51S High Precision Tweezers 4 1/2 115 mm As 5A, bent tips for max visibility 51S.SA Anti-Magnetic Anti-Acid Stainless Steel General Notes low carbon austenitic steel (Material number 1.4435, DIN X2CrNiMo18-14-3, AISI number 316L) contains from 16.5 to 18.5 wt% chromium and has important quantities of nickel and molybdenum as additional alloying elements non-magnetizable good corrosion resistance to most chemicals, salts and acids generally used where corrosion resistance and toughness are primary requirements typical applications include tweezers for the electronic industry, watch-makers, jewelers and laboratory and medical applications in moderately aggressive chemical environments CompositionComponent Wt.% Component Wt.% Component Wt.% C 0.03 Si 1.0 Mn 2.0 P 0.045 S 0.03 Cr 17.0-19.0 Mo 2.5-3.0 Ni 12.5-15.0 Mechanical properties: State annealed Density 8.0 g/cm hardness HB30 215 Hardness Rockwell B 79 Tensile strength, ultimate 500-700 MPa Tensile strength, yield 290 0.2% Yield stress 200 MPa Elongation, break 40% Modulus of elasticity 200 GPa Thermal properties Coef. of lin. therm expansion 16.0 E-6/C 20C-100C Coef. of lin. therm expansion 17.0 E-6/C 20C-300C Specific heat capacity: 0.50 J/(gK) Thermal conductivity: 15W/(mK) Continuos use temperature: 350C Max service temperature, ait 925C Electrical properties Resistivity 0.75 E-4 Ohm.cm IDEAL-TEK SA Credits