Silver plate. Bright and matte finish available.
Gold plate. Both hard and soft finishes available.
Lustrous zinc coatings can be produced over ferrous and non-ferrous metals for increased eye appeal.
Primarily used as an undercoat and also for selective carborizing.
Ideal as an ornamental finish for sales appeal where cost is a predominating factor.
Assures absolute uniformity of plate inside and out regardless of irregularities of shape. RoHS compliant available.
Ideal for aircraft and nuclear applications but has many industrial applications.
Used on items that come in contact with foods or in electrical field.
Bright and matte finish available.
Applied to parts that have to be soldered after assembly.
This coating provides a better bond and more durable protection for paint than more expensive oxide forming processes on aluminum and its alloys. RoHS compliant available.
This is an Aerospace requirement from the OEMs like GEAE for P4TF3. Alpha-Case removal.
A finish for zinc, aluminum, copper, brass and bronze, which protects against corrosion.
Colors include clear, blue, yellow, olive drab, or black. RoHS compliant available.
This is a process that removes oxides from the surface of various metals, such as steel or stainless steel.
This is a process that removes the free iron from the surface of stainless steel.
This is a jet-black decorative finish for iron and steel. Has some corrosion inhibiting properties in it but is usually supplemented by a rust preventive oil. No dimensional change.
Provides oxide coatings for aluminum and its alloys.
Color finishes available: clear, black, red, blue, green, purple, gold, gray, and orange.
Dichromate and Teflon seals available.
F.M. Callahan & Son, Inc. is a NADCAP and ISO 9001 certified electroplater, serving you since 1910. We are a full service company with a 40,000 square foot state-of-the-art facility. We plate precious metals of silver and gold, electroless nickel, sulfamate nickel, zinc, copper, tin, and tin-leads. Our surface treatments include black oxide, pickling, passivating, conversion coating, and chromating.
Copper Plating - AMS 2418; MIL-C-14550;
Silver Plating - AMS 2410; AMS 2411; AMS 2412; ASTM B700; QQ-S-365;
Sulfamate Nickel Plating - AMS 2403; AMS-QQ-N-290;
Electroless-Nickel Plating - AMS 2404; AMS 2405; AMS(MIL)-C-26074; ASTM B733;
Aluminum Anodic Coating - AMS 2471; AMS 2472; MIL-A-8625, Type II and Type III;
Aluminum Conversion - AMS 2473; MIL-DTL(C)-5541;
Acid/Alkali Cleaning - P4TF2; P4TF3;
Titanium Cleaning - P4TF3; S-421;
Black Oxide - AMS 2485; MIL-DTL-13924;
Gold - AMS 2422; MIL-DTL-45204;
Tin - AMS 2408; ASTM B545; MIL-T-10727
Zinc - AMS 2402; ASTM B633;
90/10 Tin Lead - MIL-P-81728;
60/40 Tin Lead - MIL-P-81728;
Passivation - AMS-QQ-P-35; ASTM A380; ASTM A967; AMS 2700;
Chem Film - AMS 2473, AMS 2477, MIL-DTL(C)-5541
Oxford Instruments X-Ray
Fischer Scope X-Ray
Eddy Current Testing
Atomic Absorption Spectrophotometer Testing