Alloy 1.4562 / UNS N08031 / Alloy 31 ASTM B564 UNS N08031 SO Flange
ALLOY 1.4562 / UNS N08031 / ALLOY 31 ASTM B564 UNS N08031 SO Flange
CHEMICAL COMPOSITION
| WEIGHT% | C | SI | MN | S | P | CR | NI | MO | N | CU |
| MIN. | 26,0 | 30,0 | 6,0 | 0,15 | 1,0 | |||||
| MAX. | 0,015 | 0,3 | 2,00 | 0,010 | 0,020 | 28,0 | 32,0 | 7,0 | 0,25 | 1,4 |
PREN = (CR% + 3.3MO% + 16N%) ≥ 48
PRODUCT STANDARDS: ASTM B625 – 14
APPROVALS: FOR USAGE IN PRESSURE VESSELS WITH WALL TEMPERATURES BETWEEN -196°C TO 550°C
APPLICATIONS
Typical applications: Pulp and paper industry, flue gas desulphurization – FGD – systems, sea water heat exchangers, petroleum production and refining industry, mining industry – ore processing…
MECHANICAL PROPERTIES: BAR
| YIELD STRENGTH RP0.2 MPA | TENSILE STRENGTH RM MPA | ELONGATION [%] | HARDNESS [HB] | IMPACT CHARPY-V, -196ºC [J] | PRE |
| ≥ 276 | ≥ 650 | ≥ 40 | ≥ 140 | ≥ 48 |
HEAT TREATMENT
Solution annealing at min 1150°C followed by water quenching.
WELDABILITY
Very good.
ALLOY 1.4562 / UNS N08031 / ALLOY 31 PLATES
| DESCRIPTION | KG/PLATE |
| 3 X 2000 X 8000 MM | 408 |
| 5 X 2000 X 8000 MM | 680 |
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