Grade 2205 stainless steel exhibits excellent corrosion resistance, much higher than that of grade 316. It resists localized corrosion types like inter-granular, crevice and pitting. The CPT of this type of stainless steel is around 35°C. This grade is resistant to chloride stress corrosion cracking (SCC) at temperatures of 150°C. Grade 2205 stainless steels are apt replacements to austenitic grades, especially in premature failure environments and marine environments.
The high oxidation resistance property of Grade 2205 is marred by its embrittlement above 300°C. This embrittlement can be modified by a full solution annealing treatment. This grade performs well at temperatures below 300°C.
Application areas: oil and gas exploration; processing equipment; transportation, storage and chemical processing; high; chloride and marine environments; paper machines; wine tanks; pulp and pulp digesters.
ASTM / ASME: A240 UNS S32205 / S31803
European standard: 1.4462 X2CrNiMoN 22.5.3
AFNOR: Z3 CrNi 22.05 AZ
DIN: W.Nr 1.4462
Welding characteristics:Has good weldability,Welding should not normally be carried out without filler metal.
Packaging Information:For cold rolled stainless steel,JM steel will do:PVC or interleaving paper to protect surface;then use waterproof paper;steel strip to reinforcement.
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Chemical composition and mechanical properties Of stainless steel 2205：
|Chemical composition of 2205 stainless steel|
|Content||22.0 - 23.0%||4.5 - 6.5%||2.0%||1.0%||0.03%||0.02%||0.03%||0.1 - 0.2%||3.0 - 3.5%|
|Physical properties of 2205 Stainless Steel|
|Grade||Density||Tensile strength||Yield strength||Brinell hardness||Rockwell hardness|
|2205||0.278 lb/in3||≥620MPa||450MPa miles||≤293 HB||≤31 HR|
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