Table II - Electrical Resistivities

TABLE III—Coercivities of Various Deposits
pct P Three to six pct Seven to nine pct >10 pct	Oe1 20 - 80 1 - 2 Non-magnetic

TABLE IV—Corrosion Resistance Using ASTM B117 Salt Spray Test
Coating Thickness	Hours to first appearance of rust pits
0.50 mils 0.88 mils 1.52 mils 2 mils	Coating A 24 96 96 96	Coating B 24 96 96 96	Coating C 24 96 96 96	Coating D 250 1000 1000 1000
Coating A - Ni-P (four to five pct P) Coating B - Ni-P (seven to eight pct P) Coating C - Ni-P (6.5 to eight pct P) Coating D - Ni-P (10 to 12 pct P)

TABLE V—Hardness vs. Phosphorus Content
	As Plated	Heat Treated
Low-phosphorus electroless nickel Mid-phosphorus electroless nickel High-phosphorus electroless nickel	700 480 450	930 980 980

TABLE VI—Temperature vs. Time
Temp (C) 260 285 320 400	Time (hrs) 20 16 8 1

TABLE VII—Taber Abrasion Data
Heat Treatment Ni-P, as plated Ni-P, 1 hr, 288C Ni-P, 0.25-1 hr, 400C Ni-P, 0.25-1 hr, 600C Ni-B, as-plated Ni-B, one hr, 400C	Taber Wear Index * 15-20 10-15 6 4 8-12 4
Chromium *Taber wear index = mg/weight loss/100 revs, CS-10 wheels, one kg load. 2

TABLE VIII—Major EN Specifications
AMS 2404 AMS 2405 ASTM B656 ASTM B733 MIL-C-26074E	Electroless Nickel Plating Electroless Nickel, Low-Phosphorus Guide for Autocatalytic Nickel-Phosphorus Deposition on Metals for Engineering Use Standard Specification for the Autocatalytic Nickel-Phosphorus Coatings on Metal Coatings, Electroless Nickel, Requirements for