Scope. 1.1 This specification covers several different types of chemical passivation treatments for stainless steel parts. It includes recommendations and precautions for descaling, cleaning, and passivation of stainless steel parts. It includes several alternative tests, with acceptance criteria, for confirmation of effectiveness of such

A 967 2 3. Terminology 3.1 Definition of Term Specific to This Standard—It is necessary to define which of the several commonly used definitions of the term passivation will be used in this specification.(See Discussion.) 3.1.1 Discussion—Stainless steels are autopassivating in the sense that the protective passive film is formed spontaneously

Stainless steel: ASTM A380 / ASTM A967 / BS EN 2516 – General about Passivation! Date: January 1, 2020 Author: Thanh Nguyen Le 0 Comments The process of passivation, is a post-fabrication acid treatment that removes "free iron" contamination left behind on the surface of the stainless steel from machining and fabricating.

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Documents. ASTM a 967 Passivation. of 7. Designation: A967/A967M - 13 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts 1 This standard is issued under the fixed designation A967/A967M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, …

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ASTM A967 – Specification for Chemical Passivation Treatments for Stainless Steel Parts, (based on US Defense Department standard QQ-P-35C) In 1997 an alternative British Standard was published: BS EN 2516 – Passivation of Corrosion Resisting Steels and Decontamination of Nickel Base Alloys

ASTM A967.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Designation: A 967 05e1 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts1 This standard is issued under the fixed designation A 967; the number immediately following the designation indicates the year of original adoption or, in the …

ASTM A967-01- Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts Keywords:chemical passivation; stainless steel; passivation treatments; water …

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Nitric1—The solution shall contain20to25volume percent of nitric acid and2.5+0.5weight percent of sodium dichromate.The parts shall be immersed for a minimum of20 min at a temperature in the range from120to130F (49to 54 C.°° Nitric2—The solution shall contain20to45volume percent of nitric acid.The parts shall be immersed for a …

Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts1 This standard is issued under the fixed designation A967/A967M; the number immediately …

ASTM A967 passivation treatments: This standard covers both nitric and citric acid treatments. The nitric acid treatments are similar to those identified in ASTM A380. In addition, this standard also includes citric acid …

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ASTM A967/A967M-17, 1.1 This specification covers several different types of chemical passivation treatments for stainless steel parts. It includes recommendations and …

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ASTM A967/A967M, 2017 Edition, July 1, 2017 - Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts This specification covers several different types of chemical passivation treatments for stainless steel parts.

ASTM A967-2001 . This standard is issued under the fixed designation A 967; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript

ステンレスのPassivationにする（JISやISOなど）はありますか？ASTM A967にするのがあればえていただきたいです。どうぞよろしくお …

Abstract. This specification covers several different types of chemical passivation treatments for stainless steel parts. The treatments are the following: …

,ASTM A967,AMS 2700。,ASTM A967,；AMS 2700,AMS 2700,A967。

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Chemical Passivation Treatments for Stainless Steel Parts1. This standard is issued under the fixed designation A967/A967M; the number immediately following the designation indicates the year. of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.

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Passivation of Stainless Steel to ASTM A967. Five nitric and citric methods are listed as follows: Nitric 1: 20-25 v% Nitric Acid, 2.5 w% Sodium Dichromate, 120-130F, 20 Mins minimum. Nitric 2: 20-45 v% Nitric Acid, 70-90F, 30 Mins minimum. Nitric 3: 20-25 v% Nitric Acid, 120-140F, 20 Mins minimum. Nitric 4: 45-55 v% Nitric Acid, 120-130F, 30

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ASTM A967-01e1. Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts. ASTM International / 10-Oct-2001 / 6 pages. REPLACED byASTM A967-05. 1.4 The tests in this specification are intended to confirm the effectiveness of passivation, particularly with regard to the removal of free iron and other exogenous matter.