2.1 ASTM Standards:2 A380/A380M Practice for Cleaning, Descaling, and Passi-vation of Stainless Steel Parts, Equipment, and Systems A967/A967M Specification for Chemical Passivation Treat-ments for Stainless Steel Parts B117 Practice for Operating Salt Spray (Fog) Apparatus B322 Guide for Cleaning Metals Prior to Electroplating

1.1.1.1 Passivation is the process by which a stainless steel will spontaneously form a chemically resistant surface when exposed to air or other oxygen-containing environments. It was at one time considered that an oxidizing treatment was necessary to establish this passive metal oxide film, but it is now accepted that this film …

ASTM A967, 2005 Edition, September 1, 2005 - Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts. This specification covers …

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 treatments …

Company: ASTM. Application: Chemical Passivation Treatments for Stainless Steel Parts via Nitric or Citric acid. Appearance: Varies. Plate Thickness: Nitric 1 – 20-25% nitric acid, 2.5% weight of sodium …

1. Passivation Process: ASTM A967 defines the passivation process as the removal of free iron or other foreign matter from the surface of stainless steel by means of a chemical treatment. This treatment encourages the formation of a passive oxide layer, strengthening the steel's resistance to corrosion. 2.

ASTM A967 and ASTM A380 – two of the most widely recognized industry standards for passivation – list a number of methods that can be used to passivate a part; however, they do not claim to be all …

QQ-P-35 has been cancelled and superseded by ASTM A967 or AMS-QQ-P-35. AMS-QQ-P-35 has been cancelled and superseded by AMS 2700. AMS-QQ-P-35 Type Superseding AMS 2700 Type II 2 VI 6 VII 7 VIII 8 Not Specified Use type appropriate for alloy, subject to purchaser acceptance. This document is written in accordance with the requirements of …

the ASTM website. 3 Available from Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. 4 In accordance with QQ-P-35C Notice 3, …

ASTM A967-01 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts . 1. Scope(범위) * Stainless Steel 의 descaling, cleaning, passivation 에 대한 권고 및 예방책을 제시한다.

ASTM A967/A967M-13 February 15, 2013 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts 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...

Refers to QQ-P-35 for passivation of stainless steel, which has since been replaced with ASTM A967 and AMS 2700. Refers to MIL-STD-753 for testing of passivation, which has since been replaced with AMS-STD-753; MIL-DTL-14072: ASTM A380: Finishes for Ground Based Electronic Equipment: Table IV, Finish number E300; MIL-DTL-5002: ASTM A967 …

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 …

A. As Ken says, ASTM A380 [affil link] should not be used as a passivation specification, and QQ-P-35 has been canceled. The 3 consensus specifications used at this time, and that should be used for all specifications of passivation are: ASTM F86 [affil link] for Orthopedic implants, AMS2700 [affil link] for Aerospace, ASTM A967 [affil link ...

The subsection of passivation directs the reader to both the spec's appendix and ASTM A967 for effective passivation chemistries. The appendix of ASTM A380 contains a table detailing pickling processes (Table A1.1) and passivation processes (Table A2.1), featuring time and temperature ranges plus chemical blends necessary to pickle or ...

ASTM A967, 2005 Edition, September 1, 2005 - Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts 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 …

The ASTM A967/A967-13 replaces ASTM A967/A967M-05 which is now obsolete. Keywords. cleaning of stainless steel; passivation; passivation tests; tests for cleanliness of stainless steels;; ICS Number Code 77.140.20 (Steels of high quality) To find similar documents by ASTM Volume: 01.03 (Steel--Plate, Sheet, Strip, Wire; Stainless Steel Bar)

ASTM-A967, "Standardization Specification for Chemical Passivation Treatments for Stainless Steel Parts", was adopted on 31-MAR-97 for use by the Department of Defense (DoD). Proposed changes by DoD activities must be submitted to the DoD Adopting Activity: Defense Supply Center Richmond, Attn: DSCR-VFT/VEA, Richmond, VA 23297-5610. ...

ASTM A967/A967M-17 (CITRIC ACID) 7.1.1.1 Citric 1—The solution shall contain 4 to 10 weight percent of citric acid. The parts shall be immersed for a minimum of 4 min at a temperature in the range from 60 to 70°C [140 to 160°F] 7.1.1.2 Citric 2—The solution shall contain 4 to 10 weight percent of citric acid.

ASTM A 967/A967M : 2017. Current. Add to Watchlist. Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts. Available format (s): Hardcopy, PDF. Language (s): English. Published date: 07-01-2017. Publisher: American Society for Testing and Materials.

ASTM B600 [affil link] is the proper standard for cleaning and descaling titanium alloys. Toby Padfield Automotive module supplier - Michigan 2005. A. ASTM A967 [affil link] is often specified for passivation of titanium, although it is a misnomer for sure. What you are removing by "passivation" of titanium is any iron or iron oxide that may ...

ASTM A 967, Chemical Passivation Treatments for Stainless Steel Parts; ASTM A 380, Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, …

The following spec refers to ASTM A380 for passivation of stainless steel and thus allows the use of ASTM A967: MIL-DTL-14072D/E/F (Table IV. Finish E300) The spec MIL-T-704K in section 3.2.6 directly describes a passivation process analogous to QQ-P-35's type II followed by a chromate post-treatment. However, QQ-P-35 assigns this process as ...

Delstar is the industry leader in stainless steel passivation services, delivering the highest quality of passivated products to our customers since 2002. Here at Delstar Metal Finishing, we offer stainless steel passivation services with a focus on ASTM A967, ASTM A380, ASTM B912, and QQP35C specifications. Call or contact us today to speak to ...

Stainless Steel Parts, Equipment and Systems. ASTM A967 Standard provides tests with acceptance criteria to demonstrate that the passivation procedures have been successful. As per ASTM International Standards; "passivation testing is the process by which stainless steel will spontaneously form a chemically inactive surface when exposed to ...

For example, ASTM A967 contains more options for passivation verification tests while AMS2700 provides more guidance on sampling large batches of components for testing and inspection after passivation. As the most direct linear descendant of QQ-P-35, AMS 2700 naturally shows its "heritage". QQ-P-35 types II, VI, VII and VIII are equivalent ...

astm-a967, adoption notice: standardization specification for chemical passivation treatments for stainless steel parts (31-mar-1997) [superseding qq-p-35] astm-b26/b26m. astm-b26/b26m, adoption notice: aluminum alloy sand castings (15-may-1992) [superseding qq-a-601f] astm-d1000. 1994

Citric Acid Concentration: 4% ONLY in this phase. Immersion Times: 60, 90, and 120 minutes. Bath Temperatures: 38°C (100°F), 60°C (140°F), and 82°C (180°F) Salt Spray Testing per ASTM B 117. Corrosion Resistance Evaluation every 168 hours up to 504 hours of salt spray testing. Parameters resulting in the best corrosion resistance shall be ...

Title: Chemical Passivation Treatments for Stainless Steel Parts (Replaced by ASTM-A967/A967M) Scope: This specification covers several different types of …

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 …

ASTM A967 defines seven tests for verification that a suitable passive surface has been formed on the component surface. These tests are all qualitative. Although some tests can more precisely detect the amount of free iron remaining on a surface, they are meant to serve as a go, no-go test for passivation. Water immersion test.

What is ASTM A967 Passivation? The ASTM A967 passivation standard applies to the cleaning, passivation and testing of stainless steel parts. Chemical passivation removes …