A common manual fly sprayer type applicator shall be used. As the milstd171 standard pertains to aluminum parts and finishes provided by pcci. Gap limitations between joined sheets shall be in accordance with figures 1 and 6 and tables i, ii, iii and iv. As the mil std 171 standard pertains to aluminum parts and finishes provided by dchn mil std 171, 7. The chromic acid rinse of classes 1, 2, and 3 shall be performed in accordance with the following. Nadcap aerospace quality system ac7004 certificate pdf 86kb pdf. Mil std 171 link is to free spec at defense logistics agency, dla. Anodizing specifications for commercial anodizing type i. Mil std 171 is the military standard that established the minimum requirements for finishing, and otherwise treating, metal and wood surfaces, and to serve as a general guide to the selection of suitable finishing materials, procedures, and systems. This standard establishes and updates general finish codes and serves as a general guide to the. Chemical conversion coating alodine, iridite, chem film mildtl5541f mil std 171 ams 2473 ams 2474. Military specification of finishes for ground based electronic equipment. I do the purchasing and quoting for a small job shop and am trying to find out what 5.
Milstd171 new revision f released its the military. But, i guess the name of the game is to have a piece of paper that says it was done right, as opposed to actually doing it right. In this particular case, it is unnecessary to mention any preliminary steps such as cleaning, because astm b633, coatings of zinc of iron and steel zinc plating. Solution analysis shall at a minimum be performed once every week see 6. Our primary mnphos military customers most often require coatings adhering to heavy manganese phosphate coating specification mildtl16232 type m, class 1, 2 or 3. This specification is also referenced by milstd171 finish numbers 5.
Scratches, mars, or indentations, either due to damage or processing, that expose base metal. See mildtl16232g for the phosphate coating process requirements. Years wisconsin quick turnaround on customer orders. Type ii conventional anodizing quick reference guide. Black passivation black passivate is better known as black oxide class 2, black oxide class 3, or black oxide class 4 for corrosion resistant steel alloys. Milstd171 is the military standard that established the minimum requirements for finishing, and otherwise treating, metal and wood surfaces, and to serve as a general guide to the selection of suitable finishing materials, procedures, and systems. In this particular case, it is unnecessary to mention any preliminary steps such as cleaning, because astm b633, coatings of zinc of iron and steel zinc plating electrodeposited referenced. Mil std 171 finishing of metal and wood surfaces this standard establishes and updates general finish codes and serves as a general guide to the selection of suitable materials, procedures, and system for cleaning, plating, painting and otherwise finishing of metal and wood surfaces. Hardcoat anodizing type iii precision coating medical. Finish system code numbers in the tables shall not be changed in future revisions of this standard, in as much as those code numbers should be referenced on drawings, in contracts and in end items. For convenience in referencing, all procedures, whether they merely clean a surface, deposit a film, or perform some other desirable function, are cataloged as finishes.
Not measurement sensitive milstd171e 19 november 2001. Sulfuric anodize, nondyed clear sulfuric acid anodize mila8625 type ii, class 1 ams2471 astm b58079 type b thru f 7. Finish numbers should be preceded by the word finish to avoid possible confusion with paragraph numbers, for example, finish 5. May 14, 2015 consider milstd171 a shopping list of finishes.
The final rinse shall be hot 63 to 93 o c 150 to 200 o f chromic acid or chromic. Where a system in a previous edition of the standard has been deleted from this new revision, the system to be used as a substitute is noted in the tables. Using system software initially developed for the aerospace industry, swd inc. Mila8625f anodic coatings, for aluminum and aluminum. Cross reference specifications dchn fine metal finishing. Where a system in a previous edition of milstd171 has been deleted from the revision, the system to be used as a substitute is noted in the tables. Delete milc81706 chemical conversion materials for coating aluminum and aluminum alloys. This handbook establishes a uniform code and to serve as a general guide to the selection of suitable materials, procedures, and systems for cleaning, plating. In this particular case, it is unnecessary to mention any preliminary steps such as cleanim3, because qqz325, zirc plating electredeposited, referenced in finish 1.
This specification is also referenced by mil std 171 finish numbers 5. Finish system code numbers in the tables of milstd171 are intended to remain stable, since those code numbers are commonly referenced on drawings, in contracts and in end items. Finding that the milstd171 includes zinc phosphate is little information to. Two bubbles in a line totaling more than 2 3 distance from pin to case see figure 20098c. Mildtl5541f chemical conversion coatings on aluminum and. As the milstd171 standard pertains to aluminum parts and finishes provided by dchn milstd171, 7. Single bubble or void that is larger than 2 3 of the distance between the lead and the package wall at the site of inclusion see figures 20097b and 20098b.
Milstd171 appears to have no section 3, and finish 3. Milstd171 finishing of metal and wood surfaces document. If circumstances make it desirable that parts of an assembly be primed separately and be given final coats after assembly, the instructions might. Passivation of stainless steel is a process that removes free iron from the surface of a stainless component and at the same time. Mila8625f anodic coatings, for aluminum and aluminum alloys. Military standard preparation for and installation of riviets. Ihc maintains process capability and certification requirements to numerous industry and manufacturer specifications, some of which are listed below. Anodize sulfuric nondyed clear sulfuric acid anodize mila8625 type ii, class 1 ams2471 astm b580 type b thru f 7. Finish system code numbers in the tables of mil std 171 are intended to remain stable, since those code numbers are commonly referenced on drawings, in contracts and in end items specifications. Passivation of stainless steel astm a967, qqp35, ams 2700. Specs processed product finishing since 1953 specializing in cleaning, conversion coatings, electrocoating, powder coating, military specification coatings, compliant liquid coating, and silk screening. Coating weight tests will be performed per paragraph 4.
Military standard for finishing of metal and wood surfaces. Note that specifications may be obtained at the following web. Beneficial comments recommendations, additions, deletions and any pertinent data. This miaitary standard is approved for use by all departments and agencies of the department of defense. Unless otherwise specified, the responsibility for. Beneficial comments recommendations, additions, or deletions and any. This procedure covers the application of zincmanganese phosphate coatings on ferrous alloys, meeting the requirements of mildtl. Milstd171 finishing of metal and wood surfaces this standard establishes and updates general finish codes and serves as a general guide to the selection of suitable materials, procedures, and. Contact us to discuss your specification requirements. The final rinse shall be hot 63 to 93 o c 150 to 200 o f chromic acid or chromic phosphoric acid solution. If circumstances make it desirable that parts of an assembly be primed separately and be given final coats after assembly, the instructions might be. Discoloration that does not exhibit these conditions is acceptable.
Defective finish peeling, flaking, pitting, blistering, or corrosion. Turning to table ii, inorganic finishes, plating, we find the designation for this finish to be 1. Modern metal finishing adheres to strict quality standards. Quality standards met oxford, connecticut modern metal finishing. This military standard is approved for use by all departments and agencies of the department of defense. Mildtl5541f chemical conversion coatings on aluminum. Large bubbles or voids that exceed 1 3 of the glass sealing area see figure 20098a. Anodizing specifications for commercial anodizing type i, ii. Greg t last name deleted for privacy by editor job shop houston, texas. Anodic coatings for aluminum and aluminum alloys this amendment forms a part of mila8625f, dated 10 september 1993, and is approved for use by all departments and agencies of the department of defense. Strangely, the requirements that are not specific to any military application seem more comprehensive and specific than what i can find in milstd171 3.
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