標(biāo)準(zhǔn)號(hào)：ISO 3651-1-1998
中文標(biāo)準(zhǔn)名稱(chēng)：不銹鋼耐晶間腐蝕的測(cè)定 第1部分:奧氏體和鐵素體奧氏體(二重)不銹鋼 用失重測(cè)定法在硝酸介質(zhì)中的腐蝕試驗(yàn)(Huey試驗(yàn))
英文標(biāo)準(zhǔn)名稱(chēng)：Determination of resistance to intergranular corrosion of stainless steels - Part 1: Austenitic and ferritic-austenitic (duplex) stainless steels - Corrosion test in nitric acid medium by measurement of loss in mass (Huey test)
標(biāo)準(zhǔn)類(lèi)型：H25
發(fā)布日期：1999/12/31 12:00:00
實(shí)施日期：1999/12/31 12:00:00
中國(guó)標(biāo)準(zhǔn)分類(lèi)號(hào)：H25
國(guó)際標(biāo)準(zhǔn)分類(lèi)號(hào)：77.060
適用范圍：This part of ISO 3651 specifies a method for the determination of the resistance to intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels in a nitric acid medium by measurement of the loss in mass (Huey test). It also specifies the purpose which may be assigned to the test. The method is applicable only to austenitic and ferritic-austenitic (duplex) stainless steels supplied in the form of rolled or forged products, tubes and cast products and intended for use in a strongly oxidizing medium (for example, relatively concentrated nitric acid). In general the Huey test should not be used for grades containing molybdenum unless the material tested is to be used in nitric acid service. NOTE — It is important to note that the result of the corrosion test is only strictly valid for the corrosive medium used in the test. It constitutes a basis for estimating the resistance to intergranular corrosion but may not be used to check resistance to other forms of corrosion (general corrosion, pitting, stress corrosion, etc.). It is necessary for the user to adapt the specified corrosion test to the use which will be made of the alloy. This test should, in no case, be considered as an absolute criterion of the quality of the alloy.