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| Brand Name : | HT |
| Model Number : | Alloy 31 SO flange |
| Certification : | ISO9001 |
| Price : | USD 100-100/piece |
| Payment Terms : | Western Union, L/C, T/T |
| Supply Ability : | 10000 pcs/quarter |
| Delivery Time : | 30 days |
• Alloy 31 is a nickel, chromium and molybdenum stainless steel
with nitrogen and copper additions. It combines moderate tensile
strength and high ductility with excellent corrosion resistance in
sulfuric acid, reducing and oxidizing media and has strong
resistance to corrosion and erosion corrosion in phosphoric
environment.
• Typically the alloy has PREN of ≥ 48, which ensure that the
resistance to pitting corrosion is high.
| 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 |
Typical applications: Pulp and paper industry, flue gas desulphurization – FGD – systems, sea water heat exchangers, petroleum production and refining industry, mining industry – ore processing…
| YIELD STRENGTH RP0.2 MPA | TENSILE STRENGTH RM MPA | ELONGATION [%] | HARDNESS [HB] | IMPACT CHARPY-V, -196ºC [J] | PRE |
| ≥ 276 | ≥ 650 | ≥ 40 | ≥ 140 | ≥ 48 |
Solution annealing at min 1150°C followed by water quenching.
Very good.
| DESCRIPTION | KG/PLATE |
| 3 X 2000 X 8000 MM | 408 |
| 5 X 2000 X 8000 MM | 680 |
We can provide Alloy 31 material in the form of flange, plates, round bars.

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