第一步也是最快的一步是ASTM A262 Practice A，一种在草酸中的快速（即日）筛选方法，以确定对晶间腐蚀的敏感性。经过A262 A后的结构分类分析将确定该材料是否可以接受或是否需要进行其他晶间腐蚀测试。如果不确定，请与我们联系以获取帮助。根据您的材料，应用和要求，其他4种方法提供了特定的重点。在日常应用中...
Oxalic Acid Etch Test is used for acceptance of wrought or cast austenitic stainless steel material but not for rejection of e of A262Practice A as a stand-alone test may reject material that the applicable hot acid test would ?nd acceptable;such use is outside the scope of this test is...
Use of A262 Practice A as a stand-alone test may reject material that the applicable hot acid test would ?nd acceptable; such use is outside the scope of this practice. 4.2 This test is intended to be used in connection with other evaluation tests described in these practices to provide ...
astmpracticemanualoxalicferomagneticaccreditation AstmA262Practice.pdf DOWNLOADHERE 1/2 AARManualofStandardsandRecommendedPractices... http://aarcirculars.aar/attachments/msrp-c3appendixm.20120711.pdf AARManualofStandardsandRecommendedPractices...testedinaccordwithASTMA262PracticeA.IfthespecimendoesnotpassPractice...
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The ASTM A262 Practice A procedure is frequently used to assess whether Type 304/304L austenitic stainless steels are "sensitized". In this study, Type 304L steel containing 18 ppm boron examined in the as-received (mill solution-annealed) condition exhibited a "dual" structure after the ...
Asuperscript epsilon (´) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies ofthe Department ofDefense.1. Scope*1.1 These practices cover the following five tests:1.1.1 Practice A—Oxalic Acid Etch Test for Classificationof ...
a每个人都有他们自己不喜欢做的事情。 Each people all have the matter which they do not like doing. [translate] a18JUL 20OCT 20K OK 18JUL 20OCT好20K [translate] a(b) Test specimens shall be tested in accordance with ASTM A262, Practice A, Streicher (b)测试标本将被测试与ASTM A262符合...
1.1.1 Practice AOxalic Acid Etch Test for Classification of Etch Structures of Austenitic Stainless Steels (Sections 4 to 13, inclusive), 1.1.2 Practice BFerric Sulfate-Sulfuric Acid Test for De- tecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels (Sections 14 to 25, inc...
The ASTM A262 specification covers the standard practices for detecting susceptibility to intergranular attack in austenitic stainless steels. The etch structure types used to classify the specimens are: step structure, dual structure, ditch structure, i