According to ASTM A213:
| C |
Cr |
Ni |
Mo |
N |
Others |
| 0.020 |
25 |
7 |
4.0 |
.27 |
S=0.001 |
| PREN = [Cr%] + 3.3 [Mo%] + 16 [N%] ≥ 40 |
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General Properties
Application
Standards
Chemical Composition
Resistance to Corrosion
Physical Properties
Mechanical Properties
Welding
Processing
ASTM A789/A789M
ASTM A 790/A 790M
Duplex Stainless Steel Pipe
Austenitic-Ferritic Stainless Steel Pipe
Super-Duplex Stainless Steels and their characteristics
2507 S32750(1.4410) Duplex Steel
S32205 S31803(1.4462) Duplex Steel
S32304(1.4362) Duplex Steel
Compared with the ferritic stainless steel, duplex stainless steel vulnerable
Compared with the austenitic stainless steel, duplex stainless steel strengths and vulnerable
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