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FINGERSTOCK

PLATINGFINISHES

REQUIRED FINISH FINISH SPECIFICATIONS I.D.#

Bright Finish —— —— 02 Solderable Unplated —— —— 21 Gold ASTM B-488/SAE AMS 2422 03 Gold Nickel underplate QQ-N-290 / ASTM B-488 10 Silver Silver ASTM B-700 04 Dull QQ-N-290 09 Nickel Bright QQ-N-290 19 Engineering (Sulfamate) SAE AMS 2424 24 Electroless Nickel Mid Phos Electroless Nickel MIL-C-26074 18

Available plating finishes picturedabove (from top to bottom): Tin Plating, Nickel Plating, Ultra-Soft and HT.

Tin Satin/Matte ASTM B-545 08 Bright ASTM
*Not recommended for Foldover Series

COMMON METAL SURFACESGROUPMETALLURGICAL CATEGORY ANODIC NUMBER INDEX, COMMON METAL SURFACESGROUPMETALLURGICAL CATEGORY ANODIC NUMBER INDEX,

V V

1Gold; Au-Pt alloys; wrought platinum; graphite carbon 0.00 20.05 cast Al-Si alloys; 6000 series aluminum20Cast aluminum alloys other than Al-Si; 0.95 3Rhodium plating 0.10 cadmium plating 4Silver; high-silver alloys 0.15 211.00 50.20 221.05 60.25 231.10 7Nickel; nickel-copper alloys; titanium, titanium alloys; Monel 0.308Beryllium copper; low brasses or bronzes; silver solder; 0.35copper; Ni-Cr alloys; austenitic corrosion-resistant steels; most 241.15 25Hot-dip galvanized or electrogalvanized steel1.20 chrome-moly steels; specialty high-temp stainless steels

26Wrought zinc; zinc die casting alloys1.25

9Commercial yellow brasses and bronzes0.40

271.30

10High brasses and bronzes; naval brass; Muntz metal0.451118% Cr type corrosion resistant steels; common 300 series 0.50

281.35 291.40

stainless steels

301.45

120.55 13Chromium or tin plating; 12% Cr type corrosion resistant0.60steels; most 400 series stainless steels, i.e., 410 and some

311.50 321.55

cast stainless steels

331.60

14Terneplate; tin-lead solder0.65

341.65

15Lead; high-lead alloys 0.70

351.70

16Wrought 2000 series aluminum alloys 0.75

36Wrought and cast magnesium alloys1.75

170.8018Wrought gray or malleable iron; plain carbon 0.85and low-alloy steels; armco iron; cold-rolled steel 19Wrought aluminum alloys except 2000 series 0.90

371.8038Beryllium1.85

For additional information on any of the other products available, please contact sales for assistance or visit www.lairdtech.com.

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