Milc26074 was recently retired and replaced with ams 2404. Previous users for naval nuclear propulsion program. Electroless nickel plating astm b733 ams 2404 metal. Coatings, electroless nickel requirements for amsc26074 this specification covers the requirements for electroless autocatalytic chemical reduction deposition of nickelphosphorous alloy coatings on metal and composite surfaces. Astm b733 15 standard specification for autocatalytic. Astm b73304 we offer type i and type iv get a quote. Sae ams c 26074 june 1, 20 electroless nickel coatings the coating is intended for use when hard and smooth surfaces are required on coated parts. Electroless nickel plating nadcap certified specializing in. Electroless nickel plating advanced surface technologies.
In 1994 as part of mil spec reform, the document was cancelled by cancellation notice 1 and was replaced by ams 2404 and ams 2405. So, is en per milc26074 linked by editor to free spec at defense logistics agency, dla. Finish specification black oxide milc924 ams 2400 cadmium qqp416 sks00170 diffused nickel cadmium ams2416 dry film milprf46010 milc26074 electroless nickel ams 2404 astm b733 gold milg45204 nickel qqn290 astma967 passivation astma380 saeams2700 qqp35 f65a1 phosphate f65a4 mildtl16232, m, z. Hard chrome alternatives and electroless plating for engineered coatings from u. Electroless nickel plating services lorton, virginia. Electroless nickel en plating, is an auto catalytic or chemical plating process, has been used. Electroless nickel plating of parts from ounces to 300 lbs. Electroless nickel is generally applied to a thickness range of 25 to 150 microns 0. Replacement spec for obsoleted milc26074 electroless nickel. The last issue of mil c 26074 was revision e, from 101990. Electroless nickel coatings are suitable for temperatures up to 1,000f. As with milspec and astm specifications, ams specifications benefit manufacturers and endusers by guaranteeing the compatibility of materials and ensuring that manufacturing processes meet or exceed required. Electroless nickel plating per milc26074, astm b733, ams 2404.
Electroless nickel plating en, also known as autocatalytic nickel, is a micro crystalline to amorphous, hardenable nickelphosphorous alloy coating. Milc26074e, dated 30 october 1990, is hereby reinstated by the naval sea. Advanced plating technologies provides barrel and rack electroless nickel plating services in medium and high phosphorous to mil c 26074, astm b733 and ams 2404 on most metallic substrates. The chemical and physical properties of the deposit vary primarily with its phosphorus content and subsequent heat treatment.
Chrome including milc26074, astm b733, ams 2404, nicom and tricom coatings. If you decide to use the milc26074 or ams2404 specification, consider specifying phosphorus content in the print notes. We apply high precision electroless nickel plating, composite nickel coatings and boron nitride, for industrial applications requiring corrosion protection, high hardness, wear resistance, uniform thickness, and increased dry lubricity on parts from ounces to 300lbs. Ast electroless nickel coatings conform to ams 2404, astm b733 and milc26074 standards milc26074, astm b733, ams 2404 ast provides custom coating solutions per military spec milc26074, and ams 2404 the most widely recognized and longstanding specifications pertaining to electroless nickel plating. Milc26074 e electroless nickel plating ens technology. Mil milc26074e coatings, electroless nickel requirements for superseding milc26074d ss by mildtl26074f standard by military specifications and standards, 10301990 amendments available. Finish specification millcreek metal finishing, inc. Black oxide or blackening is a conversion coating for ferrous alloys. Because the deposited nickel alloy is a catalyst for the reaction, the process is selfsustaining. Contact ens regarding electroless nickel plating today. Ams 2404 supersedes ams milc 26074 which employs grade designations to convey thickness requirements. Coatings, colorants, and finishes aluminum alloys heat treatment beryllium alloys alloys titanium alloys corrosion manufacturing processes defense. Amsc26074 and milc26074 an explanation of the revision. There are two primary methods for applying nickel plate.
Uniform electroless nickel milc26074 characteristics. Electroless nickel plating electroplating ams 2404. We have metal finishing operations covering ams, astm, mil, fed qq as. Sae amsc26074 electroless nickel coatings engineering360. Still sae felt that the 26074 specification duplicated preexisting. In the end, the ams c 26074 was withdrawn in favor of ams 2404 and ams 2433 after modifications were made to each to accommodate the governments requirements. When amsc26074 titled coatings, electroless nickel, requirements. Ast provides custom coating solutions per military spec milc26074, and ams 2404 the most widely recognized and longstanding specifications pertaining to electroless nickel plating. If this is so, can someone tell me what the replacement documentation is. High phosphorous electroless nickel plating 10% p, type v. Posted in electroless nickel plating tagged aerospace material specification ams 2404b, defence standard 035, electroless nickel plating, international standard iso 4527, quality policy, us military specification milc26074b. Chrome for electroless nickel plating as a good barrier coating corrosion resistance.
Techmetals offers electroless nickel plating is to the specs of ams 2404, ams 2405, astm b 733, mil c 26074, mil dtl32119 and ams c 26074. The last issue of milc 26074 was revision e, from 101990. Electroless nickel continues to gain favor in a variety of industries due its combination of desirable material properties and ability to provide complex parts with a very uniform plating thickness. Ams 2404d does not specify the phosphorous content while the. Electroless nickel plating electroplating ams 2404 astm. Electroless nickel plating nadcap certified specializing.
Electroless nickel plating astm b733 ams 2404 nickel plating produces hard and durable surfaces and is often used in applications that require both wear resistance and corrosion protection. Our capabilities for nadcap certified metal finishing and plating. The logic behind this is that the government is putting the task of specification writing in the hands of people who have a greater command of their disciplines than the federal government. Electroless nickel milc26074 electroless nickel en plating, is an autocatalytic or chemical plating process, has been used across a myriad of industries since the 1950s for its exceptional wear and corrosion capabilities. Milc26074 coatings, electroless nickel, requirements. Advanced plating technologies provides barrel and rack electroless nickel plating services in medium and high phosphorous to milc26074, astm b733 and ams 2404 on most metallic substrates.
Electroless nickel plating is the deposition of a nickel alloy onto a metal substrate without the use of an electrical current. Nickel plating magnets, milc26074 class 1 grade a, qqn290. Electroless nickel plating milc26047, astm b733, ams 2404. Oct, 2014 this mil c 26074e specification covers the requirements for electroless deposition of nickelphosphorous alloy coatings on metal and composite surfaces. National electroless nickel process meets the requirements of astm b733 class v, milc26074 all revisions, ams2404, and iso 4527. Our capabilities for nadcap certified metal finishing and. Typical substrates plated include carbon steel, stainless steel, copper alloys and aluminum alloys. Mil c 26074 linked by editor to free spec at defense logistics agency, dla. Electroless nickel refers to the autocatalytic or chemical reduction of the aqueous nickel and phosphorous ions onto a base substrate. Amsc26074 electroless nickel coatings stabilized oct 20 use ams2404 and ams2433 for new design amsc26074 revision d current see the following. Military specification this specification ie approved for.
This specification covers the requirements for electroless autocatalytic chemical reduction deposition of nickelphosphorous alloy coatings on metal and composite surfaces. This mil spec was briefly renumbered mil dtl 26074 before it was cancelled and replaced. Thickness measurements of electroless nickel coatings containing more than 8 percent phosphorous are sufficiently nonmagnetic to be measured for thickness in accordance with astm b499, method of measurement of coating thickness by the magnetic method. Typical substrates plated include carbon steel, stainless steel, copper. We specialize in the aerospace, military, and defense industries but also serves a large customer base in the commercial, industrial, and medical fields as well. The process differs from electrolytic pl ating in that no electrical current. Specification for autocatalytic nickelphosphorous coatings on metals and sae ams 2404c, electroless. So, is en per mil c 26074 linked by editor to free spec at defense logistics agency, dla. The electroless nickel plating process utilizes an autocatalytic chemical reaction to deposit a reliable, repeatable coating of uniform thickness. Recently, military specification mil c 26074 was waived in favor of the ams 2404.
No specific hardness numbers defined by these two specs on the en deposit. Astm b 733 milspec electroless nickel plating ams c 26074. The textile industry may be less demanding about the coating on a spool for a paper manufacturing application than the aircraft industry may be on a flightcritical landing strut. This milc26074e specification covers the requirements for electroless deposition of nickelphosphorous alloy coatings on metal and composite surfaces. Electroless nickel plating per milc26074, astm b733 and ams 2404. Being an autocatalytic process, en does not rely on the. Electroless nickel plating is used to provide uniform coatings for complex shapes, to improve wear, corrosion resistance and to improve solderability for selected materials. The sae society of automotive engineers maintains all ams specs aerospace materials specifications. Milc26074 linked by editor to free spec at defense logistics agency, dla.
In the end, the amsc26074 was withdrawn in favor of ams2404 and ams2433 after modifications were made to each to accommodate the governments requirements. Hard chrome, flash chrome, hexavalent chrome, ams 2406, ams 2460, fed qq c 320 electroless nickel medium phosphorous, rohs compliant, ams 2404, ams c 26074, astm b733, mil c 26074. This deposit has been used typically to provide a uniform buildup on intricate shapes, to improve wear andor corrosion resistance, or to improve solderability on or for selected materials, but usage i. So, is en per milc 26074 linked by editor to free spec at defense logistics agency, dla. Blackening is a high temperature alkaline oxidizing process that converts the surface of the substrate to a passive, porous oxide layer. Nickel plating magnets, milc26074 class 1 grade a, qqn. Electroless nickel plating milc26047, astm b733, ams. It offers a good barrier coating corrosion resistance. Material specifications infoaltamonte springs seminole. Electroless nickelthalliumboron or nickelboron plating. Capabilities include nadcap certified metal finishing, anodize, black oxide chemfilm, chrome, electroless nickel, passivation, and zinc nickel. Nickel technical data pdf to the right for a comprehensive listing of physical.
Should you need copies of any of the standards mentioned, or have any. Process k3 this process is similar to electroless nickel plating with milc26074 class 1 grade a, except magnets are pretreated to improve adhesion. The last issue of milc26074 was revision e, from 101990. This deposit has been used typically to provide a uniform buildup on intricate shapes, to improve wear andor corrosion resistance, or to improve solderability on or. National electroless nickel process meets the requirements of astm b733 class v, mil c 26074 all revisions, ams 2404, and iso 4527. The coatings conform to the requirements of elv directive 200053ec, weee 200296ec and rohs 200295ec. Uniform electroless nickel milc26074 characteristics accurate. Ams 2410 electrodeposited silver, nickel strike, high bake ams 2411 for hightemperature applications ams 2412 copper strike, low bake. The two replacement documents were ams c 26074 and the classified secret mil dtl32119. Process k4 this process is the same as k3, except within a 4 hour period of plating, parts are baked for 3 hours to provide a hydrogen embrittlement relief bake. Aerodynamics is a state of the art, fullservice electroplating finishing company with nadcap approval and over 40,000 square feet of capacity.
The two replacement documents were amsc26074 and the classified secret mildtl32119. Ams 2404 supersedes amsmilc26074 which employs grade designations to convey thickness requirements. Within the astm b733 electroless nickel plating specification, there is an. Military specification this specification ie approved for we. Except for hydrogen embrittlement relief, no post plating thermal treatment.
The new reference to the ams specification is not necessarily a step in the right direction. Plating specifications anoplate has served industrial and commercial clients throughout the world since 1960 providing technical expertise for surface engineering applications. Electroless nickel refers to the autocatalytic or chemical reduction of the. Chrome including mil c 26074, astm b733, ams 2404, nicom and tricom coatings. Nonmagnetic coatings on magnetic basis metals, if deposited on a magnetic basis metal. Amsc26074 and milc26074 document centers standards forum. Military specification this specification ie approved for we by all departfmnta and agencie8 of the oapartmmt of defense. Chrome alternatives hard chrome plating, chrome plating. Electroless nickel plating per milc26074, astm b733, ams.
However, the two documents did not adequately replace the mil spec and a second cancellation notice was issued in 81995. Ams c26074d rescinds the previous cancellation and supersession, and at the same time stabilizes the document for legacy use requested by the electronic parts industry. In 1994 as part of mil spec reform, the document was cancelled by cancellation notice 1 and was replaced by ams2404 and ams2405. Techmetals offers electroless nickel plating is to the specs of ams 2404, ams 2405, astm b 733, milc26074, mildtl32119 and ams c 26074. Electroless nickel plating is the deposition of a nickelphophorous alloy onto a substrate base material without the use of an electrical current. This specification covers the requirements for electroless nickel deposited on various materials. Amsc26074 electroless nickel coatings stabilized oct. Ive turned your inquiry over to my sales engineer who will send you want youre looking for we use an internal cheat sheet but we know the limitations.
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