ASTM A967-05 PDF

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.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not asstm as part of the standard.

Active view current version of standard.

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. The cloth shall be in contact with the steel for an area of at least 20 square inches cm2.

A — 05 Standard Speci? The effectiveness of any passivation treatment is demonstrated by the parts meeting the speci?

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. QQ-PC, but also includes a number of alternative asttm treatments.

Rejection and Retest Not all of the following tests are suitable for all grades of stainless steel. This condition may be prevented by chemically treating the parts to remove the iron particles or other a967-055 particles, and then allowing the passive? Such records shall be available for inspection when speci?

By meeting standards set by the ASTM and other organizations, we can ensure consistently-high quality for a broad range of metal parts across many industries. The ASTM A passivation standard applies to the cleaning, passivation and testing of stainless steel parts. Practice A—Water Immersion Test The surface of stainless steel resulting from these treatments is free of scale, free iron, and exogenous foreign matter, and does not require a separate treatment for passivation as de?

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An example would be application of Practice C on some lesser-alloyed martensitic or ferritic stainless steels.

The ASTM provides instructions and acceptance criteria for these and other tests that can verify the quality of a stainless aa967-05 passivation operation. Appendix X1 gives some nonmandatory information and provides some general guidelines regarding the selection of passivation treatment appropriate to particular grades of a67-05 steel. Attention shall be given to maintaining adequate volume, concentration, purity, and temperature control appropriate to the size and amount of stainless steel to be treated.

May 15 — 16, Boston, MA.

Minor changes have been made in the text to facilitate references to the main document and to correct technical inaccuracies. Astk standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

ASTM A967 Passivation Standard

The parts shall then be thoroughly dried. These tests include the following practices: The presence of exogenous surface contamination, including dirt, grease, free iron from contact with steel tooling, and so forth, may interfere with the formation of the passive? A rejected lot may, at the option of the processor, be re-passivated, with or without re-pretreatment, and then be retested. Aztm and Preparation for Passivation Treatments 5.

Immersion bath to be controlled at a pH of 1. Asgm makes no recommendations regarding the suitability of any grade, treatment, or acceptance criteria for any particular application or class of applications. These particles sstm be removed or they will appear as rust or stain spots.

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ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Cleaning by mechanical methods or other chemical methods is recommended. Practice D—Copper Sulfate Test Stainless Steel Passivation and More 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.

Last previous edition approved in as A — 01e1. Statements regarding chemical treatments, unless otherwise speci? After removal of the cloth pad, the surface of the part shall be allowed to dry in air before inspection.

It includes recommendations and precautions for descaling, cleaning, s967-05 passivation of stainless steel parts. This standard does not purport to address all atsm the safety concerns, if any, associated with its use.

ASTM A Passivation Standards | Passivated Stainless Steel Parts

Treatments in Citric Acid 7. These tests include the following practices: Stainless steel passivation performed to the ASTM A standards meets these standards by passing tests that confirm its effectiveness, particularly as it pertains to removing free iron from the cold-worked surfaces. These ASTM-approved tests may include:. Precision and Bias The processor is not required to reveal the precise composition of proprietary chemical mixtures but shall maintain a unique identi?