Evaluation of corrosion performance of two Mn-containing stainless steel alloys
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Ihsan-ul-Haq Toor
Abstract
300 series austenitic stainless steels (SSs) are widely used as structural materials in various corrosive environments because of their excellent corrosion resistance and good mechanical properties. However, due to the rapid increase in Ni cost over the last few years, there have been attempts to develop cheap SSs while still maintaining their relatively high corrosion resistance. The possible replacements for Ni (a gamma stabilizer) in SSs are Mn, N and Cu etc. In this paper, the effect of Mn addition on the corrosion properties of two SS alloys, i. e. 202M2 and 202M4, is discussed and results are compared with those of 304 SS alloy. Results of different tests showed that overall corrosion resistance properties (measured in terms of pitting potential (Epit), metastable pitting events density and time to failure etc.) decreased with an increase in Mn content of the alloys.
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Articles in the same Issue
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- Dynamic observation of twin evolution during austenite grain growth in an Fe–C–Mn–Si alloy
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- People
- The German Materials Society congratulates its long-time Managing Director Dr. Peter Paul Schepp on the occasion of his 65th birthday
- Dr. Margarethe Hofmann-Amtenbrink on her 65th birthday
- DGM News
- DGM News
Articles in the same Issue
- Contents
- Contents
- Original Contributions
- Microstructure and residual stresses of laser remelted surfaces of a hot work tool steel
- Dynamic observation of twin evolution during austenite grain growth in an Fe–C–Mn–Si alloy
- Hot ductility behavior of Incoloy901 superalloy in the cast and wrought conditions
- The influence of aluminium intermediate layer in dissimilar friction welds
- Effect of TiO2 in aluminum matrix on workability behavior of powder metallurgy composites during cold upsetting
- Approach to evaluation of the overall strengthening and toughening effect of continuous fiber-reinforced ceramic matrix composites
- The effect of SiC/Al2O3 particles used during FSP on mechanical properties of AZ91 magnesium alloy
- Studies on salt fog corrosion behavior of friction stir welded AA7075–T651 aluminum alloy
- Evaluation of corrosion performance of two Mn-containing stainless steel alloys
- Carbothermal synthesis of β-SiC powders from silicon and SiO2-coated carbon powders
- Synthesis and application of TiO2 nanotubes in environmental pollutant removal
- Mechanical properties of polyvinyl alcohol sponge under different strain rates
- Short Communications
- Effects of Al2O3 phase composition on AlON powder synthesis via aluminothermic reduction and nitridation
- Atomic group rotation mechanism of {1013} twinning in HCP materials
- Self-propagation high-temperature sintering of the Ti–Al–C-diamond/BN system
- People
- The German Materials Society congratulates its long-time Managing Director Dr. Peter Paul Schepp on the occasion of his 65th birthday
- Dr. Margarethe Hofmann-Amtenbrink on her 65th birthday
- DGM News
- DGM News