1.4462 SS Duplex Stainless Steel Plate / Sheet With 6mm Thickness
1.4462 SS Duplex stainless steel sheets/plates with 6mm thickness
Application:
Used in oil refining, chemical fertilizer, papermaking, petroleum, OEM and seawater high-temperature concentrated nitric acid and heat exchanger and cold tube machine and device
Chemcial Composition:
| Grade | C max |
Mn max |
Si max |
S max |
P max |
Cr max |
Ni | Mo |
Cu max |
N |
| S32750(2507) 00Cr25Ni7Mo4N |
0.03 | 1.20 | 0.8 | 0.020 | 0.035 | 24.0/26.0 | 6.0/8.0 | 3.0/5.0 | 0.50 | 0.24/0.32 |
| S3180.(2507) 00Cr22Ni5Mo3N |
0.03 | 2.00 | 1.0 | 0.020 | 0.030 | 21.0/23.0 | 4.50/6.50 | 2.50/3.50 | 0.08/0.20 | |
| S31500(3RE60) 00Cr18Ni5Mo3Siz |
0.03 | 1.2/2.00 | 1.4/2.00 | 0.030 | 0.030 | 18.0/19.0 | 4.25/5.25 | 2.50/3.00 | 0.05/0.10 |
Mechanical properties
| parameters Grade |
σb(Mpa) min |
σs(Mpa) min |
δ% min |
Hardness | |
| S32750(2507) 00Cr25Ni7Mo4N |
800 | 550 | 15 | 310 | 32 |
| S3180.(2507) 00Cr22Ni5Mo3N |
620 | 450 | 25 | 290 | 30.5 |
| S31500(3RE60) 00Cr18Ni5Mo3Siz |
630 | 440 | 30 | 290 | 30.5 |
Duplex Heat Resistance
Although 2205 has good high temperature oxidation resistance, this grade - like other duplex stainless steels - suffers from embrittlement if held for even short times at temperatures above 300ºC. If embrittled, this can only be rectified by a full solution annealing treatment. Duplex stainless steels are almost never used above 300ºC.
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