GB/T 25996-2019 Translated English of Chinese Standard. (GBT 25996-2019, GB/T25996-2019, GBT25996-2019): Test method for thermal insulations on external stress corrosion cracking of austenitic stainless steelhttps://www.chinesestandard.net, 2020 M03 8 - 19 pages This Standard specifies the terms and definitions, instruments and equipment, reagents and materials, preparation of stainless steel specimens, preparation of thermal insulation specimens, test methods, qualification verification of sensitized stainless steel specimens for test, inspection of stainless steel specimens after test, test results, test report of test method for thermal insulations on external stress corrosion cracking of austenitic stainless steel. |
Contents
| 3 | |
Introduction | 5 |
Scope | 6 |
terms and definitions | 7 |
Reagents and materials | 9 |
Preparation of thermal insulation samples | 12 |
Test methods | 14 |
Qualification verification of sensitized stainless steel test specimens for test | 16 |
Inspection of stainless steel specimens after test | 17 |
Test results | 18 |
Common terms and phrases
aerogel austenitic stainless steel belt sander BLOW DRY boiling point temperature Box-type resistance furnace calcium silicate cement sample copper wires corroded by distilled corroded by sodium corrosion cracking test cracking of austenitic crystallizing dish Dana method deionized water show distilled or deionized distilled water drip method external stress corrosion GB/T Instruments and equipment insulation sample show insulations on external megapascals millimeters mineral wool mL/d peristaltic pump power outage Preparation of samples preparation of thermal qualification verification sample show cracks sensitized stainless steel sodium chloride solution solution show cracks specimen after applying specimens for test stainless steel plate stainless steel specimens stainless steel test Standard steel specimens corroded steel test specimens stress corrosion cracking surface test duration test method test of austenitic test results Thermal grease thermal insulation passes thermal insulation sample thermocouple U-shaped stainless steel verification of sensitized water boiling point water or deionized water show cracks wicking-type insulation