Metal Finishing Boston, MA
Metal Finishing and Electroplating for Boston Manufacturers
Keystone Corporation provides specification driven metal finishing for OEMs and contract manufacturers supporting Boston and the greater New England region. Our coatings meet AMS, ASTM and MIL requirements and are backed by full certification.
Metal Finishing For High Reliability Parts in Boston, MA
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, giving quality and purchasing teams the documentation they expect.
From electronics and medical devices to power systems, robotics and defense hardware, our team helps Boston manufacturers choose the right coating, thickness and testing plan for each part and program.
Boston Metal Finishing Capabilities at a Glance
Core processes available to Boston customers include:
- Plating for electronic applications including gold, silver, tin, tin lead, copper and nickel
- Stainless steel treatments including passivation and pickle passivation
- Phosphate coatings and aluminum conversion coatings for wear, paint adhesion and corrosion resistance
- Special surface treatments such as cleaning, electropolishing, buffing and abrasive blasting
The sections below list the specific processes and specifications Keystone supports. Each heading links to a detailed process page for deeper technical information.
Plating for Electronic and Industrial Applications
Boston’s electronics, medical, power and aerospace manufacturers rely on consistent, spec compliant finishes. Keystone provides a full range of electroplating options designed for conductivity, solderability, corrosion resistance and wear performance.
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 for Boston Fabricators
From welded frames and enclosures to precision stainless components, Boston fabricators use Keystone to restore and maximize corrosion resistance after machining, welding and fabrication.
Passivation
- AMS-QQ-P-35
- AMS 2700
- ASTM A967
- ISO 16048
Pickle Passivation
- ASTM A380
Phosphate and Aluminum Conversion Coatings
Many Boston programs require coatings that improve wear, paint adhesion and corrosion resistance on steel and aluminum components. Keystone provides controlled phosphate and conversion coatings aligned to the specs your drawings call out.
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 for Boston Projects
When your Boston based engineering team specifies additional surface preparation, Keystone can integrate those operations into a controlled, documented process so you do not have to manage extra vendors.
- Cleaning for oxygen service
- General cleaning
- Pickling
- Electropolishing
- Buffing and polishing
- Abrasive blasting
Why Boston Engineers and Buyers Work With Keystone
- Processes aligned with AMS, ASTM and MIL specifications for critical applications
- Experience with electronics, medical devices, aerospace, defense and industrial equipment
- Certification packages and documentation at no additional charge
- Support for prototypes, validation builds and ongoing production volumes
Whether you are sourcing metal finishing for a Boston facility or a New England wide program, Keystone provides the process control, communication and documentation your customers expect from a finishing partner.
Request a Metal Finishing Quote for Your Boston, MA Project
Share your drawings, specifications and estimated volumes. A Keystone representative will review your requirements and recommend the best finishing process for your parts.
