Designation: A – 05e1 ASTM Standards: 2 1 This specification is under the jurisdiction of ASTM Committee A01 on Steel. The ASTM A passivation standard ensures high quality results for passivated stainless steel. Learn how Able Electropolishing meets these standards. ASTM A – Designation: A – 05 Standard Speci?cation for Chemical Passivation Treatment.
|Genre:||Health and Food|
|Published (Last):||2 June 2011|
|PDF File Size:||12.71 Mb|
|ePub File Size:||4.67 Mb|
|Price:||Free* [*Free Regsitration Required]|
The SI units given in parentheses are for information only. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the awtm of regulatory limitations prior to use. Statements regarding chemical treatments, unless otherwise speci? All samples must pass the speci?
Practice A—Water Immersion Test The processor is not required to reveal the precise composition of proprietary chemical mixtures but shall maintain a unique identi? The suitability of such passivation treatments for use in 3 meeting the requirements of this speci?
NOTE 1—The selection of medium and procedures for a neutralization depends of the chemistry of the passivation and on economic considerations. This cycle shall be repeated a minimum of twelve times.
ASTM A Passivation Standards | Passivated Stainless Steel Parts
The standards a9967-05 collectively make up the ASTM A passivation specification ensure that nitric and citric stainless steel passivation is performed properly and with quality results. Appendix X1 gives some nonmandatory information and provides some general guidelines regarding the selection of passivation treatment appropriate to particular grades of stainless steel.
It includes several alternative tests, with acceptance criteria, for con? Able Electropolishing provides metal passivation services that meet the ASTM A standards, as well as other finishing treatments that improve the corrosion resistance of stainless steel and various other alloys.
NOTE 2—Some of the asmt may produce positive indications astmm associated with the presence of free iron on the stainless steel surface. Electropolishing and Passivation Standards. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?
The ASTM A passivation standard applies to the cleaning, passivation and testing of stainless steel parts. Lot, Frequency of Testing, and Selection of Test ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Determination of the suitability of this speci?
After removal of the cloth pad, the surface a67-05 the part shall be allowed to dry in air before inspection. A97-05 all of the following tests are suitable for all grades of stainless steel. Practice B—High Humidity Test The parts shall then be thoroughly dried. These particles must be removed or they will appear as rust or stain spots.
Link to Active This link will always route to the current Active version of the standard. Immersion bath to be controlled at a pH of 1. An example would be application of Practice C on some lesser-alloyed martensitic or ferritic stainless steels.
ASTM A – 05 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. The SI units given in parentheses are for information only.
Gain access to the technologies and people in aerospace and defense manufacturing. The surface of stainless steel that has been pickled is free of scale, free iron, and exogenous foreign matter, and does not require a separate treatment for passivation as de?
ASTM A967 Passivation Standard
Practice D—Copper Sulfate Test The pad shall be maintained wet through the test period, either by a method of asstm external evaporation, by the further addition of potable water, or by backing the pad with a sponge or similar water source.
Cleaning by mechanical methods or other chemical methods is recommended. The number of samples tested from a lot subject to retest shall be twice the original speci? These tests include the following practices:. Originally approved in