Hard chrome is one of the most reliable and widely used metal plating processes in the industry. Welcome to, your premiere source for free downloads of government and military standards, specifications, handbooks, and documents. Other specifications not specifically listed by nadcap. We recently had a job hard anodized and certified to mila8625 link is to free spec at defense logistics agency, dla. Electroless nickel plating with higher phospohorous content will have somewhat higher contact impedance but will have improved corrosion reistance. Typically used to help resistance to abrasion and corrosion, industrial chrome also helps improve a parts wear. Ams 2404d does not specify the phosphorous content while the.
Chrome excellent hardness, rc6874 wear resistance and erosion resistance. Please explain the difference between two platings thin dense chrome and standard chrome plate. Hard chrome plating, also called engineering chrome, is an electrolytically applied metal. New sae ams 2406 revision m released, plating, chromium. These coatings and more are available from anoplate. Chrome plating less commonly chromium plating, often referred to simply as chrome, is a. Armoloy utilizes proprietary chemical solutions and application processes that are carefully monitored to produce its tdc, a silver satin matte chromium coating. Hard chromium has excellent lubricity and antigalling properties. Chrome plating is used to provide a very high degree of hardness on the surface of a metal to enhance wear resistance, reduce friction, provide antigalling properties, and, in some cases, improve corrosion resistance. Chrome plating is an electrolytic process that can be applied to regular steel, stainless steel, aluminum, and other materials. Ams 2460 and ams 2406 as revised are current hard chrome plating specifications. However both specs are for general chromium plating. Ams2406 plating, chromium, hard deposit document center.
Special note on hard chrome it is a common misconception that chrome plating provides corrosion protection. This material spec sheet contains generalizations and is in no way a substitution for the ams 4967 specification. Ams 2460 see special notes df a 301 sae plating, chromium if dwg requires chrome plate per amsqqc320 then stress relief and embritlmnt emb bake relief per bps4620. Precise deposits insure fidelity to part contours and details, without the edge build or dogboning associated with conventional chromeplating processes. This material spec sheet contains generalizations and is in no way a substitution for the ams 4967. Thin dense chrome plating should be specified by reference to ams 2438. Whyco finishing technologies is known internationally as a chromium plater of small parts. The electrolizing thin, dense, chromium process pdf. To find similar documents by federal supply class code. We have metal finishing operations covering ams, astm, mil, fed qq as well as several client specific specifications. By doing so, ptfe enhances the release, wear and corrosion properties of the chrome. Originally whyco plated decorative toggles, buttons and clips. If a preferred source is not listed, approval can be requested by contacting spacex supplier quality. Hard chrome plating is an electrolytic process utilizing a chromic acid based electrolyte.
Chromium plating, also known as hard or industrial chromium, is applied to ferrous and nonferrous metals steel and copper. Ams qqc320, ams 2406 31f hard chrome plating baep 1519 4m copper plate, electrodeposited milc14550, ams 2418 31g. Sometimes, a less expensive imitator of chrome may be used for aesthetic purposes. Precision hard chrome plating electropolishing flash chrome. Electroless nickel plating advantages of ifts electroless nickel plating awarded preferred supplier status with many industry leading companies ift recognized as. Hard chrome plating chrome plating industrial chrome. Dec 03, 2012 new sae ams 2406 revision m released, plating, chromium, hard deposit theres a new ams 2406m, plating, chromium, hard deposit, and its available now from document center inc. Precision hard chrome plating whyco chrome plating technology produces a smooth, adherent chrome layer, free of nodules, blisters and flaking, with excellent thickness control.
The al6xn alloy was designed to be a seawater resistant material and. Ams2406n changes the hydrogen embrittlement relief requirement to the standard wording of 40 hrc for use with ams27599, added hydrogen embrittlement relief requirement for hardnesses of 3639 hrc and changes adhestion testing from an acceptance test to a periodic test. Hard chrome tech sheet pdf hard chrome flyer pdf techmetals engineered hard chrome finishes. Qqc320 astm b456 ams 2406 milc20218 milc23422 properties of electroplated chromium. Aerodynamics is a state of the art, fullservice electroplating finishing company with nadcap approval and over 40,000 square feet of capacity. You can also use sae ams 2406 but its a bit overkill. Dixon hard chrome plating, since 1955 nadcap certified. This specification covers the requirements for electrodeposited hard chromium plate. The standard chrome plater i deal with says he can plate standard.
Comparatively, standard hard chrome has approximately 200 to 400 cracks per linear inch allowing corrosive material through to attack the base metal. Since it becomes a part of the metal itself and will not chip, peel, crack or flake armatech is a popular coating. For more information about our precision hard chrome plating capabilities, or any of the other services we provide please contact bbc. Hard chrome is porous at the microscopic level, which can let moisture and chemicals through to attack the base material. The chromed layer can be decorative, provide corrosion resistance, ease cleaning procedures, or increase surface hardness. Hard chrome plating also known as industrial chrome is applied to ferrous and nonferrous materials to improve wear and abrasion resistance, reduce friction, prevent seizing and galling, and to restore the dimensions of undersized parts. Unfortunately none of the ams specs 2406, 2460, qqc320 specify a raw material for the chrome. Hard chrome plating industrial chrome industrial coatings. Thickness analysis on a fischer technology xdlb xray fluorescent spec. Techmetals offers hard chrome plating to help resist abrasion and corrosion. Chrome plating less commonly chromium plating, often referred to simply as chrome, is a technique of electroplating a thin layer of chromium onto a metal object.
Industrial hard chrome plating chem processing, inc. We thank you for your interest in our company and look forward to working with you on any project you may have. Hard chrome palmetto plating metal finishing services. Aeropaks offer a customized subscription plan that lets you pay for just the documents that you need, when you need them. Monitoring and adhering to all advice provided by the uk government, public heath england, the nhs and other advisory bodies to ensure that we play our role in supressing the spread of the virus. After the fact, we realized the callout was for ams2469 link by ed. This specification has been used to supersede ams c26074 which employs grade designations to convey thickness requirements. Cybershield applies midphos electroless nickel with 58% phosphorous content. For my applications i usually use 5 to 8 microns, 2 to 3 times what you measured. Titanium specification ams 4967 performance titanium group. Fsc standardization area mffp metal finishes and finishing processes and procedures. We have over 10,000 square feet in the building complex and an additional 23,000 square feet of storage space. Whyco chrome plating technology produces a smooth, adherent chrome layer, free of nodules, blisters and flaking, with excellent thickness control. To clarify, tm121 crackfree, hard chrome is a barrier coating depositing somewhat in a softer and more ductile manner than standard industrial chrome.
Plating specifications anoplate has served industrial and commercial clients throughout the world since 1960 providing technical expertise for surface engineering applications. Process spec supplier code vendor name street address city state country status limitations. Hard chrome plating chromium metal stainless steel. Beechcraft corporation special processes index special processes that require approval to perform updated. Amsqqc320, ams 2406 31f hard chrome plating baep 1519 4m copper plate, electrodeposited milc14550, ams 2418 31g bronzecopper plating of steel. Due to current capacity constraints, printed versions of our publications including standards. Asl approved supplier list page 7 of 16 special process supplier list supplier process applicable specs continental heat treating, inc. Purchase more aerospace standards and aerospace material specifications and save.
New sae ams 2406 revision m released, plating, chromium, hard deposit theres a new ams 2406m, plating, chromium, hard deposit, and its available now from document center inc. Hard chrome plating ams 2406 aerody aero dynamics metal finishing 142 batchelder road. This is not the case, only slight protection is given. Electroless nickel plating with low phosporous content exhibit low contact impedance. Some common industry specifications governing the chrome plating process are ams 2460, ams 2406, and milstd1501. Manual cleaning to remove all residual traces of dirt and surface. Hard chromium or industrial chromium plating refers to relatively thick chromium deposits applied to a base material because of the hardness, wear resistance, andor corrosion resistance of the chromium. Due to current capacity constraints, printed versions of our publications including standards, technical papers, edge reports, scholarly journal articles, books, and paint chips may experience shipping delays of up to two weeks. Chromium deposits improve abrasion and wear resistance, provide corrosion protection, reduce friction and prevent galling and seizing to improve the overall performance of manufactured components.
Electroless nickel finishing specification and design. 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. Prioritising the health and wellbeing of all of our staff. Spec ifica ti on ams 2403l ams 2423d ams 2424e t hi ck ne ss c om m e nts g en er al hard nickel deposit sulfamate nickel corrosion resistance plating.
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