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English Translations » 【设备腐蚀】 » Recommended sequence of metal corrosion-resistant materials

Recommended sequence of metal corrosion-resistant materials for metal corrosion and protection

2024-10-13View Original

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The sequence of metal materials based on their corrosion resistance (from lowest to highest) is as follows: (1) For resistance to pitting corrosion, intergranular corrosion, and stress corrosion: a. Austenitic stainless steels: 1Cr18Ni9Ti → 0Cr18Ni9 (304) → 0Cr18Ni11Ti (321) → 00Cr19Ni10 (304L); 0Cr17Ni12Mo2Ti (316) → 00Cr17Ni14Mo2 (316L) → 00Cr19Ni13Mo3 (317L) → 00Cr20Ni25Mo4.5Cu (904L) → 00Cr27Ni31Mo4Cu. b. Ferritic stainless steels: 0Cr13 (410S) → 0Cr13Al (405) → 00Cr12Ti (409L) → 00Cr17 (430LX) → 00Cr18Mo2 → 00Cr26Mo1 → 00Cr30Mo2. c. Duplex stainless steels: 00Cr18Ni5Mo3Si2 (3RE60) → 00Cr22Ni5Mo3N (SAF2205) → 00Cr25Ni7Mo4N (SAF2507). (2) For resistance to high-temperature corrosion: 20# → 12Cr1MoV → 12Cr2Mo1 (2Cr-1Mo) → 1Cr5Mo → 1Cr9Mo → P91 → 0Cr25Ni20. (3) For resistance to stress corrosion: 16MnR → 20R → 07/09Cr2AlMoRE (an economical new steel grade); 00Cr17Ni14Mo2 (316L) → 00Cr19Ni13Mo3 (317L) → 00Cr20Ni25Mo4.5Cu (904L); 00Cr18Ni5Mo3Si2 (3RE60) → 00Cr22Ni5Mo3N (SAF2205) → 00Cr25Ni7Mo4N (SAF2507); 0Cr13 (410S) → 00Cr12Ti (409L) → 00Cr17 (430LX) → 00Cr18Mo2 → 00Cr26Mo1
Reply #22024-10-13
The recommended order of metal materials resistant to corrosion is as follows: 1. Stainless steel materials: - Austenitic stainless steels: 1Cr18Ni9Ti → 0Cr18Ni9 (304) → 0Cr18Ni11Ti (321) → 00Cr19Ni10 (304L) → 0Cr17Ni12Mo2Ti (316) → 00Cr17Ni14Mo2 (316L) → 00Cr19Ni13Mo3 (317L) → 00Cr20Ni25Mo4.5Cu (904L) → 00Cr27Ni31Mo4Cu - Ferritic stainless steels: 0Cr13 (410S) → 0Cr13Al (405) → 00Cr12Ti (409L) → 00Cr17 (430LX) → 00Cr18Mo2 → 00Cr26Mo1 → 00Cr30Mo2 - Duplex stainless steels: 00Cr18Ni5Mo3Si2 (3RE60) → 00Cr22Ni5Mo3N (SAF2205) → 00Cr25Ni7Mo4N (SAF2507) 2. Materials resistant to high-temperature corrosion: - 20# → 12Cr1MoV → 12Cr2Mo1 (2Cr-1Mo) → 1Cr5Mo → 1Cr9Mo → P91 → 0Cr25Ni20 3. Materials resistant to stress corrosion: - 16MnR → 20R → 07/09Cr2AlMoRE (new economical steel grades) - 00Cr17Ni14Mo2 (316L) → 00Cr19Ni13Mo3 (317L) → 00Cr20Ni25Mo4.5Cu (904L) - 00Cr18Ni5Mo3Si2 (3RE60) → 00Cr22Ni5Mo3N (SAF2205) → 00Cr25Ni7Mo4N (SAF2507) - 0Cr13 (410S) → 00Cr12Ti (409L) → 00Cr17 (430LX) → 00Cr18Mo2 → 00Cr26Mo1.
Reply #32024-10-16
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Reply #42024-10-19
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Translated at 2026-07-23 14:36:24

Original: https://bbs.hcbbs.com/thread-5671662-1-1.html

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