Bozhong Stainless inventory now includes Alloy 302 (UNS S30200) in sheet, sheet coil, plate, round bar, processed flat bar and tubular products.   General Properties Alloy 302 is a variations of the 18% chromium / 8% nickel austenitic alloy, which is the most familiar and the most frequently used in the stainless steel family. Alloy 302 is a slightly higher carbon version of 304, often found in strip and wire forms. It is a tough, ductile grade that demonstrates comparable corrosion resistance, is non-magnetic, and is not hardenable by heat treatment. Alloy 302 is usually used in its annealed condition and has a high ease of fabrication and formability. Specifications: UNS S30200  Standards: ASTM/ASME: UNS S30200 EURONORM: FeMi35Cr20Cu4Mo2 Chemical Properties: C Mn Si P S Cr Ni N 302 max: 0.15 max:2.0 max: 0.75 max: 0.045 max: 0.03 min: 17.0 max: 19.0 min: 8.0 max: 10.0 max: 0.10 Mechanical Properties: Grade Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation % Hardness (Rockwell B) MAX 302 75 30 40 92 Physical Properties: Density lbm/in3 Thermal Conductivity (BTU/h ft. °F) Electrical Resistivity (in x 10-6) Modulus of Elasticity (psi x 106 Coefficient of Thermal Expansion (in/in)/ °F x 10-6 Specific Heat (BTU/lb/ °F) Melting Range (°F) at 68°F: 0.285 9.4 at 212°F 72.0 at 70°F 28 9.6 at 32 – 212°F 0.1200 at 32°F to 212°F 2500 to 2590 12.4 at 932 °F 10.2 at 32 – 1000°F 10.4 at 32 – 1500°F Corrosion Resistance 1、Provides useful resistance to corrosion on a wide range of moderately oxidizing to moderately reducing environments 2、The 18 -19% of chromium which this alloy contains provides resistance to oxidizing environments such as dilute nitric acid. 3、Resistant to moderately aggressive organic acids such as acetic, and reducing acids such as phosphoric. 4、’The 9-11% of nickel contained in this alloy provides resistance to moderately reducing environments. Machinability Slow speeds and high feeds will overcome this alloy’s tendency to work-harden Due to gummy chips, it is recommended that chip breakers are used on all tooling Weldability Can best be welded by resistance or shielded fusion methods Post weld annealing dissolves the chromium carbide and is recommended for maximum resistance to intergranular attack Hot Working Uniform heating to 2100oF will allow this allow to be forged, upset and headed successfully Do not work below 1700oF  Cold Working Will dramatically increase the hardness of this material; however, it is quite ductile and may readily be drawn, spun and upset Causes alloy 302 to become magnetic Post-fabrication annealing is necessary to retain maximum corrosion resistance and a non-magnetic condition