AOTCO Metal Finishing Co., Inc.

Phone: 978-667-8298
Fax: 978-670-2441
AOTCO Metal Finishing, Inc.
11 Suburban Park Drive
Billerica, MA 01821

Mastercard^® and Visa^® Accepted

Plating Specifications

Plating

SELECTIVE PLATING; PRECISION MASKING IN ALL PROCESSES
SPECIALIZING IN DOUBLE OR TRIPLE
FINISHES ON THE SAME PART.

Anodizing Aluminum-Chromic

MIL-A-8625 Type 1
ASTM B580
AMS 2470

Electro polishing of Stainless Steel (300 Series)

NO MIL SPEC

Anodizing Aluminum - Sulfuric

MIL-A-8625 Type II
ASTM B580
AMS 2472

Gold Plating

MIL-G-45204
ASTM B488
AMS 2422
AMS 2425

Anodizing Aluminum - Hard

MIL-A-8625 Type III
ASTM B580
AMS 2469

Nickel Plating - Electrodeposited

AMS-QQ-N-290
ASTM B689
AMS 2403
AMS 2423

Black Oxide of Copper Alloys

MIL-F-495

Passivation of Stainless Steel

AMS-QQ-P-35
ASTM A380
ASTM A967

Cadmium Plating

QQ-P-416
ASTM B766
AMS 2400

Passivation of Titanium

ASTM F86

Chromate Conversion Coatings of Aluminum Alloys

MIL-C-5541
ASTM B449
AMS 2473
AMS 2474

Rhodium

MIL-R-46085
ASTM B634
AMS 2413

Chromium Plating

AMS-QQ-C-320 Type 1, TYPE 11, CLASS 1
ASTM B456

Silver Plate

QQ-S-365
ASTM B700
AMS 2410
AMS 2411
AMS 2412

Copper Plating

MIL-C-14550
ASTM B734
AMS 2418

Sulfamate Nickel Plating

MIL-P-27418
AMS 2424

Tin Plating

MIL-T-0727
ASTM B545
AMS 2408

Electroless Nickel Plating

MIL-C-26074 Low, Med or High Phos.
ASTM B733
AMS 2404
AMS 2405

Tin Lead

AMS-MIL-P-81728 60/40
ASTM B579
MIS-41177 90/10

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