1 Subject content and applicable scope
This standard specifies the test apparatus, solutions, conditions, method, result evaluation and test report of cycle infiltration and corrosion test.
This standard is applicable to the evaluation of atmosphere corrosion resistance of railway weathering-resistant steel and its welding materials.
2 Normative reference
HG3-1291 Chemical reagent - Sodium hydrogen sulfite
3 Test apparatus
FL-65 cycle infiltration and corrosion tester or similar test apparatus meeting the requirements of test conditions in this standard shall be adopted, with the schematic diagram for structure shown in Figure 1.
1 Subject content and applicable scope
2 Normative reference
3 Test apparatus
4 Test solution
5 Test conditions
6 Sample
7 Test method
8 Test duration
9 Result evaluation
10 Test report
Annex A (Informative) Determination of sulphite concentration
Additional explanation:
