Metal Finishing Capabilities & Specifications

Keystone Corporation’s metal finishing processes meet the requirements of government, commercial and corporate specifications, including AMS, ASTM, and MIL specifications. Certification acknowledging compliance is provided at no additional charge. Technical assistance and recommendations are also available upon request. 

Contact us today with any questions regarding your specification or application requirements and a member of our expert team will be happy to assist you.

 

PLATING FOR ELECTRONIC APPLICATIONS

 

Cadmium Plating – Clear, Yellow, Black, and Olive Drab Chromate

  • AMS-QQ-P-416
  • AMS 2400
  • AMS 2401
  • ASTM B766
  • ISO 4521

 

Copper Plating

  • MIL-C-15540
  • AMS 2418
  • ASTM B734

 

Electrodeposited Nickel Plating (Bright) and Sulfamate Nickel Plating

  • AMS-QQ-N-290
  • ASTM B689
  • AMS 2403
  • AMS 2424
  • MIL-P-27418
  • ISO 1458

 

Electroless Nickel Plating

  • AMS-C-26074
  • ASTM B733
  • AMS 2404

 

Gold Plating – Hard and Soft

  • MIL-G-45204
  • ASTM B488
  • AMS 2422

 

Silver Plating – Bright, Semi Bright, Matte

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

 

Tin Plating – Bright and Matte

  • MIL-T-10727
  • ASTM B545
  • AMS 2408

 

Tin/Lead Solder Plating – Bright and Matte 95-5, 90-10, 60-40 Alloys

  • MIL-P-81728
  • AMS-P-81728
  • ASTM B579
  • M230 of MIL-F-14072

 

STAINLESS STEEL TREATMENTS

 

Passivation

  • AMS-QQ-P-35
  • AMS 2700
  • ASTM A967
  • ISO 16048

 

Pickle Passivation

  • ASTM A380

 

OTHER PROCESSES

 

Zinc Phosphate and Manganese Phosphate Coating

  • MIL-DTL-16232
  • TT-C-490
  • MIL-STD-171

 

Aluminum Conversion Coating (Alodine, Irridite)

  • MIL-DTL-5541
  • ASTM B449
  • ASTM B921
  • AMS 2473
  • AMS 2474

 

Zinc Plating – Clear, Yellow, Olive Drab, and Black Chromate

  • QQ-Z-325
  • ASTM B633

 

Special Surface Treatments

  • Cleaning for Oxygen Service
  • Cleaning
  • Pickling
  • Electropolishing
  • Buffing and Polishing
  • Abrasive Blasting

Plated metal parts