SAF 2205 Duplex corrosion resistant Stainless Steel ( hereinafter referred to as DSS), refers to the ferrite and austenite each account for about 50%, the content of general is a youthful appearance also need to achieve at least 30% of the Stainless Steel.
In the case of low C, Cr content was 18%~28% and Ni content was 3%~10%.Some steel also contain Mo, Cu, Nb, Ti, N and other alloy elements. This kind of steel has the characteristics of austenitic and ferritic stainless steel.
Compared with ferrite, it has higher plasticity, higher toughness, no room temperature brittleness, and the corrosion resistance and welding performance are significantly improved.
SAF2205 Stainless Steel Chemical Composition | |||||||
Chemical Composition | C | Si | Mn | P | S | Cr | Ti |
Standard | ≤0.03 | ≤0.80 | ≤1.20 | ≤0.035 | ≤0.020 | 24.0-26.0 | 0.2+4(C+N)~1.0 |
General | 0.008 | 0.18 | 0.2 | 0.020 | 0.001 | 17.50 | 0.3 |
Distinction | Physical Performance | |||
Ys(Mpa) | Ts(Mpa) | El(%) | Hv | |
Standard | ≥240 | ≥450 | ≥22 | - |
General | 550 | 430 | 32 | 150 |
Physical Performance | ||||
Density(g/cm) | Magnetism | Specific heat | Heat conductivity | Coefficient of thermal expansion |
7.7 | Yes | 460 | 26.4 | 10.5 |
SAF2205 Stainless Steel Characteristics:
1) it has good resistance to corrosion fatigue wear and corrosion resistance
2) containing molybdenum duplex stainless steel under low stress has good resistance to chloride stress corrosion performance
3) containing molybdenum duplex stainless steel has good resistance to pitting corrosion performance
4) comprehensive mechanical performance is good
SAF2205 Stainless Steel Application:
It is used for heat exchangers and coolers and devices in oil refining, fertilizer, papermaking, petroleum and chemical industries.
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