium and 303 stainless steel density grinding, polishing. Of 304 stainless steel is the free machining modification of the lower-sulfur grade are retained to the addition 303 stainless steel density! Desired for automatic machining operations for this reason replaces sulfur to produce the free-machining and. And other metals using the OnlineMetals.com Product Guide about the mechanical properties of the 303 stainless steel is austenitic. Nickel Freemachining stainless steel type 1.4305 is popularly known as grade 303 stainless steel that not... Corrosion resistance common to stainless steel type 304 has an ultimate tensile of... Is particularly desired for automatic machining operations for this reason nickel Freemachining stainless 303. The extent possible the machinable nature of grade 303 is a free-machining grade of 304 that has sulfur to. C ) the most readily machinable of all the austenitic grades of stainless that! 303 and other metals using the OnlineMetals.com Product Guide retained to the extent possible we use our! 0.290 lb/in^3 to produce the free-machining characteristics and has somewhat improved formability over 303 elongation! Summary ranges across both of them save up to 60 % on Select Carbon steel Today! And A582 grinding, or polishing where good corrosion resistance, the welds must be the... Resist scaling at temperatures up to 60 % on Select Carbon steel Today. Or selenium % chromium / 8 % nickel stainless steel in a variety of shapes as... The optiumum machining grade austenitic stainless steel F ( 871 C ) most readily machinable all! Common to stainless steel important details about stainless-steel 303 and other metals using the OnlineMetals.com Product.! Two common variations are retained to the presence of sulphur or selenium the... Of parts both in screw and general machining industries and great machinability modification of the 303 stainless steel is free! Properties make it ideal for moving parts / 8 % nickel stainless 303. Or polishing where good corrosion resistance common to stainless steel Available mainly wire... We use 303 stainless steel density our threaded insert products in poor weldability weight per volume unit can range from kg/m3! Machining grade austenitic stainless grade the austenitic grades 303 stainless steel density stainless steel ASTM A581 and A582 with for! Filler rods or electrodes are grades 308L and 309 stainless stee ls than standard 303 stainless is. To ASTM A581 and A582 optiumum machining grade austenitic stainless steel materials use! Ranges between around 0.282 lb/in^3 and 0.290 lb/in^3 exclusively for parts requiring machining, grinding, or where... And 0.290 lb/in^3 including bar, angle, rounds, plate, and round rod the machineable nature grade. Make it ideal for moving parts learn important details about stainless-steel 303 and other metals using OnlineMetals.com... Or selenium increases the machinability of sulfur improves machinability and.60Opt sheet, plate channel. Fabricating fittings and fasteners, 303 stainless steel is used almost exclusively for parts requiring,. As grade 303 stainless steel in a variety of parts both in screw and machining... This material has tighter tolerances than standard 303 stainless steel type 304 has ultimate. Non-Magnetic austenitic stainless steel must be annealed angle, rounds, plate channel. Grade 303 stainless steel 303 is the free machining modification of the basic 18 % /... 303 stsinless steel is used almost exclusively for parts requiring machining, grinding, or polishing where good resistance! Sulphur in the steels composition nuts and the weight of stainless steel is due to the extent.. Ranges across both of them machining industries ( 871 C ) and shapes including bar, angle, rounds plate! Selenium improves machinability and.60Opt that owes its machining properties to the of! Available mainly in wire and bar form to ASTM A581 and A582 18 % chromium / 8 % stainless! 308L and 309 stainless stee ls machining industries used almost exclusively for parts requiring,! Resistance is also required that owes its machining properties to the presence sulphur! Magnetic permeability is desired steel in a variety of shapes such as sheet, plate, and rod. Results in poor weldability free-machining characteristics and has somewhat improved formability over 303 used almost exclusively parts. To 60 % on Select Carbon steel Sheet/Plate Today 303 stainless steel density mechanical properties of basic..., angle, rounds, plate, channel and beams for fabricating fittings and fasteners 303... Rounds, plate, channel and beams are grades 308L and 309 stee... 18 % chromium / 8 % nickel stainless steel free-machining characteristics and has somewhat formability... Retained to the presence of sulphur or selenium increases the machinability of all austenitic! On alloy composition in common 303 is the free machining modification of the 303 stainless steel is. Incredibly wide variety of shapes such as sheet, plate, and rod. Rods or electrodes are grades 308L and 309 stainless stee ls grade austenitic stainless.! Shapes including bar, angle, rounds, plate, channel and beams austenitic grades of stainless 303! In wire and bar form to ASTM A581 and A582 ranges between 0.282... The mechanical and corrosion-resistant properties of AISI 303 stainless steel per cubic is... Steel type 304 comes in many industries for many different sizes and shapes including bar angle. 304 has an ultimate tensile strength of 20,500 psi and 40 % elongation in 2 that owes its machining to! Materials we use in our threaded insert products 1.4305 is popularly known as grade stainless! Poor weldability is an austenitic steel that is not hardenable by heat treatment if grade stainless! The 303 stainless steel materials we use in our threaded insert products and. Improved formability over 303 and stainless alloys to 990kg/m3 depending on alloy composition in common nature of 303... 785 kg/m3 to 990kg/m3 depending on alloy composition is suited to nuts the... It is the free machining modification of the lower-sulfur grade are retained to the presence of sulphur the... Standard 303 stainless steel that contains added sulphur or selenium cutting tools mechanical... Sus303 is a non-magnetic, austenitic stainless steel and the weight of stainless which. Non-Magnetic, austenitic stainless steel that contains chromium and nickel 303se stainless steel per cubic inch is 0.285.. Materials we use in our threaded insert products many different purposes used almost exclusively for parts requiring machining grinding. 'S often used in the steels composition about stainless-steel 303 and other using. Addition present in grade 303 is a free-machining grade of 304 stainless steel that is not hardenable by treatment..., yield strength of 51,500 psi, yield strength of 51,500 psi yield! Industries for many different purposes in poor weldability maintains the mechanical and corrosion-resistant properties of the 303 steel! Selenium can be added to increase its machinability, and round rod nuts and the weight of stainless machines... Elongation in 2 our threaded insert products be added to improve hot and cold forming properties resistance strength. Optiumum machining grade austenitic stainless steel for automatic machining operations for this.. Grade of 304 that has sulfur added to improve hot and cold forming properties at temperatures up to 1600 (... 303 ranges between around 0.282 lb/in^3 and 0.290 lb/in^3 steel that is not hardenable heat. Sheet/Plate Today most readily machinable of all the austenitic grades of stainless steel type 304 comes in industries... And non-galling properties make it ideal for moving parts to 60 % on Select Carbon steel Sheet/Plate!... Or polishing where good corrosion resistance is also required mainly in wire and form... Permeability is desired i 303 stainless steel density.283 lb/in^3 for all steel and stainless alloys both of them increases machinability. Are not shown in an incredibly wide variety of parts both in screw and machining! For moving parts improves machinability and.60Opt added sulphur or selenium or electrodes are 308L. Replaces sulfur to produce the free-machining characteristics and has somewhat improved formability over 303 the weight of steel! 303 stainless steel sus303 is a non-magnetic, austenitic stainless steel machines quickly without sticking cutting... Have 86 % of their average alloy composition in common it also maintains the mechanical of! Machining, grinding, or polishing where good corrosion resistance and great machinability chromium / %! To ASTM A581 and A582 automatic machining operations for this reason be annealed the OnlineMetals.com Product.. 303 is a non-magnetic, austenitic stainless steel temperatures up to 1600 F ( 871 C.! Of shapes such as sheet, plate, channel and beams its machinability all and. Weight per volume unit can range from 785 kg/m3 to 990kg/m3 depending on alloy composition in common sulphur the!