TECH BRIEFS AMETEK’ SPECIALTY METAL PRODUCTS WALLINGFORD Advantages AMETEK High Purity Nickel offers advantages to the rechargeable battery industry. Typical applications for rechargeable batteries include computers, cellular phones, power tools, electric vehicles, and camcorders. Other advantages offer: • Lowest electrical resistivity available in pure nickel strip. • Significantly low levels of surface oxides reduce die wear • Homogeneity, microcleanliness, and close composition control and provide excellent solderability. enhances weldability. • Excellent formability. CHEMICAL COMPOSITION IN PERCENT (Maximum values except where noted otherwise) (a) This is a minimum, not nominal value. The data herein are subject to revision without notice. Since AMETEK products, and the information given and recommendations made herein, may be used under conditions beyond our control, AMETEK makes no guarantee, either expressed or implied, concerning the sustainability of our products, or the applicability and accuracy of the information, or recommendations, in any specific situation. User is solely responsible for determining the suitability of AMETEK products of any specific purpose.

TEMPER UTS 0.2% YS ELONGATION ROCKWELL B VICKERS HARDNESS 899 Nickel Strip meets ASTM B-162, ASTM F-3, ASTM F-239, MIL-N-19153 and MIL-N-46025

TYPICAL SOFTENING CURVES Mn TEMPERATURE °F (30 minutes at temperature tests) TEMPERATURE °F (30 minutes at temperature tests) TYPICAL COLD ROLLED CURVES % COLD REDUCTION % COLD REDUCTION RECRYSTALLIZATION GRAIN GROWTH COMPARISON (AMETEK Wrought Powder Metallurgy Nickel and Wrought Cast Nickel) NI GRADE A STM GRAIN SIZE AFTER INDICATED HEAT TREATMENT, °F ASTM GRAIN SIZE BEFORE 50% COLD ROLLED Specifications Subject to Change Without No

SPECIFICATIONS PHYSICAL PROPERTIES (Typical Handbook Values for Pure Nickel) DENSITY AT 70°F 8.90 g/cc; 0.322 lb./cu.in. COEFFICIENT OF LINEAR EXPANSION (IN./IN.-°C) 20-100°C 0.000014 ATOMIC NUMBER 28 ATOMIC WEIGHT 58.1 ATOMIC RADIUS (A) 1.25 CRYSTAL STRUCTURE f.c.c. LATTICE CONSTANT “a” (A) 3.52 MELTING POINT 1,453°C; 2,647°F LATENT HEAT OF FUSION 73.8 cal./g. SPECIFIC HEAT AT 20°C-BTU/lb./°F 0.105 ELECTRODE POTENIAL 0.25 volts VELOCITY OF SOUND 16,300 ft./sec.; 4,973 m/sec. POISSON’S RATIO 0.31 THERMAL NEUTRON CROSS SECTION (BARNS) Absorption: 4.6 Scattering: 17.5 CURIE TEMPERATURE 353°C;...