Electroplating & Metal Finishing Capabilities & Specifications

Proudly Serving Boston, MA

Metal finishing services at Keystone Corporation meet government requirements as well as commercial and corporate specifications, including AMS, ASTM and MIL. Certifications acknowledging compliance are provided at no additional charge.

Our expert team members have technical assistance and recommendations are available upon request.

Our Plating for Electronic Applications

At Keystone Corporation, we offer a variety of electroplating services to meet your needs. Here is a comprehensive list of our various metal plating processes and the specifications they can be completed to:

Cadmium Plating – Clear, yellow, black & 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) & Sulfate 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 – Soft & hard

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 & matte

MIL-T-10727
ASTM B545
AMS 2408

Tin/Lead Solder Plating – Bright & matte 95-5, 90-10 & 60-40 alloys

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

Our Stainless Steel Treatments

Additionally, we can complete several stainless steel treatments and different types of passivization for Boston based clients. Review their specifications below:

Passivization

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

Pickle Passivization

ASTM A380

Additional Available Processes

We also complete several other plating and coating processes, completed to your needed specifications.

Zinc Phosphate & Manganese Phosphate Coating

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

Aluminum Conversion Coating – Alodine & iridite

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

Zinc Plating – Clear, yellow, black & olive drab chromate

QQ-Z-325
ASTM B633

Additional Special Surface Treatments Available

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

Contact Keystone Today

For more than 90 years, Keystone Corporation has assisted customers in completing commercial orders ranging from a few specialized pieces to high volume applications. All finishes are available for both rack and barrel plating applications. We maintain superior quality control through the entire finishing process, ensuring top quality metal finishing and plating at an affordable cost for any project. Our experienced staff will provide technical assistance as well as Certificates of Compliance to commercial, government, AMS, ASTM, and MIL specifications. Meeting your manufacturing needs is our top priority at Keystone Corporation. Contact us today to receive a personalized quotation based on your specific requirements.