ASTM A967-01e1
Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts
ASTM International / 10-Oct-2001 / 6 pages
REPLACED by ASTM A967-05 lineh
confidently1.1 This specification covers veral 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 veral alternative tests, with acceptance criteria, for confirmation of effectiveness of such treatments for stainless steel parts.
1.2 Practices for the mechanical and chemical treatments of stainless steel surfaces are discusd more thoroughly in Practice A 380.
1.3 Several alternative chemical treatments are defined for passivation of stainless steel pa
rts. gives some nonmandatory information and provides some general guidelines regarding the lection of passivation treatment appropriate to particular grades of stainless steel but makes no recommendations regarding the suitability of any grade, treatment, and acceptance criteria for any particular application or class of applications.
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. The tests include the following practices:
1.4.1 Practice A - Water Immersion Test,
1.4.2 Practice B - High Humidity Test,
rialization1.4.3 Practice C - Salt Spray Test,
1.4.4 Practice D - Copper Sulfate Test,
1.4.5 Practice E - Potassium Ferricyanide-Nitric Acid Test, and
英语六级历年真题
gpc
idead1.4.6 Practice F - Free Iron Test.
1.5 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parenthes are for information only.
1.6 The following precautionary caveat pertains only to the test method portions, Sections 14 through 18 of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its u. It is the responsibility of the ur of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to u. cowgate
Keywords: chemical passivation; stainless steel; passivation treatments; water immersion, steel; high humidity, steel; 77.140.20
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ASTM A967-01 - Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts
